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Contents

1. Introduction ........................................................4
2. Specifications.....................................................6
3. Front Panel Descriptions..................................8
4. Rear Panel Descriptions................................ 10
5. Installation ........................................................11
6. Calibration ....................................................... 12
7. Set-up ............................................................... 19
8. Interface ........................................................... 36

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1. Introduction

■ Introduction
This product as an indicator for weighing instruction and control is designed for the most
suitable use of any meters (packer, weigh separator, platform scale, various tensile and
compression test equipment) that can be applied in the widest way throughout industries.
This product ensures communications with external devices such as computers as it basically
installs an RS-232C port.
In addition, this product can be conveniently used for the weighing control as it basically has
three relay outputs necessary for control (applicable only if there is relay out).
Please utilize all the functions in this product sufficiently as you can use the device properly
with good knowledge of this manual before you use this product.

■ Features
· Measures to screen off external noises
· Built-in self-diagnosis and self-recovery functions from failure
· External resolution : 1/20,000
· Electrostatic data memory
· 2 built-in external relay input terminals (zero, tare/tare removal)
· Data memory
· 24V of input power supply can be used with the use of DC power supply regardless of
polarity (500mA< Trans Type > or more is recommended)
· FAC (Full Auto Calibration) method for calibration
· Equivalent input method for Calibration
· Basic installation of RS-232C
· Option : RS-422/485
· Option : I/V-OUT

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■ Cautions
· Do not drop or apply severe shocks to the product.
· Do not install the product with high voltage or severe electric noises.
· Do not install the produce with direct sunlight or severe vibrations.
· Connect the product with external peripheral devices after turning off the power switch.
· Keep the product from water or rain.

■ Accessories
· Product manual
· Option (separate option for any addition): 1 EA of adaptor (DC 24V / 500mA)

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2. Specifications
■ Analog Part & A/D Conversion
Input sensitivity 0.3㎶ / D
Adjustment range of Zero - 0.6mV ∼ + 1.5mV

Load Cell Excitation Voltage DC 10V (±5V)

Zero : ±10 PPM / ℃

Temperature Coefficient
SPAN : ±10 PPM / ℃
Input Noise ±0.6㎶ P.P

Input Impedance Over 10㏁

A/D conversion method ∆∑

A/D Internal Resolution 520,000 Count(19bit)

A/D Conversion Rate 200 times / Sec

Non-linearity 0.01% FS

■ Digital Part
7-Segment, 5 digit RED FND
Display
Character size : 12.7(H) ×7.3(W)mm
Division ×1, ×2, ×5, ×10, ×20, ×50
Below Zero Indication “-“ Minus Sign
Decimal Point 0, 0.0, 0.00, 0.000
Status Lamp Stable, Zero, High, Low, OK, Hold, Comm
Function Key ZERO, TARE, SET, ENTER

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■ General Specification
Power DC 24V / About 500mA (Trans Type)
Operating Temperature
-5℃ ~ +40℃
Range
Operating Humidity
Under 85% Rh (Non-condensing)
Range
Product Size (W) 100 X (H) 52 X (D) 125 (mm)

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Product Weight About 450g

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■ Options
Option - 1 RS-422/485

Option – 2 I-OUT (4~20mA)

Option - 3 V-OUT (0~10V)

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3. Front Panel Descriptions

■ DISPLAY (CI-1580A)

■ Display
· Weight: The current weight at the indicator is displayed.
- Whenever the set key is pressed, the value for high limit, low limit or differences is
displayed.

■ Display of Status
· STABLE: It is displayed when the weight is stable.
· ZERO: It is displayed when the weight is “0”.
· LOW: It is displayed when the weight is the low limit or less.
· HIGH: It is displayed when the weight is the high limit or more.
· OK: It is displayed when the weighing is completed.
· HOLD: It is displayed while the weight is being held.
· COMM(RTxD): It is displayed while the product is communicating with other devices.

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■ Key Operations

Key Descriptions
It is used to set the weight display to „0‟ within a range of maximum weight
(CAPA) defined by the user.
(However, it is operated within the input range by the user to „Equipment Set‟ „08‟
(Set for Zero Range).
It is used to set the tare to „0‟ after a container is put on the weighing tray.
(However, it is operated within the input range by the user to „Equipment Set‟ „09‟
(Set for Tare Range)

It is used for the input of low limit (SP1) and high limit (SP2).

It is used to enter the set value.

■ Special Key Operations

Key Descriptions

① It is used to increase the numeric value.

② It is used to finish the setting under the SET, CAL status.

① It is used to move the position of a numeric value.

② It is used to move to TEST MODE under the SET, CAL status.

① It is used to increase the unique number (F XX) in „Equipment Set‟.

