BUS OUT connection
Connec
t the respective fieldbus to the BUS OUT connection.
Table 19: Pin assignment, BUS OUT connection of the fieldbus module
Female connector Pin Signal Meaning
1 TX+ Ethernet
2 RX+ Ethernet
3 TX– Ethernet
4 RX– Ethernet
BUS IN connection
C
onnec
t the respective fieldbus to the BUS IN connection.
Table 20: Pin assignment, BUS IN connection of the fieldbus module
Female connector Pin Signal Meaning
1 TX+ Ethernet
2 RX+ Ethernet
3 TX– Ethernet
4 RX– Ethernet
POWER connection
Connec
t the voltage supply and the sender of the MLG-2 to the POWER connection. If
you are using the switching output, then connect it to the I/O connection of a PLC, for
example. A T-connector is available for the connection (see "T-connector for MLG-2
WebChecker connection", page 45).
Table 21: Pin assignment, POWER connection of the fieldbus module
Male connector Pin Signal Meaning Color
1 L+ 24 V supply voltage Brown
2 Sync_A Synchronization White
3 M GND supply voltage Blue
4 Q1 Output signal switching device Black
5 Sync_B Synchronization Gray
6.2 Sender connections
In the case of the MLG-2, the sender and receiver synchronize with each other electron‐
icall
y. This means that cabling is required between the sender and fieldbus module.
You must connect the Sync_A signal on the sender to Sync_A on the fieldbus module,
and Sync_B on the sender to Sync_B on the fieldbus module. You will find the Sync_A
and Sync_D signals at the POWER connection of the fieldbus module.
Sender connection: M12/5-pin, A-coded
6 ELE
CTRICAL INSTALLATION
44
O P E R A T I N G I N S T R U C T I O N S | MLG-2 WebChecker 8025190/2020-01-13 | SICK
Subject to change without notice
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