Rs485 Serial Communication; Rs232 Serial Communication - LAUMAS W100RIP Manual

Transmitting instrument
(connected to the load cell)
RS485
+ -
Instrument
W100 – W200
WDESK-LIGHT
WDESK L/R – WINOX L/R/2L – WTAB L/R
If the RS485 network exceeds 100 metres in length or baud-rate over 9600 are used, the network
must be terminated at its ends:
- connect a 120 ohm resistor between the "+" and "–" terminals of the line, on the terminal strip of
the instrument;
- close the RS485 termination jumpers on the furthest instrument (if present), otherwise connect a
120 ohm resistor on the terminal strip of the instrument.
Transmitting instrument
(connected to the load cell)
RS232
TX RX
Instrument
W100 – W200
WDESK-LIGHT
WDESK L/R – WINOX L/R/2L – WTAB L/R

RS485 SERIAL COMMUNICATION

0 VDC

RS232 SERIAL COMMUNICATION

0 VDC
- 10 -
Receiving instrument
SUPPLY
12-24 V
+ -
RS485 + RS485 –
18 17
10
6
Receiving instrument
SUPPLY
12-24 V
+ -
RS232 TX RS232 RX
3
7
9 10
RS485
- +
SUPPLY –
2
9 21
5 8
RS232
TX RX
SUPPLY –
4 2
8 21
8