6.4.1
Functional earth connection
Figure 3: Alternative FE connection
The functional earth (FE) is connected either via the housing/mounting rail or via an FE
connection with cable lug.
Alternative FE connection
Screw connection of the alternative functional earth connection
•
Screw: M4 x 15
Suitable cable lugs
•
Forked cable lug or ring cable lug
•
Width ≤ 10 mm
•
Hole diameter for screw: typically 4.1 mm
The functional earth must be connected in a low-inductance manner and with an
adequate cross-section while keeping the cable length as short as possible.
6.5
Pin allocation of the connections
6.5.1
POWER
1
4
3
2
Table 2: POWER pin assignment, M12 – 4-pin T-coded, male
Pin
Signal
Function
1
24 V IN1
IN1 supply voltage (except CAN)
2
GND IN2
Ground
3
GND IN1
Ground
4
24 V IN2
IN2 supply voltage (CAN)
Housing
-
Screen
Additional notes:
•
Max. 7.5 A (IN1), max. 4 A (IN2)
•
Observe the requirements for the design of overcurrent protective devices accord‐
ing to EN 61010.
6.5.2
SERIAL
Serial connections, can also be used as an incremental connection.
1
7
2
6
3
4
5
8
ELECTRICAL INSTALLATION
6
8023514/1CC6/2021-07-28 | SICK
O P E R A T I N G I N S T R U C T I O N S | SIM1012
17
Subject to change without notice
