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5.3 RS 232, RS485, RS422 Configuration
It is possible to use PC software Observer II for data logging from multiple VR18 recorders connected on
network RS 485. Total number of devices that can be connected depends on the hardware interface
selected for the application. For example, 247 hardware devices can be configured on RS 485. Maximum
1024 tags can be configured at Observer software for data logging, archiving and analysis. The tags cover
AI, Math, DI, DO, Counter & Totalizer.
1. Make sure that RS 232 port is available at recorder. Normally it will be D9 male.
2. Also make sure that RS 232 port available at PC where observer software is installed.
3. Please refer to 2.5 RS 232/RS 485/ RS 422 wiring in details.
4. Set RS 232 communication settings at the recorder manually. Please refer to 4.4 Instrument and
select RS 232 at PC transfer. Set RS 232 communication details manually at the recorder. Please
note that press Back Key to save the changes at the recorder. Switch off the recorder power supply,
then switch on once again and make sur
the recorder.
5. Connect RS 232 cable between the recorder and PC. Please refer to 2.5 RS-232 wiring details.
6. Select RS 232 in the bank as below through radial button
7. Click on
for RS 232 communication settings.
that RS 232 communication details are properly saved in
e
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