Siemens SIMATIC ET 200AL System Manual page 664

Wiring
3.2 Pin assignment
Table 3- 3
Pin
1
2
3
4
5
Shield
Table 3- 4
Pin
1
2
3
4
5
Shield
Note
Coupler plug for RTD measurement
For RTD measurements, use a coupler plug with gold-plated contacts. Other materials can
create contact resistance that can result in incorrect measured values.
16
Pin assignment for analog inputs (RTD/R 3-wire connection)
Assignment
X10 ... X13 - sockets for analog inputs
(RTD/R 3-wire connection)
Constant current cable Ic
0
Constant current cable Ic
1
Constant current cable Ic
2
Constant current cable Ic
3
Reserved
Measurement cable Ic -, M
0
Measurement cable Ic -, M
1
Measurement cable Ic -, M
2
Measurement cable Ic -, M
3
Measuring input M +: Connector X10
0
Measuring input M +: Connector X11
1
Measuring input M +: Connector X12
2
Measuring input M +: Connector X13
3
Functional earth FE
Functional earth FE
Pin assignment for analog inputs (RTD/R 4-wire connection)
Assignment
X10 ... X13 - sockets for analog inputs
(RTD/R 4-wire connection)
Constant current cable Ic
0
Constant current cable Ic
1
Constant current cable Ic
2
Constant current cable Ic
3
Measuring line M -: Connector X10
0
Measuring line M -: Connector X11
1
Measuring line M -: Connector X12
2
Measuring line M -: Connector X13
3
Constant current cable Ic
0
Constant current cable Ic
1
Constant current cable Ic
2
Constant current cable Ic
3
Measuring input M +: Connector X10
0
Measuring input M +: Connector X11
1
Measuring input M +: Connector X12
2
Measuring input M +: Connector X13
3
Functional earth FE
Functional earth FE
+: Connector X10
+: Connector X11
+: Connector X12
+: Connector X13
-: Connector X10
0
-: Connector X11
1
-: Connector X12
2
-: Connector X13
3
+: Connector X10
+: Connector X11
+: Connector X12
+: Connector X13
-: Connector X10
-: Connector X11
-: Connector X12
-: Connector X13
Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Equipment Manual, 08/2021, A5E48753535-AB
Front view of the sockets
Front view of the sockets