Wiring
3.2 Pin assignment
Analog input module AI 4xU/I/RTD 4xM12 (6ES7144-5KD00-0BA0)
18
Equipment Manual, 08/2021, A5E32350124-AG
NOTICE
Incorrect connection of sensors at channel
If the measurement type current or voltage measurement is configured at the I/O module, a
connected resistance thermometer could be destroyed.
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.
Pin assignment of the sockets for ET-Connection
The table below shows the pin assignments of the 2 sockets for the connection of
ET-Connection.
Table 3- 5
Pin assignment for ET-Connection
Pin
Assignment
Assignment of the
core color of the
bus cable for ET-
Connection
Front view of the sockets
X30 socket
(ET-Connection
IN)
X31 socket
(ET-Connection
OUT)
X30
X31
1
TXP
RXP
yellow
2
RXP
TXP
white
3
RXN
TXN
blue
4
TXN
RXN
orange
Shield Functional earth FE
-
Pin assignment of the connector for infeed of the supply voltage
The table below shows the pin assignment of the connector for infeed of the supply voltage.
Table 3- 6
Pin assignment of the supply voltage connector
Pin
Assignment
Assignment of the
core color of the
power cable
Front view of the
connector
X80 connector (POWER input)
1
Supply voltage 1L+ (non-switched)
brown
2
Ground 2M (switched)
white
3
Ground 1M (non-switched)
blue
4
Load voltage 2L+ (switched)
black
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