6 Electrical installation
NOTE
Inf
ormation is included in the operating instructions for the components.
6.1 General requirements
Only qualified personnel are allowed to perform the electrical installation work (see
"R
equirements for the qualification of personnel", page 9).
The following measures to prevent common-cause failures must be considered during
electrical installation:
•
Separation of the signal pathways for the safety system signals, e.g., by separated
cable laying
•
Protection against overvoltage, overcurrent, etc. as per the manufacturer instruc‐
tions for the individual components
•
Measures for controlling the consequences of voltage failure, voltage fluctuations,
overcurrent, and undercurrent in the voltage supply of the higher-level control
6.2 Connection and wiring
All of the electrical installation work must be performed in accordance with EN
60204-1 (IE
C 60204-1).
Pre-assembled wiring (X-junction) has been developed for the safety system. If longer
cables are required for an application, the sensor cables should be extended using pre-
assembled extension cables. The maximum lengths must not, however, be exceeded
(see "Technical data", page 78).
6.2.1 Wiring principle
The components must be wired as follows in line with the documentation for the com‐
ponent
s.
6 ELE
CTRICAL INSTALLATION
24
O P E R A T I N G I N S T R U C T I O N S | Safe Linear Positioning 8020941/12O9/2019-08-05 | SICK
Subject to change without notice
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