Connecting - Siemens SENTRON PAC RS485 Manual

See also
Electrostatic sensitive devices (ESD) (Page 81)
Connecting (Page 23)
Measures to be performed prior to start-up (Page 26)
4.4

Connecting

Tools required
To install the cables and the screw terminals, you will require:
● A cross-tip screwdriver PZ1, 0.5 Nm
If you use cables with wire end ferrules, you also require:
● A crimping tool in accordance with EN 60947-1
Procedure
Connect the PAC RS485 expansion module to the RS 485 bus. Please pay attention to the
general topology of the twisted-pair cable.
PAC RS485
Manual, 02/2008, A5E02091800B-01
NOTICE
Damage due to moisture
Moisture or wetness can affect the operating capability of the PAC RS485 expansion
module. Make sure that no moisture or wetness can find its way into the PAC RS485
expansion module. Clean the PAC RS485 expansion module using a dry, lint-free cloth
only.
Do not operate the PAC RS485 expansion module in an environment affected by high
humidity or wetness. Note the environmental requirements of the SENTRON PAC
Power Monitoring Device.
cal. ISO 6789
Assembling
4.4 Connecting
23