OPERATING INSTRUCTIONS HUMIDITY

TERMINAL CONNECTIONS PROGRAMMING SCHEME

XT543-N
XT543-N / 243 / 343 95%RH.
NE
W CONFIGURATION SCHEME :
WEIGHT 1) At power OFF, short terminals for configuration*.
2) Turn power ON.
XT543-N: 160gm, XT243: 285gm, XT343: 300gm 3) Program configuration setting as per instructions below.
NOTE : LSD dp blinks during programming.
PRODUCT CODE *For XT543-N short terminals 8 & 10
for XT243 short terminals 5 & 6
MODELS BEZEL SIZE(mm) for XT343 short terminals 7 & 8
XT 543-N 48 x 48 to enter into the configuration mode.
XT 243 72 x 72
XT 343 96 x 96 1. TO SELECT RANGE Default Setting : 9.99sec
XT243
Short for config
KEY PRESS DISPLAY DESCRIPTION
1 2 3 4 5 6
SPECIFICATIONS OVERALL DIMENSIONS (All dimensions in mm)
RANGE 9.99sec
START COM RST
DISPLAY Panel Cutout 13 L (+) 15
3 digit, height 0.5". PRESS + 99.9sec
SET POINTS 14 N (-) 16
Single set point. PRESS + 999sec
A D F
DELAY MODES 7 8 9 10 11 12
On delay, Interval, Cyclic on first & PRESS + 9:59 min:sec
NO1 COM1 NC1 NO2 COM2 NC2 (MSD dp blinks when
Cyclic off first (Configurable by keys). the timing is in progress.)
SUPPLY VOLTAGE B C G RELAY1 RELAY2
90 to 270 VAC/DC @ 50 or 60Hz. E PRESS + 99.9min
DIM
XT343
TIME RANGES MODELS A B C D E F G Short for config
PRESS + 999min
9.99, 99.9, 999 sec, 9:59 min:sec, XT543-N 48 48 100 45 7 46 46
1 2 3 4 5 6 7 8 9
99.9, 999 min, 9:59 hr:min, 99.9, 999 hr. XT243 72 72 115 68 10 69 69 PRESS + 9:59 hr:min
START COM RST GND CONFIG (MSD dp blinks when
(Configurable by keys). XT343 96 96 70 90 10 92 92 the timing is in progress.)
TIME SETTING
N L PRESS + 99.9hr
By key pad.
ACCURACY 10 11 12 13 14 15 16 17 18
999hr
PRESS +
0.5% or 50msec.whichever is greater. OPERATING MODES NO1 COM1 NC1 NO2 COM2 NC2
START INPUT
Gate / Pulse (Programmable) On delay - Pulse start On delay - Gate start RELAY1 RELAY2 2. PRESS KEY TO SELECT DELAY MODE
RESET INPUT Supply Supply Default Setting : On Delay
1) Front panel reset th TERMINAL TERMINALS FOR
(for On delay / Interval only). Start contact
Gate contact
DESCRIPTION KEY PRESS DISPLAY DESCRIPTION
t t NO
t1 t2 XT543-N XT243 XT343
2) Remote reset. NO Contact
Contact
t = set delay time t = delay time = t1 + t2, th = hold time L (Live) 6 15 18 DELAY MODE ON DELAY
3) On power interruption.
Interval - Pulse start Interval - Gate start N (Neutral)
RESET TIME 7 16 17 PRESS + INTERVAL DELAY
Less than 100 msec. Supply Supply
COUNTING DIRECTION th
Short to enter
Start contact Start contact 8 - 10 5-6 7-8 PRESS + CYCLIC (ON FIRST)
Down. configuration
NO
t t NO
t1 t2
LED INDICATION Contact Contact COM of relay 1 PRESS + CYCLIC (OFF FIRST)
t = set delay time t1 + t2 = t = set delay time 4 8 11
Relay status.
OUTPUT Cyclic (On time first) Cyclic (Off time first) NO of relay 1 3 7 10
2 C/O. Supply Supply 3. PRESS KEY TO ENABLE / DISABLE FRONT
NC of relay 1 5 9 12 PANEL RESET OPTION Default Setting : Enabled.
RELAY RATING Start contact Start contact
t1 t2 t1 t2 t1 t2
5A@230VAC / 24VDC. NO NO COM of relay 2 1 11 14 Note: Valid only for On delay / Interval mode.
Contact Contact
MOUNTING KEY PRESS DISPLAY DESCRIPTION
Panel mounting.
t1 = On time, t2 = Off time t1 = On time, t2 = Off time NO of relay 2 11 10 13
CONFIGURATION LOCK Continuous start and reset - On Delay Pulse start and reset - On delay
Supply Supply NC of relay 2 2 12 15 FRONT PANEL
via rear terminals. ENABLED (YES)
Start RESET
HOUSING Start START input 12 - 10 1 1
ABS. Reset Reset
t t PRESS + DISABLED (NO)
t t t RESET input 9 - 10 3 3
TEMPERATURE O . On delay On Delay
O
Operating: 0 to 50 C. Storage: -5 to 55 C NO Contact t = set delay time
NO Contact
t = set delay time
COM (Gnd) 10 2 2
Document name: Operating / 0606 / XT543-N/243/343 / ver3 OP-107-V03 Page 1 of 2
 LOAD CONNECTIONS 2. ON Delay with Gate start Input:
4. PRESS KEY TO SELECT START INPUT
Default Setting : Pulse Start. L N
i. Terminal connections shall be as per fig. 2.
KEY PRESS DISPLAY DESCRIPTION T ii.Timing starts at power ON.
T iii. When the start switch is closed, the timing is
START INPUT GATE START LOAD
C NO held and it proceeds only after the start switch
PRESS + PULSE START R C is released.

