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7
Electrical installation
7.1
Conditions for specified enclosure rating
To ensure compliance with the IP65 and IP67 enclosure rating of the device during
operation, the following requirements must be met:
•
The cables plugged into the electrical M12 connections must be screwed tight.
•
Any electrical M12 connections that are not being used must be sealed with
protective plugs that are screwed tight (as in the delivery condition).
7.2
Wiring instructions
NOTE
Pre-assembled cables can be found online at:
•
NOTICE
Faults during operation and device or system defects!
Incorrect wiring may result in operational faults and defects.
■
Follow the wiring notes precisely.
Observe the following safety measures:
•
Standard safety requirements must be met when working in electrical systems.
•
Only connect and disconnect electrical connections when there is no power to the
system. Otherwise, the devices may be damaged.
•
Use only shielded cables. The shield has to be connected at both ends of the
cable.
•
Ensure that loose cable ends are isolated.
•
Connect unused pins to GND and leave unused output pins floating.
•
Wire cross-sections of the supply cable from the customer's power system should
be designed and protected in accordance with the applicable standards.
•
Make sure that the Power-I/O cable is protected by a separate slow-blow fuse with
a maximum rating of 2.0 A. This fuse must be located at the start of the supply
circuit. If using CDB650-204, see
see "Connecting a CDB650-204", page 36
,
connection module a 2A fuse is already present. If another connection method is
used, a 2A fuse needs to be added to the installation.
•
The voltage supply must meet the requirements of ES1 and PS2 (EN 62368-1) or
SELV/PELV and LPS.
•
Configure the circuits connected to the device as ES1 circuits or as SELV circuits.
•
Connect the connecting cables in a de-energized state. Switch on the supply
voltage only after complete installation/connection of all connecting cables to the
device and control system.
7
ELECTRICAL INSTALLATION
30
O P E R A T I N G I N S T R U C T I O N S | Ruler3000
8026049//2021-04 | SICK
Subject to change without notice