Connecting
6.1 Safety information and guidelines
SIPLUS HCS4200 PROFINET/PROFIBUS DP
70
Operating Instructions, 07/2019, A5E35066204A/006
WARNING
Electric shock hazard
May cause death or serious injury
•
Voltages of more than 60 V can occur in the control cabinet. Suitable safety precautions
preventing contact must therefore be taken during commissioning and maintenance
work.
•
Before working on the heating control system or the connected components, ensure the
system is disconnected.
CAUTION
High levels of leakage current
Risk of injury
Before connecting the device to the supply system, you must connect the grounding circuit
(see Section Connecting the protective conductor (Page 71)).
Connection requirements
●
The device has been mounted.
●
The mains supply is disconnected at the mounting location of the device and secured
against reconnection.
●
The line voltage is secured by an easily accessible isolating mechanism.
It is recommended that the external disconnecting means is located close to the device.
●
The cables to be connected are not live.
Summary of Contents for SIPLUS HCS Series
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