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L1+: A 24 VDC infeed for DI/O 0 to 7 (first voltage group) must always be connected when at least one DI/O of the voltage group is used as an output.

L2+: A 24 VDC infeed for DI/O 8 to 15 (second potential group) must always be connected when at least one DI/O of the potential group is used as an output.

M: Electronic ground for DI/O 0 to 15; if L1+ or L2+ is fed from a power supply other than the power supply connected via X524, the chassis ground of this

power supply (L1+ or L2+) must be connected to one of the M-terminals.

DI/O: Digital input/output

3.3.7 X522 digital inputs/outputs

Table 3-7 Screw terminal X522

Terminal Designation

Technical specifications





;

1 M (GND) See chapter

"Technical specifications"

2 DI/O 10

3 DI/O 11

4 M (GND)

5 DI/O 12

6 DI/O 13

7 M (GND)

8 DI/O 14

9 DI/O 15

10 M (GND)

Max. connectable cross-section: 1.5 mm

M: Electronic ground for DI/O 0 to 15; if L1+ or L2+ is fed from a power supply other than the power supply connected via X524, the chassis ground of this

power supply (L1+ or L2+) must be connected to one of the M-terminals.

DI/O: Digital input/output

Terminal Module TM17 High Feature

3.3 Description of Ports

TM15 / TM17 High Feature Terminal Modules

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