Siemens ET 200pro - Page 402

Analog electronic modules
15.4 4 AI TC High Feature analog electronic module (6ES7144-4PF00-0AB0)
ET 200pro distributed I/O system
402 Operating Instructions, 03/2013, A5E00335544-08
Pin assignment of connection module CM IO 4 x M12
The table below shows the pin assignment of 4 AI TC High Feature for the CM IO 4 x M12
connection module.
View of circular connector
Terminal
Assignment
Terminal
Assignment X1
1 * Pt1000 resistance thermometer
measuring line M+
2
Input signal M
0
+: Connector X1
3 * Pt1000 resistance thermometer
measuring line M-
4
Input signal M
0
-: Connector X1
5 Functional earth (FE)
Terminal
Assignment X2 to X4
1 *
Not assigned
2 Input signal M
1
+: Connector X2
Input signal M
2
+: Connector X3
Input signal M
3
+: Connector X4
3 *
Not assigned
4 Input signal M
1
-: Connector X2
Input signal M
2
-: Connector X3
Input signal M
3
-: Connector X4
5 Functional earth (FE)
① Shielded copper cables or cables made from thermocouple materials
* If the M12 compensation connector is being used, the Pt1000 resistance thermometer is already
integrated. If an external Pt1000 is connected, a resistance thermometer should be used (where
α = 0.003851).