PR 1730

Multi-Point Weighing
global weighing technologies
and Batching Controller
■ Control of weighing or batching
processes at up to ten weigh-
ing points
■ Process control for 30/60 internal
dig. 1/O and via Interbus-S up to
500 dig. 1/0s
■ Weight data handling from
external devices
■ Complete I/O programmable
control, according to the
IEC 61131 standard
■ Dialogue oriental operation via
PC or programmable terminal
interface
■ Digital I/O control via Profibus DP
Master Card

Profile Housing
The modular design of the PR 1730 saves costs and time for setting up confi- The multipoint weighing and batching
Hardware and Software functions will gurations and systems interfacing controller PR 1730 is contained in a 19“
make it easier for the instrument to be metal housing. The frontplate meets the
With up to four weighing points, two
applied to different applications required IP 65 standard (dust and splash resi-
megabytes of programmable on board
by the customers. This design philosophy stance). The unit maybe panel mounted
memory, and up to 500 digital I/O’s, the
removes unnecessary functions but still or installed in 19“ racks and cabinets,
PR 1730 is ideally suited for costumisati-
enables upgrading the device when with the option of telescopic mounts.
on of complex weighing and batching
demands on the system increase. Telescopic mounts provide the advantage
processes.
of not having to disconnect the unit
The PR 1730, multipoint weighing and
Twin front panel weighing displays show from the system when carrying out
batching controller may be applied to a
any of the weighing points independent- servicing & maintenance or device upg-
wide spectrum of applications like weig-
ly of one another for both gross, net, rading.
hing and batching in industrial processes.
tare or differential weights.
Performance of the PR 1730 is determi-
The weight displays includes status indi-
ned by the specification request on the
cation for standstill, tared 1/4 d range
system. The advantages offered by the
and weight mode. The actual weighing
complete solution from a single unit
point is indicated by a weighing point
LED.
 Serial Ports Analog Ports
Standard: Combinational options:
PR 1601 TTY Current loop
PR 1602 RS 232 serial port PR 1605 Paralell printer port
PR 1603 RS232 + TTY PR 1606 Single analog output
PR 1604 RS422 / RS 485 PR 1607 Four analog inputs
PR 1608 BCD port

Options: Memory: Options:

PR 1730/12 digital I/O card 1/2 MB RAM PR 1730/10 weighing
PR 1730/13 Interbus-S card 1/2 MB ROM point A maximum of 4
PR 1730/14 Ethernet card Upgradable Options: internal weighing points
PR 1730/16 Profibus DB Master Card 2 MB RAM may be connected
2 MB ROM

Diagramm of PR 1730 – HW-Options

Interface-Cards: OPERATION any other type of mV source with linear

On the motherboard of PR 1730 are Setup: output.
socket connectors for the following pro- In different setup-menues Configuration Load cell supply
cess interface cards: and Calibration of PR 1730 can be car- Supply voltage: 12 or 20 VDC selectable
– A maximum of five digital l/O cards, ried out via a VT 100 terminal. Beside (short circuit proof). External loadcell
each card has 12 dig. output and 6 calibration parameters of the four weig- supply possible.
dig. input connections. hing points (A-D), all configuration para- Maximum load
meters e.g. type of an interface card or
– A maximum of four analog cards as 6 load cells 600 Ω, each connected in
the baud rate of the communication, can
parallel printer analog input/output parallel (100 Ω) or 4 loadcells 350 Ω,
be defined. Special user menus will help
and BCD-output. each connected in parallel (87.5 Ω).
the operator to initialize the device.
– Four serial port sockets maybe confi- Measuring range
gured with a combination of either Batching:
Total range: 36 mV
current loop, RS 232, RS 422 or For batching applications a Recipe-
RS 485. Management systems, PR 1740 is availa- Minimum span: 2.4 mV
Basis device units are supplied with a ble. It runs on a PC and enables the ope- Dead load range: 0 mV ... 33.6 mV
single serial port like RS 232 to connect rator to develop recipes and to control Measuring voltage input impedance:
to a PC. One connector (SLOT 8) is availa- productions. A production can be exe- >10 MΩ
ble for an Interbus-S master card cuted up to 10 weighing points with Span and dead load adjustment: via soft-
(PR 1730/13) controlling up to 500 simultaneous parallel operations of sub- ware during calibration
digital l/O’s or a Profibus DP Master Card recipes corresponding to the weighing
Analog filter
(PR 1730/16). Another connector points.
Active low pass filters
(SLOT 9) may be used for an Ethernet Weighing:
(Butterworth, 2-pole)
Interface card (PR 1730/14). For weighing applications like weighbrid-
Cut-off frequency
Four (internal) weighing point modules, ges, PROLOC-programmes (PROcess-
fc1 = 2 Hz or fc2 = 9.3 Hz
PR I 730/10 for measuring weighing LOgic-Control) are available. For new
data, can be adapted. Instead of only applications the control and weighing Measuring principle
internal weighing point modules, PR algorithms plus the user interface soft- A/D conversion: integrating, ratiometri-
1730 can operate with a combination of ware can be developed in PROLOC con- cally to the load cell voltage supply Con-
internal weighing points and up to 6 forming to IEC I 131. The user interface version time: 50 ms
external weighing devices like PR 1720 hardware may be a VT 500 terminal or Update time: 0.1 s to approx 2 s, adjusta-
via Interbus-S. PR 1628 with PR 1629. ble at intervals of 0.1 s depending on
Memory: desired settling rate internal resolution:
Currently, the standard memory supplied TECHNICAL DATA 0.16 µV/count
on the motherboard is Accurasy Temperature effects
2 MB for RAM and ROM. Zero = <0.1 mV/K RTI
Approval 5000d OIML R76. Complies to
local weights and measures standards. Span <0.006 %/10K (6 ppm/K)

