Siemens SIMATIC S7-1200 CP 1243-8 IRC User Manual

Technical data
7.3 Pinout of the Ethernet interface
CP 1243-8 IRC
Operating Instructions, 02/2018, C79000-G8976-C385-03
185
Table 7- 2 Pin assignment of the socket for the external power supply
Pin
Labeling
Function
1
L+
+ 24 VDC
2 M Ground reference for + 24 VDC
3
Ground connector
7.3
Pinout of the Ethernet interface
Pinout of the Ethernet interface
The table below shows the pin assignment of the Ethernet interface. The pin assignment
corresponds to the Ethernet standard 802.3-2005, 100BASE-TX version.
Table 7- 3 Pin assignment of the Ethernet interface
View of the RJ-45 jack
Pin
Signal name
Assignment
1
TD
Transmit data +
2
TD_N
Transmit data -
3
RD
Receive data +
4
GND
Ground
5
GND
Ground
6
RD_N
Receive data -
7
GND
Ground
8
GND
Ground

Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General

Product Type	Communication Processor
Series	SIMATIC S7-1200
Model	CP 1243-8 IRC
Data Transfer Rate	10/100 Mbps
Power Supply	24 V DC
Mounting	DIN rail
Dimensions (W x H x D)	45 mm x 100 mm x 75 mm
Digital Inputs Quantity	0
Digital Outputs Quantity	0
Supported Protocols	ISO-on-TCP
Interface	Ethernet
IP Addressing	Static, DHCP
Configuration	STEP 7 Basic/Professional
Operating Temperature	-20°C to +60°C
Weight	Approx. 200 g