Connecting Cables For A Hardwired F-System - Siemens SIMATIC HMI Series Operating Instructions Manual

Installing system components
3.6 Connecting the connection box
3.6.5

Connecting cables for a hardwired F-system

The signals for the emergency stop / stop button and the enabling button must be wired for a
hardwired F-system.
NOTICE
Length of the data cables to the connection box
If the permissible length of the data cables and signal cables between a connection box
and the plant is exceeded, malfunctions may occur. Keep the permissible length of ≤ 30 m
for cables between the connection box and the evaluation unit.
Note
If a connection box is to be operated in "E-stop button evaluated by PROFIsafe" mode, the
connection box cannot be wired according to a hardwired F-system.
Requirement
● The connection box standard or advanced is open.
● Read the information on the number of connecting cables required in the section
"Specification of cables to be used (Page 242)".
● The wires of the connection cables have been stripped by 8 mm.
● Matching ferrules when using flexible cables
Procedure
1. Connection boxes standard and advanced:
Thread the cables through the corresponding screw glands.
2. When you use flexible cables, place a wire end ferrule on each wire to be connected.
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Mobile Panels 2nd Generation
Operating Instructions, 09/2018, A5E33876626-AC