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2.3.5 X520 digital inputs/outputs

Table 2-5 Screw terminal X520

Terminal Designation

Technical specifications





;

1 L1+ See chapter

"Technical specifications"

2 DI/O 0

3 DI/O 1

4 DI/O 2

5 DI/O 3

6 DI/O 4

7 DI/O 5

8 DI/O 6

9 DI/O 7

10 M1 (GND)

Max. connectable cross-section: 1.5 mm

L1+: A 24 V DC power supply for DI/O 0 to 7 (first potential group) must always be connected if at least one DI/O of the potential group is used as output.

M1: A reference ground for DI/O 0 to 7 (first potential group) must always be connected if at least one DI/O of the potential group is used as either input or output.

DI/O: Digital input/output

2.3.6 X521 digital inputs/outputs

Table 2-6 Screw terminal X521

Terminal Designation

Technical specifications





;

1 L2+ See chapter

"Technical specifications"

2 DI/O 8

3 DI/O 9

4 DI/O 10

5 DI/O 11

6 DI/O 12

7 DI/O 13

8 DI/O 14

9 DI/O 15

10 M2 (GND)

Max. connectable cross-section: 1.5 mm

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.

M2: A reference ground for DI/O 8 to 15 (second potential group) must always be connected if at least one DI/O of the potential group is used as either input

Terminal Module TM15

2.3 Description of Ports

TM15 / TM17 High Feature Terminal Modules

Manual, 11/2016 25