Reverse polarity protection
The plug-in terminal block for connector X80 is designed so that it can only be plugged in in
one position. This provides constructional reverse polarity protection.
The connector X80 also has electronic reverse polarity protection.
You will find further data on the power supply in section Technical specifications (Page 109).
2.3
Connector for the BusAdapter
Operation of the device only with BusAdapter
For connecting to Ethernet the CP requires a BusAdapter. A BusAdapter does not ship with
the CP.
The slot is on the front of the device:
Figure 2-2
You will find the bus adapters supported by the CP in section BusAdapter (Page 117).
For information on installing and connecting up, refer to the sections Installing the CP
(Page 32) and Connecting the CP (Page 36).
You will find the pinout of the Ethernet interface in section Assignment of the Ethernet
interface of the bus adapter (Page 118). You will find further technical specifications of the
bus adapter in the manual /2/ (Page 119).
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03
Front of the CP, the slot for the bus adapter is marked gray.
LEDs and connectors
2.3 Connector for the BusAdapter
27