② When it is pressed under the „SET, CAL‟ status, it moves to „Equipment Set‟
(SET UP).
① It is used to enter (save) the set value by the user in the „Weight Calibration‟
function.
② When it is pressed under the „SET, CAL‟ status, it moves to „Weight Calibration‟
(Calibration).

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4. Rear Panel Descriptions

- DC IN : As this product uses DC power supply, DC 24V

① POWER
(500mA Trans Type) can be used for this product.

- RS-232C (3P Connecter I/F Communications) (Basic Specifications)

② OPTION - RS-422/485 (4P Connecter I/F Communications) (Separate Option)
- 4~20mA (0~10V) (2P Connecter I/F) (Separate Option)
1 +EXC - Load cell connection terminal
2 -EXC - Load cell connection terminal
3 +SIG - Load cell connection terminal
4 – SIG - Load cell connection terminal
5 SHIELD - Load cell connection terminal
③ EXTERNAL
6 F.G - Grounding
INPUT
7 PWR - DC IN 24V (input regardless of polarity)
8 PWR -
9,10,11 ICOM, IN1~2(INPUT) – Refer to F11 set for F-Function Mode
12,13,14,15 0COM, OUT1~3(OUTPUT) – Refer to F21 set for F-Function
Mode

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5. Installation
■ External Dimension & Panel Cutting Size
(External Dimension X mm)

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6. Calibration
■ What is calibration?
Calibration refers to the adjustment to make the displayed value consistent with the
actual weight on the display of weight.

■ Definition of each mode

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☞ If the power is applied while any key is being pressed on the front, you may enter the test screen
mode.

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- Press Key to return to TEST1 after the sequential increase in TEST1~9.
- Press Key to enter the Test Mode as desired. Please refer to the following
descriptions for each mode.
- Press Key again after setting or confirming each mode to return to TEST1.
(TEST3 is exceptional).
- Press Key to enter ST.CAL.
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TEST 1 Zero weight value (A/D) can be confirmed.

TEST 2 Operations of each key can be confirmed.

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Mode for the span calibration and equipment set under the SET, CAL mode.
TEST 3
☞ Press Key to return to each mode selection from this status.

TEST 4 It is Display Test Mode. Press Key to return to TEST.

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TEST 5 It is Relay Output Test Mode. Press Key to return to TEST.

TEST 6 It is Input Test Mode. Press Key to return to TEST.

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TEST 7 It is to select the analog amplification ratio. Press Key to return to TEST.

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■ Span Calibration
The span calibration refers to the adjustment of linearity to set the actual weight consistent with
the displayed value from “0” to the maximum weight as the standards in displaying the weight on
the indicator.

▶ Enter Span Calibration

- Apply the power supply while is being pressed on the front
- TEST appears on the display.
- Press to display ST.CAL
- Press to display CAL._1 and then enters the general weight mode.

▶ Span Calibration Method

 Use Key for the progressive move
 Use Key for the reverse move

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▶ General Weight Calibration Mode (CAL 1 Mode)

I. Step 1
It is a step to set the value of a division
(minimum division of a scale to be displayed).
In this, it is an abbreviation of division meaning “the
value for a division of a scale (minimum division of a
scale to
be displayed)”.

Whenever Key is pressed,

the value increases in the order of
“01 -> 02 -> 05 -> 10 -> 20 -> 50”.
Whenever Key is pressed, the value decreases in
the reverse order of the above values.
Press Key to escape from ST.CAL.
Press Key to remember “the value for a division” and then
move to the next step.

Ⅱ. Step 2
It is a step to set the maximum display weight
In this, “CAPA” is an abbreviation, which means
the maximum display weight that can be weighted
in the indicator.
Enter the maximum display weight as the user
desire instead of a random value that is currently
displayed.

Whenever Key is pressed, the number increases in

0 -> 9
Whenever Key is pressed, it moves to the left
Press Key to move the setting of a division value
Press Key to store the currently designated value to the
maximum display weight. Move on the next step.

※ Do not set (a value for a division of a scale/maximum display weight) to more than (1/30,000). More than
(1/30,000) cannot be set. The product can be applied to at maximum 1/30,000.

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Ⅲ. Step 3
It is a step to check zero status in the current
indicator.
A random value A/D is shown on the display,
which means zero for calibration.

Key is not used.

Key is not used.
Press Key to move to the setting for the maximum
display weight
Press Key to store the currently displayed
zeroing value. Move on to the next step.

Ⅳ. Step 4
It is a step to load the prepared standard
counterweights on the indicator.
In this, prepare standard counterweights for
10% or more of the maximum weight (CAPA)
Whenever Key is pressed, the number increases in
0 -> 9
Whenever Key is pressed, it moves to the left
Press Key to check zero status and move
Press Key to store the currently displayed value for
counterweights Move on to the next step.
Proceed to Step 5 as it moves onto Step 3 of gage bar.

