UniOP
40
Figure 36 - Power supply
All the electronic devices in the control system must be properly grounded.
Grounding must be performed according to applicable regulations.
PLC Port
The PLC Port is used to communicate with the PLC or with another type of
controller; if the panel is configured as an UniNET client, then this port may be used
for the network connection.
Different electrical standards are available for the signals in the PLC port connector:
RS-232, RS-422, RS-485 or Current Loop 20 mA. The cable used selects the
appropriate signals. It is always necessary to use the correct cable type for on the PLC
to be connected.
Note: If the proper cable is not used, communication with the PLC will not be
possible.
The connector is a D-15 pin male. Pin assignment is shown in the table below.
To Next Page