Connecting Digital Inputs/Outputs - Siemens SINUMERIK 840D sl Manual

Note
The fast digital inputs/outputs must be shielded.
7.9.3

Connecting digital inputs/outputs

Cable specification
Table 7-27
Features
Connector type
Connection option
Max. current carrying capacity
Max. cable length
Table 7-28
Connectable
conductor cross-
sections
Stripped length
Tool
Note
To achieve optimum interference suppression, shielded cables must be used to connect
measuring inputs or BEROs.
Wiring digital inputs/outputs
1. Strip 10 mm of insulation from the wires.
2. Wire the digital inputs of the interface for connection of the sensors.
3. Wire the digital outputs of the interface for connection of the actuators.
4. Insert the cable into the corresponding spring-loaded terminal.
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
Cable specification at X122 / X132 / X142
Connectable conductor cross-sections
Rigid
Flexible
Flexible, with end sleeve without plastic sleeve
Flexible, with end sleeve with plastic sleeve
AWG / kcmil
Screwdriver
Version
14-pin spring-loaded terminals
0.2 to 1.5 mm
2
6 A
30 m
Connecting
7.9 Digital inputs/outputs
0.2 to 1.5 mm
2
0.2 to 1.5 mm
2
0.25 to 1.5 mm
2
0.25 to 0.75 mm
2
24 to 16
10 mm
0.4 x 2.0 mm
75