Ⅴ. Step 5
A span constant is shown on the display
It enters the weight mode as C.EnD. is
blinking and then reset.

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▶ Equivalent Input Mode (CAL 2 Mode)

▶ Enter Span Calibration
- Apply the power supply while is being pressed on the front
- TEST appears on the display.
- Press to display ST.CAL
- Press to display CAL._2 and then enters the general weight mode.

I. Step 1
It is a step to set the value of a division
(minimum division of a scale to be displayed).
In this, it is an abbreviation of division meaning “the
value for a division of a scale (minimum division of a scale to
be displayed)”.

Whenever Key is pressed,

the value increases in the order of
“01 -> 02 -> 05 -> 10 -> 20 -> 50”.
Whenever Key is pressed, the value decreases in
the reverse order of the above values.
Press Key to escape from ST.CAL.
Press Key to remember “the value for a division” and then
move to the next step.

Ⅱ. Step 2
It is a step to set the maximum display weight
written in the load cell
In this, “CAPA” is an abbreviation, which means
the maximum display weight that can be weighted
in the indicator.
Just enter the maximum weight displayed on the load cell
instead of the currently displayed random value.

Whenever Key is pressed, the number increases in

0 -> 9
Whenever Key is pressed, it moves to the left
Press Key to move the setting of a division value
Press Key to store the currently designated value to the
maximum display weight.
Move on the next step.

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Ⅲ. Step 3
It is a step to check zero status in the current
indicator.
A random value A/D is shown on the display,
which means zero for calibration.

Key is not used.

Key is not used.

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Press Key to move to the setting for the maximum
display weight
Press Key to store the currently displayed

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zeroing value.
Move on to the next step.

Ⅳ. Step 4
It is a step to enter mV/V displayed on the loadcell.
Ex) Enter 2.0000 if 2mV/V is displayed on the load cell.
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Whenever Key is pressed, the number increases in
0 -> 9
Whenever Key is pressed, it moves to the left
Press Key to check zero status and move
Press Key to store the currently displayed value for
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counterweights Move on to the next step.

Proceed to Step 5 as it moves onto Step 3 of gage bar.

Ⅴ. Step 5
A span constant is shown on the display
It enters the weight mode as C.EnD. is
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※ While setting the weight of counterweights;

The span can be more accurately adjusted; if (a value for a division) is 1/5,000 or less, prepare counterweights
in 10% or more of the maximum display division and set the value; if it is 1/5,000 or more, prepare
counterweights in 20% or more of the maximum display division and set the value.
- If the weight of counterweights for not less than the maximum display division is set, Error 04 Message is
displayed.
- If the weight of counterweights for 10% or less of the maximum display division is set, Error 05 Message is
displayed.

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■ Error Display Status and Measures in Detail

Seq Division Causes Measures in Detail
The maximum display division / Enter again the maximum display
1 Err 01 the value of a division is 20,000 division / the value of a division to
or more. become 20,000 or less
The setting of standard
Enter again the setting of standard
counterweights is set to more
3 Err 04 counterweights to become less than
than the maximum display
the maximum display division.
division.
The setting of standard
Enter again the setting of standard
counterweights is set to 10% or
4 Err 05 counterweights to become 10% or
less of the maximum display
more of the division.
division.
Check if the weight is loaded as
much as it is set with the standard
The output value for the load cell counterweights. If the standard
5 Err 06
is too large. counterweights greater than the
setting value are loaded, set them to
the setting value.
Check if the weight is loaded as
much as it is set with the standard
The output value for the load cell counterweights. If the standard
6 Err 07
is too small. counterweights smaller than the
setting value are loaded, set them to
the setting value.
Check out the surrounding
environment and separate any
vibrating source for the stable
weighing while preventing the
Calibration judgment cannot be indicator from any great vibration.
7 Err A done due to the continuous - Check out any defect in the load
shaking on the weight. cell
- Check out any electric leak in the
connecting wire to the load cell.
- Check out the insulation resistance
in the load cell.
A value that should not be Check out the value and enter the
8 Err _8
entered to F-Function is entered. proper value again.
When a constant Y.YXXXX YY is
a value between 3.9~9.9 > the Lower the resolving power.
9 Err _9
resolving power is 1/20000 and (Ex: value for a division 1 -> 5)
small counterweights are placed.

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7. Set-up
■ Set-up
- Overview
It means the setting works to ensure the indicator to be operated under the optimal conditions by
setting F-FUNCTION properly to the operating devices and surrounding environment.

- How to enter Set-up

“TEST” is displayed when the power is turned on while any key is being pressed.
At this time, press Key to display ST.CAL on the main display.
At this state, press Key to display 01-XX.

