Terminal Block K1 Assignments; Rs232 Interface (Com2) - HBM DWS2103 Kurzanleitung

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5.8 Terminal block K1 assignments

The terminal block K1 has the following signals:
− Supply voltage input
− Supply voltage load cell output
− RS485 4−wire load cell interface
− CAN load cell interface (dependent on load cell) for future applications
Terminal Signal
1.1,1.8 Shielding
2.1,2.8
1.2 Supply voltage
1.3 Supply voltage
1.4 COM1 load cell
1.5 COM1 load cell
1.6 COM1 load cell
1.7 COM1 load cell
2.2 Voltage output
2.3 Voltage output supply
C16i
2.4, 2.5 Voltage output
2.6 COM1 load cell
2.7 COM1 load cell

5.9 RS232 interface (COM2)

COM2 computer interface for connection to a PC via SUB−D 9-pin socket
The SUB-D socket is assigned so that a standard RS232 cable can be used.
1
2 RS232-TX
1
3 RS232-RX
6
4
5 0 V
6
9
5
7
8
HBM
10...30 V
GND
TB (RB)
TA (RA)
RB
RA
10...30 V
10...17 V
GND
CAN_low
CAN_high
DWS2103
Comments
Serial interface
RS485
Only the terminals 1.4
and 1.5 must be used for
RS485 2−wire
Output voltage
= input voltage
With input voltage
> 17 V this output does
not supply voltage
CAN interface
A2936-1.0 en/de