6
Electrical installation
6.1
Electrical installation safety information
WARNING
Endangerment of electrical safety during installation and maintenance work when the
power supply is not switched off
b
Before starting the work on the device, ensure the power supply can be switched
off using a power isolating switch/circuit breaker in accordance with DIN EN
61010.
b
Make sure the power isolating switch is easily accessible.
b
An additional disconnecting device is mandatory when the power isolating switch
cannot be accessed or only with difficulty after installation of the device connec‐
tion.
b
The power supply may only be activated again after the end of the work or for test
purposes by personnel carrying out the work under consideration of valid safety
regulations.
WARNING
Endangerment of electrical safety through power cable with incorrect rating
When a removable power cable is used, electrical accidents can occur when the specifi‐
cations are not fully observed.
b
Always observe the exact specifications in the Operating Instructions (Technical
Data Section) when replacing a removable power cable.
DANGER
Danger of electrical accidents
Incorrect performance of electrical work could result in serious electrical accidents.
b
The following tasks must be performed by skilled electricians who are aware of
potential hazards.
CAUTION
Device damage through short circuit on the device
The internal electronics can be damaged when signal connections are established and
the power supply is switched on. This is also valid for plug connections.
b
Disconnect the GM32 Ex and any connected devices from the voltage supply.
WARNING
The Ex certification becomes void when cable inlets and plugs without approval are
used
Cable inlets and plugs are part of the certification.
b
Do not replace cable inlets or plugs with different types.
ELECTRICAL INSTALLATION
6
8015558/YYJ8/V1.7/2016-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
35
Subject to change without notice