EX) While the power is turned off;

① Press "3" Key and turn on the power for “TEST___”
② Press "3" Key for “SET. CAL”
③ Press “CLEAR” Key for “F01-XX”
“Χ” is a random number.

- How to change the unique number for F-FUNCTION

To change the unique number for F-Function, the unique number increases whenever
Key is pressed once.
It increases to 01-53 and then returns to 01.

Whenever Key is pressed, the number increases in 0 -> 9.

Whenever key is pressed, it moves to the left.
Press Key to call the function after the number is assigned to the
function.
Sequential increase in 01-53 if no number is assigned
Press Key to store the currently displayed value and press once again to move to ST. CAL.

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- How to enter after assigning F-Function

After assigning F-Function using & Key, you may enter the

appropriate F-Function using Key.

1. Whenever Key is pressed, the number increases in 0~9 on the position.

2. Press Key to change the number in 0~9.
3. Press Key again to increase the number in 0~9.
4. Press Key to enter the assigned F-Function.

EX) Assign F53 and then enter it:

1. On the screen for F01-01

2. When the number 1 is blinking, press Key to make the number 3.

3. Press Key to move the number on the position and then the number 0 is blinking.
4. Press Key again to make the number 5.
5. Press Key again to enter the Function immediately.

※ Caution: Be aware that the value for the Function is stored when Key is pressed.

- How to change the setting of F-Function

After entering a value to change the setting of F-Function, press Key to
store it in the internal memory and finish the change.
If Key is not pressed only after the desired value is entered, the value is not
stored.

※ The value can be stored in the internal memory when you press
Key after the value is changed to your desired set value.

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■ F-FUNCTION LIST
Function

default Details Division

01 2 DECIMAL POINT SETTING 0, 0.0, 0.00 ,0.000

02 0 ZERO MEMORY MODE Normal(0), Back-UP(1)
03 5 MOTION BAND RANGE 0~9
04 5 ZERO TRACKING RANGE 0~9
05 0 AUTO ZERO RANGE SETTING 00~99
06 15 DIGITAL FILTER RANGE 01~49
ZERO,TARE KEY OPERATION 0) during the stable period ,
07 0
MODE 1) during the instable period
ZERO KEY OPERATION RANGE
08 3 2%(0),5%(1),10%(2),20%(3),100%(4)
SETTING MODE
TARE KEY OPERATION RANGE
09 3 10%(0),20%(1),50%(2),100%(3)
SETTING MODE
Peak-hold(0),Sample hold(1)
10 0 HOLD FUNCTION SETTING
5 second average hold (2)
11 3 EXTERNAL RELAY INPUT SETTING 0,1,2,3,4
12 0 FRONT KEY OPERATION SETTING 0,1,2,3,4
13 0 CODE NUMBER ASSIGNING 0,1,2
14 0 HOLD OFF TIME 0.0 ~ 9.9 seconds
21 1 WEIGHING MODE SELECTION 1,2,3,4
COMMUNICATION OUTPUT” DELAY
22 10 0.0 ~ 9.9 seconds
TIME(T1) SETTING
DELAY TIME OF RELAY OUTPUT
24 10 0.0 ~ 9.9 seconds
FOR THE WEIGHING JUDGMENT
ON TIME OF RELAY OUTPUT FOR
25 10 0.0 ~ 9.9 seconds
THE WEIGHING JUDGMENT
30 0 SERIAL PARITY BIT SETTING MODE NO(0), ODD(1), EVEN(2)
BAUD RATE FOR SERIAL
31 7 0~9 , 115200 bps ~ 2400 bps
COMMUNICATIONS
32 0 SERIAL COMMUNICATION MODE 0 : Stream Mode, 1: Stable Mode,
0: Unilateral Transmission Mode
1: COMMAND Mode,
33 1 SERIAL COMMUNICATION MODE
2: LCD Mode
4: External Display Mode
34 1 EQUIPMENT ID NUMBER SETTING 1~99
0: BASIC FORMAT,
35 0 TRANSMISSION DATE FORMAT
1: CAS FORMAT
0: BCC not used
36 0 BCC SELECTION MODE
1: BCC used
DATA TRANSFERENCE
37 3 0~6
COUNT SETTING
Weight Unit
40 0 0: kg, 1: g, 2: ton
selection (Communication)

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00~99 0: No operation. 1~99: Under

53 0 AVERAGE DISPLAY SETTING MODE
operations
Steady LED Status Lamp Delay time
54 0 0: No operation, 1: Operation.
setting

Tension and Compression setting 0: No operation. (JP 1 OFF)

55 0
1: Operation. (JP 1 ON)

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※F80~F89 can be entered after FUNCTION is designated.