Load cell types Linearity

All standard strain gauge load cells or <0.007 %

Multi-Point Weighing and Batching Controller

VALVES

Big
Bag
Stirrer Heater

Weighbridge Big Bag Filling

Batching

256 I/O via 30/60 4 weighing

Interbus-S I/O’s points

PR 1627 Display
External weighing PR1628 Terminal
point with PR 1629

Video Console
Printer
PR 1740

PR 1730 application possibilities

Weight display Analog I /O Mains supply

Type: vacuum fluorescent Per card 115 VAC, 230 VAC +10/-15 %
Elements: 7 digits (7 segments) plus Analog input (PR 1607) 48..62 Hz. (Jumper selectable)
dimension sign and status indicators Input voltage: 0…+10 V 24 VDC (18...36 VDC)
Height: digits and dimension signs Input resistance: 100 kΩ 24 VAC (-15 %/+10 %)
12.5 mm Input current: 0… 20 mA
Colour: bright green Input resistance: 250 Ω Power consumption
Weigh point indicator: LEDs Number of inputs: 4 Max 90 VA, 66 W
Digital section
Analog output (PR 1606) Backup battery
Memory capacity
Output voltage: 0/2…+10 V 3 V Lithium 1.2 Ah
EPROM: I/2 MB (Expandable up to 2 MB)
Resistance load: >5 kΩ (average duration 5 years)
SRAM: I/2 MB (Expandable up to 2 MB)
Output current: 0/4… 20 mA
Serial interfaces Resistance load: <500 Ω Temperature range
(any combination up to 4 cards) Number of outputs: 1 voltage & Storage and transport: –40...+70 °C
Bidirectional current loop (PR 1601) 1 current Operation (W&M applications):
Current level: 0/20 mA, active or passive, Resolution: 12 bit –10...+40 °C
optocoupler isolated Industrial operational applications:
Baud rates: 300 to 4800 Bd Digital l/O Control Ports – 0...+55 °C
Bidirectional RS 232 interface Per digital card
(PR I602) Logical inputs: Device protection classes
Baud rates 300 to 19200 Bd 6 potential free opto-isolated inputs Front panel: IP 65
Bidirectional RS 232 + TTY current loop Input voltage: Main housing: IP 20 (ventilation slots
interface (PR 1603) ’0’, low logic level 0 .. 5 VDC < 4 mm)
Bidirectional RS 422/485 interface ’I’, high logic level 10 .. 3I VDC
(PR 1604) Input current: <11 mA at 24 VDC Carriage weights
Baud rates 300 to 19200 BD Logical outputs: Net weight: 8.75 Kg (max)
Interbus-S (PR 1730/13) with 12 potential free opto-isolated outputs Shipping weight: 11.25 Kg (max)
max. 500 digital l/O’s (passive)
maximum voltage 31 VDC
maximum current 25 mA
 Pin No. I/0 Signal Function Pin No. I/0 Signal Function Pin No. I/0 Signal Function
1 signal GND (HOUSING)
A C
B D

A 2 + output A 8 + output C 14 + input

Coarse Standstill Stop-WP
B 20 – output B 26 – output D 32 – input
A 3 + output A 9 + output C 15 + input
Fine Device tared Abort-WP
B 21 – output B 27 – output D 33 – input
A 4 + output A 10 + output C 16 + input
Discharge free Continue-WP
B 22 – output B 28 – output D 34 – input
A 5 + output A 11 + output C 17 + input
Tol-Alarm free Stop-Recipe
B 23 – output B 29 – output D 35 – input
A 6 + output A 12 + output C 18 + input
Flow-Alarm free Abort-Resipe
B 24 – output B 30 – output D 36 – input
A 7 + output A 13 + output C 19 + input Continue
WP-Stop free
B 25 – output B 31 – output D 37 – input Recipe

Digital I/O connector 37 pole

Type number Order number
HARDWARE
OPTIONS
Current loop TTY
PR 1601/00 9405 316 01001
RS 232 (V 24)
PR 1602/00 9405 316 02001
RS 232 + TTY
PR 1603/00 9405 316 03001
RS 422/485
PR 1604/00 9405 316 04001
Parallel printer interface
PR 1605/00 9405 316 05001
Analogue output
PR 1606/00 9405 316 06001
Analogue Input
PR 1607/00 9405 316 07001
BCD output
PR 1608/00 9405 316 08001
Weighingpoint module
PR 1730/10 940S 317 30101
Digital 1/0-Card
PR 1730/12 9405 317 30121
Interbus-S
PR 1730/13 9405 317 30131
Ethernet
PR 1730/14 9405 317 30141
Profibus DP Master
PR 1730/16 9405 317 30161 Standard Connection of a digital
Input/Output card PR 1730/12 together
with PR 1730/20.
The l/O-parameter are related to one
Printed in Germany, 9498 717 30001, 01.2002

Autoryzowany przedstawiciel GWT GLOBAL Weighing Technology

weighing point.
P.H.U. WEGA Andrzej Zubka I/O card 5 = > WP A
80-299 Gdansk Osowa I/O card 6 = > WP B
ul. Kasjopei 30A l/O card 7 = > WP C
l/O card 8 = > WP D
Dzial handlowy
Tel. (058) 554-52-29
Fax. (058) 522-90-05 GWT Global Weighing Technologies GmbH
e-mail: wega@gd.onet.pl Meiendorfer Straße 205
http://www.phu-wega.pl D-22145 Hamburg, Germany