
X1
X2
X3
X4 X5 X6 X7 X8
X9 X1
0
X1
1
X1
2
X1
3
Figure 18. Terminal blocks in the terminal compartment
The blue base connection cable is delivered pre-assembled with the power module
PSU-IDM*. The cable consists of a M12 connector plug and a 4-core cable. The
individual cores are numbered (printed on the core insulation) and must be connec-
ted as follows to the intrinsically safe terminals of the power module.
Base connection cable USB
Pinout of connector plug
Pin
Designation
3
D+
2
D-
4
GND
1
+UB
Connection of USB connection cable to power module
Pre-assembled connection coupling
Terminal compartment
Pin
Core
Designation
Number
3
3
D+
X9
2
4
D-
X10
PE
X11
4
2
GND
X12
1
1
+UB
X13
25
C
ommIssIonIng
20
18
-0
6