(Refer to Page 22 How to enter after assigning F-Function

80 10 NEAR ZERO(EMPTY) RANGE SETTING xxxxxx

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81 0 ZERO DISPLAY RANGE SETTING xxxxxx
82 xxxxxx ZERO MINUS VALUE SETTING xxxxxx
83 0 MAXIMUM ANALOG OUTPUT VALUE SETTING xxxxxx
85 xxxxxx INPUT OF EQUIVALENT CIRCUIT VALUE xxxxxx
89 - CHECK FOR CALIBRATION SPAN CONSTANT x. x x x x x
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Input IN1 IN2
Use Zero Tare / Tare Removal
Output OUT1 OUT2 OUT3
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Use SP3(Zero) SP2(High Limit) SP1(Low Limit)

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■ F-FUNCTION DESCRIPTIONS IN DETAIL

(● : Factory Default)
Decimal Point Setting
0 No decimal point 0
F01 1 A place of decimals 0.0
● 2 2 places of decimals 0.00
3 3 places of decimals 0.000

Zero Memory Mode

● 0 Normal Mode
F02
1 Back-up Mode
* The weight on the indicator is not stored in the Normal Mode during any blackout or power-off.
Accordingly, the power should be turned on after the weighing object is removed from the indicator.
* “0” is immediately shown on the display in the Back-up Mode by reading the stored zero point
when the power is turned on. Therefore, the weight is shown during any blackout or power-off if
there is any weighing object on the indicator if the power is turned on.

Motion Band Range Setting

0 A function to set how much the range of variations for
weight per hour is set for the stable status.
F03 5 ∫
0 : With less vibration (weak) ~ 3: With more vibration
9 (strong)

* It is a function to stabilize the state when the range of variations for weight in the set time does not
go over the A/D Count set range.
※ There are subtle vibrations in general when a weighing object is placed on the indicator.
Hence, the state indicator “Stable” is turned on the display once the vibration is stabilized. “Motion
Band” sets the time range to stabilize the vibration in this way.

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Zero Tracking Adjustment Range Setting

0 The automatic zero calibration if it does not exceed a
certain range of divisions within a certain time if there is
F04 5 ∫
any subtle change in the weight for some reason
9 (environment, temperature, wind, dust, etc.)

Ex) F04 is set to “3” when the maximum display division is set to 120.00Kg and a division to 0.05Kg;
If there is weight change within 250g within 0.75 SEC,
4.5digit the indicator automatically displays
t 0.
(0.25Kg)

The changed value is shown if there

0.75 Sec was any greater change than 250g
within 0.75SEC

※ This function prevents the indicator from any impact from the accumulated dusts or dirt where you might have
a lot of dusts or dirt in the environment during the use.

Auto – Zero Range Setting

00
A function to return the display value to “0” immediately
F05 00 ∫ once the weight is displayed and stabilized under the
set value.
99

* The automatic zeroing can be done (before the weighing is done again) if there is any remaining
under the set value with no use of „ZERO‟ Key once this function is set.
* Ex) If the maximum display weight is set to 120.00Kg, a division to 0.02Kg and F05 to 30 in the
indicator, the display value becomes “0.00Kg” as the zeroing is immediately operated once
(STEADY LAMP ON) is carried while the remaining amount exists up to ±(0.02~0.30Kg).

Digital Filter Range

00 Weak More vibration More Sensitive
F06 15 ∫
↕ ↑
49 Strong Less vibration
Less Sensitive

* This function should be used after the adjustment for the set value depending on the environment
(surrounding vibration).
* Decrease the set value for the quicker response speed in the indicator

ZERO, TARE Key Operation Mode

● 0 “ZERO” Key can be operated only if the weight is stabilized.
F07 “ZERO” Key can be operated even if there is any change in the
1
weight.

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ZERO Key Range Setting Mode

0 Operations within 2% of maximum CAPA
1 Operations within 5% of maximum CAPA
F08 2 Operations within 10% of maximum CAPA
● 3 Operations within 20% of maximum CAPA
4 Operations within 100% of maximum CAPA

* As the indicator set 10% more for its allowable range, the maximum weight in reality becomes
110kg on the indicator if the maximum weight is set to 100kg.
Ex) If the maximum weight (CAPA) is set to 100kg and F08 to “T”, then “ZERO” Key can be
operated within 1kg (10%).

Setting Mode for TARE Key Operating Range

0 Operations within 10% of maximum CAPA
1 Operations within 20% of maximum CAPA
F09
2 Operations within 50% of maximum CAPA
● 3 Operations within 100% of maximum CAPA

Ex) “Tare” Key can be operated within 50kg when the maximum weight (CAPA) is set to 100kg and
F09 to “2”.

