Measures To Be Performed Prior To Start-Up - Siemens SENTRON PAC RS485 Manual

Assembling

4.5 Measures to be performed prior to start-up

4.5 Measures to be performed prior to start-up
CAUTION
Never start up damaged modules
Damaged components can impair and endanger operation. Never use damaged
components.
NOTICE
Condensation
Store the device in the service room for at least two hours before applying voltage to the
device for the first time. This will equalize the temperature and prevent the formation of
condensation.
Checks
Once you have correctly installed the PAC RS485 expansion module, you should carry out
the following checks:
1. Check that the PAC RS485 expansion module is connected to the SENTRON PAC
2. Check that the cables are correctly connected and screwed to the terminal block.
3. Check that the RS 485 bus is correctly grounded and shielded.
4. Check that the ventilation slots are not covered.
5. Check that the relevant terminating resistors have been switched.
See also
Assembly (Page 21)
Connecting (Page 23)
26
Power Monitoring Device correctly.
PAC RS485
Manual, 02/2008, A5E02091800B-01