Pulse start: In Pulse start mode, the timing starts MOV

Snubber XT543-N in ON Delay mode and Gate start input:
on momentary closure of the Start switch. Fig.2 Terminal Connections
Gate start: In Gate start mode, when the Start 1) Snubber Part No.: APRC - 01.
switch is closed, the timing stops and proceeds 2) MOV Part No.: AP-MOV - 03.
only after the start switch is released. Note: For inductive loads, use of snubber and MOV,
as shown above, is recommended.
5. PRESS KEY TO RESET ALL PARAMETERS
TO DEFAULT VALUE USER GUIDE
Note: Reset all function is used only to set all parameter Typical applications of Pulse start & Gate start input:
values back to default.
KEY PRESS DISPLAY DESCRIPTION 1. ON Delay with Pulse start input:
i. Terminal connections shall be as per fig. 1
RESET ALL NO ACTION ii. Timing starts on momentary closure of Start
switch.
PRESS + NO ACTION
iii. If Start switch is kept closed continuously, the
PRESS + NO ACTION timing will start at every power ON or reset.

PRESS + NO ACTION XT543-N in ON Delay mode and Pulse start input:

Fig.1 Terminal Connections Function: On delay - Gate start
PRESS + NO ACTION
Supply
PRESS + NO ACTION
Gate contact
t1 th t2
PRESS RESET ALL NO
Contact
AFTER CONFIGURATION SETTING : t=delay time = t1+t2, th= hold time
1) Turn power OFF.
2) Remove link between the terminals.
3) Turn power ON.

TO PROGRAM SET TIME :

FOR ON DELAY / INTERVAL MODE :

Press + / to program set time.
For Cyclic mode :
ON time - Press + / to program on time

OFF time - To enter programming of off time

press + for 3sec. When in Off Function: On delay - Pulse start
time programming, the LSD dp blinks Supply
Then press + / to set off time.
Start contact
To Exit programming press + for 3sec or NO
t t
auto program out after 60sec if no key is pressed. Contact
t = set delay time
TO RESET : (Specifications subject to change as development is a
continuous process).
For On delay / Interval mode : Press + for selectron Process Controls Pvt.Ltd.,
0.6sec to reset. E-121, Ansa Ind. Estate, Saki Vihar Rd, Andheri (E)
Mumbai - 400 072. India,
For Cyclic mode : Front reset not valid. Website: www.selecindia.com. E- mail: sales@selecindia.com.
Reset only through pulse given
Document name: Operating / 0606 / XT543-N/243/343 / ver3 OP-107-V03 Page 2 of 2
From rear terminals.