Hold Function Setting

● 0 Hold (once) to detect the maximum weight (Peak-Hold)
Hold for the currently displayed weight for Hold Key or during the
1
F10 input (Sample – Hold)
5 second average hold for Hold Key or during the input
2
(Average– Hold)

External Relay Input Mode

Division IN1 IN2
0 Start Stop
1 Start/Stop Tare / Tare Removal
F11
2 Zero Tare / Tare Removal
● 3 Hold Hold Removal
4 Tare Tare Removal

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Front Key Operation Setting

Division
Tare/Tare Hold/Hold
0 Zero Set
Removal Removal
F12 1 Zero Hold Set Hold Removal
2 Zero Tare Set Tare Removal
● 3 Zero Start Set Stop
Hold/Hold
4 Zero Start/Stop Set
Removal

Code Number Assigning Mode

● 0 Fix
F13 1 Increase by 1 after 11 rounds of weighing
2 Decrease by 1 after a round of weight

Hold Off Time Setting

00 00~99 0 ~ 9.9 seconds
F14
※ Applicable only for 1, 2 at the setting of F10 (Sample hold, Average hold)

Weighing Mode Selection

● 1 Relay out mode 1 Normal Batching(Limit)
2 Relay out mode 2 Programing Batching(Packer)
F21
3 Relay out mode 3 Comparison mode(Checker 1)
4 Relay out mode 4 Comparison mode (Checker 2)

External Relay Output (for Control)

Relay Output OUT3 OUT2 OUT1
1 Limit SP1 (Low) SP2 (High) SP3 (Zero)
2 Packer SP1 (Low) SP2 (High) SP3 (Zero)
3 Checker 1 (Weight selection) SP1 (Low) SP2 (High) SP3 (Complete)
4 Checker 2 (Judgment Mode) SP1 (Low) SP2 (High) SP3 (Complete)

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1. Weighing Mode 1 : Normal Batching (Limit Mode)

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2. Weighing Mode 2 : Programing Batching (Packer Mode 1)

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3. Weighing Mode 3 : Comparison Mode 1(Checker Mode1 )

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4. Weighing Mode 4 : Comparison Mode 2(Checker Mode 2)

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“Communication Output” delay time(t1) setting

(upon the setting of F21-1, 2 Weighing Mode)

00
F22 10 ∫
99
Delay time to the relay operation after SP2 relay operations can be
set.
* Reference
00 : Relay output during the stable weight
01 : Relay output after 0.1 second
99 : Relay output after 9.9 seconds

Delay Time of Relay Output for the Weighing Judgment

(F21-3 Checker Mode)

01
F24 10 ∫
123
99
The delay time to the operation of relay for judgment after the
completion of weighing can be set.
* Reference
01 : Relay output after 0.1 second.
99 : Relay output after 9.9 seconds

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On Time of Relay Output for the Weighing Judgment

(F21-3 Checker Mode)

m
00
F25 10 ∫
99 123

.co
ON time for relay output for the completion of weighing can be set.
* Reference
01 : Relay ON for 0.1 second
99 : Relay ON for 9.9 seconds
es
uid
-g
all

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※ Communication Setting

Serial Communication Parity Bit Setting mode

● 0 No Parity
F30 1 Odd Parity
2 Even Parity

Serial Communication : Baud Rate Setting

0 115,200 bps
1 76,800 bps
2 57,600 bps
3 38,400 bps
4 28,800 bps
F31
5 19,200 bps
6 14,400 bps
● 7 9,600 bps
8 4,800 bps
9 2,400 bps

Serial Communication Mode (When F33 is set to “0”)

● 0 Stream Mode: Continuous output of weights all the time
F32 Mode during the stable time: Data output at the time of stable
1
weighing

Serial Communication Mode

0 Unilateral Transmission Mode
F33 ● 1 Command Mode
2 LCD Mode
4 External Display Mode

Equipment Number (ID NUMBER) Setting

F34 1 1~99 Number to be set for classification

Transmission Data Format

● 0 BASIC FORMAT
F35
1 CAS FORMAT

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BCC Selection Mode

● 0 BCC not used
F36
1 BCC used

Data Transference count setting

0 About 40 times/sec
1 About 30 times/sec
2 About 20 times/sec
F37 ● 3 About 15 times/sec
4 About 10 times/sec
5 About 5 times/sec
6 About 3 times/sec

Weight Unit selection (Communication)

● 0 kg
F40 1 g
2 ton

Average Display Setting Mode

● 0 No operation.
F53 Operating. (The higher the value, the slower the response time in
1~99
the weight shown on the display)

Steady LED Status Lamp Delay time setting

● 0 No operation.
F54
1~99 Operating. (Delay during 0.1 ~ 9.9sec, and LED lamp will be ON.)

Tension and Compression setting

● 0 No operation. (JP1 switch OFF at main board)
F55 Operating. (JP1 switch ON at main board and then must be re-
1
calibration.)

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NEAR ZERO (EMPTY) RANGE SETTING

Range near zero to check the emptiness of the indicator
Ex) 000 : Near Zero Relay is operated when the display of weight is “0”.
F80 XXX 010 : Near Zero Relay is operated when the display of weight is “10” or less.
150 : Near Zero Relay is operated when the display of weight is “150” or less.

Zero Display Range Setting

A function to set the display range of zero.
F81 XXXXXX Ex) If 50 is set, any value not less than the value is all shown with 0
on the display.

Zero Minus Value Setting

If a value is set to F82, the value minus the value set to zero is displayed.
F82 Ex) if 1000 is set, the zero value displayed in TEST1 Mode, for example, the value of
6000 is shown as 5000 after 1000 is deducted from the value.

Maximum Analog Output Setting

Maximum analog output of 0 ~ 10V, 4 ~ 20mA can be set.
F83
Ex) If 1000 is set, 10V or 20mA output is done when the weight reaches 1000.

Equivalent Input Confirmation and Setting

F85 Equivalent input can be confirmed and modified.

Calibration Span Constant Confirmation

Set the number to 89 using “ZERO” and “TARE” Key in F-Function Mode and press
F89
“SET” Key to show span constant on the display.

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8. Interface
■ RS-232C Interface

No. Name Use

2 RXD RS-232C reception

3 TXD RS-232C transmission

5 GND RS-232C common

1 5
RS-232C Interface is sensitive to electric noises.
Therefore, it should be wired away from AC power cable or other electric wires.
The shielded cable should be used in any case.
Communication mode: It can be set from F-Function(F30~F35).
- Signal Format
①Type : EIA-RS-232C
②Method : Half-Duplex, full-duplex, asynchronous method
③Baud-rate : Optional for 2400,4800,9600, 19200, 38400,
57600,76800,115200
④Data bit : 7 or 8(No, Parity)
⑤Stop bit : 1
⑥Parity bit : Optional for Even, Odd, No, Parity
⑦Code : ASCII

MSB
1 +9V LSB0 1 2 3 4 5
6

0 -9V

Data bit Stop bit

Start bit Parity bit

⑧ Printer Format
Data format1(Basic Format)
, , k g CR LF

Header1 Header2 unit

Data(8)

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- Header 1 (Common for data format 2,3)

OL : OVER LOAD, UNDER LOAD
ST : Stable indicator
US : Unstable indicator
- Header 2 (Common for data format 2,3)
NT : NETWEIGHT (actual weight)
GS : GROSS WEIGHT (gross weight)
- Data about numbers (Common for data format 2,3)
2B(H) : “+” PLUS

m
2D(H) : “-” MINUS
2O(H) : “ ” SPACE
2E(H) : “ ” Decimal point
- UNIT (Common for data format 2,3)

.co
- Kg
-t
-g

Data format(2)

, , , Data(8) K g CR LF
es
Header1 Lamp Status Blank
Header2 Equipment ID unit
uid

- Equipment ID : Set in F34

- Lamp Status: Display of ON/OFF status in the current lamp

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

1 Stable 1 Hold Print Gross Tare Zero
-g

weight

- Connection with PC (Personal Computer) and other devices

all

GND(5 pin) GND (5Pin)

RxD(2 pin) TXD (3Pin)

PC TXD(3 pin) RXD (2Pin)

9 PIN(Base) INDICATOR

37

PERSONAL

COMPUTER
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■ RS-422/485 Serial Communication (Separate Option)

RS-422/485 method is more stable for electric noises than any other communication
methods as it communicate signals in the voltage difference. In addition, the wiring should
be done away from AC power cable or other electric wires. The shield coax cable should be
used in any case. The recommended distance in use is the dedicated line within 1.2km.
- Signal Format
①Type : RS-422/485
②Format : ⓐ Baud-Rate : 2400 ~ 115200 선택
ⓑ Data Bit : 7 or 8 (No Parity)
ⓒ Stop : 1
ⓓ Parity Bit : Even, Odd, No Parity 선택
ⓔ Code : ASCII

1.5V Difference MSB

1 LSB0 1 2 3 4 5
of Potential 6

Data bit Stop 1 bit

- Data Format
The same as RS-232C
- RS-422/485 Circuit (4P Connector)
6 9

Indicator PC

8 TXD(+) RxD( +)

9 TXD(-) RxD(-)

6 RXD(+) TXD( +)

7 RXD(-) TXD(-)

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※ Reference
Although any of the signal level conversion methods as stated above is used, there are

many cases with problems occurring from the fact that the power supply (the grounding line

to be exact) for the transmission side is connected from a remote distance connection
through the communication line. Noises flown in through this grounding line might lead the

transmitting or receiving system to the instability. For such reasons, it is desirable to insulate

and separate the power supply for the system from the power supply for communication
line if it involves a long-distant transmission or it is used under the surrounding environment

with many noises to the communication system.

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▶ COMMAND MODE

( READ COMMAND ) (STX ), (ETX )

Transmit & Command

Display for Transmit & Response
Response description

PC→ (ASCII )

Indicator ( HEX ) Command to transmit

Indicator the Serial Number

(ASCII )

response (HEX )

PC→ (ASCII )

Indicator ( HEX ) Command to transmit

Indicator the Code Number

(ASCII )

response (HEX)

PC→ (ASCII)

Indicator ( HEX ) Command to transmit

Indicator the Part Number

(ASCII)

response ( HEX )

PC→ (ASCII)
Command to transmit
Indicator ( HEX )
the weight value
Indicator (ASCII)
of “KEY Tare”
response ( HEX )

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PC→ (ASCII)

Indicator ( HEX ) Command to transmit

the “Current Weight

(ASCII)
Indicator
Value”
response
( HEX )

STX(1) ID(2) Command(4) Status1(2) Status2(2) Symbol(1)

Remark
Weight (Include decimal point)(7) Unit(2) ETX(1) = Total 22 BYTE

PC→ (ASCII)
Command to transmit
Indicator ( HEX )
the Lowest limit DATA
Indicator (ASCII)

response ( HEX )

PC→ (ASCII)

Indicator ( HEX ) Command to transmit

Indicator the Upper Limit DATA

(ASCII)

response ( HEX )

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▶ COMMAND MODE

( WRITE COMMAND)

(STX ), (ETX ), (ACK ), (NAK )

Transmit & Command

Display for Transmit & Response
Response description

m
PC→ (ASCII)

Indicator ( HEX ) Command to set

.co
Indicator the “Tare”
(ASCII)

response ( HEX )
es
PC→ (ASCII)

Indicator ( HEX ) Command to set

Indicator the “Tare reset”

(ASCII)
uid

response ( HEX )

PC→ (ASCII)

Indicator ( HEX ) Command to set

-g

Indicator (ASCII) the “Zero”

response ( HEX )
all

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PC→ (ASCII)

Indicator ( HEX ) Command to change

Remark STX(1) ID(2) Command(4) S/N(6) ETX(1) the “Serial” memorized

Indicator (ASCII) inside

response ( HEX )

PC→ (ASCII)
Command to change
Indicator ( HEX )
the “Part Number”
Remark STX(1) ID(2) Command(4) P/N(2) ETX(1)
to the DATA that is now
Indicator (ASCII) being transmitted
response ( HEX )

PC→ (ASCII) Command to change

Indicator (HEX ) the “CODE”

Remark STX(1) ID(2) Command(4) C/N(6) ETX(1) to the DATA

that is now being

Indicator (ASCII)
transmitted
response ( HEX )

PC→ (ASCII)

Indicator ( HEX ) Command to set

Indicator (ASCII) the “Hold”

response ( HEX )

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(ASCII)
PC→ Indicator
( HEX ) Command to set

Indicator (ASCII) the “Hold Reset”

response ( HEX )

(ASCII)
PC→ Indicator Command to “Start”
( HEX )
(F21 – 2)
Indicator (ASCII)
(PACK MODE)
response ( HEX )

(ASCII)
PC→ Indicator Comand to “stop”
( HEX )
(F21 – 2)
Indicator (ASCII)
(PACK MODE)
response ( HEX )

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PC→ (ASCII)
Command to
Indicator ( HEX )
change the Lowest
Remark STX(1) ID(2) Command(4) LOW(6) ETX(1)
limit (SP1)
Indicator (ASCII)

response ( HEX )

PC→ (ASCII)
Command to
Indicator ( HEX )
change the upper
Remark STX(1) ID(2) Command(4) HIGH(6) ETX(1)
limit (SP2)
Indicator (ASCII)

response ( HEX )

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■ 4~20mA(0~10V) Serial Interface(Option)

No. Name Use
1 OUT Current or Voltage Output Port

5 COM Common Output port

1 5
- F-83 (Parts related to the analog output)

Set Max. Analog Output Value

Maximum analog output of 0 ~ 10V, 4 ~ 20mA can be set.
F83 Ex) If 1000 is set, the output of 10V or 20mA is done when the weight value reaches
1000.

- While Key Test Mode in TEST2 in relation with the analog setting;

press Key for the output of 4mA(or 0V).

press Key for the output of 12mA(or 5V).

press Key for the output of 20mA(or 10V).

press Key to move to Test. (EXIT)

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MEMO

m
.co
es
uid
-g
all

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MEMO

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MEMO

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MEMO

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