1 Scope
This European Standard provides the electrical safety requirements for all devices
connected to HBES/BACS.
This European Standard is applicable to
-
– operator stations and other human system interface devices,
-
– devices for management functions,
-
– control devices, automation stations and application specific controllers,
-
– field devices,
-
– cabling and interconnection of devices.
This European Standard covers the following requirements and compliance criteria:
-
– protection from hazards in the device;
-
– protection from overvoltages on the network;
-
– protection from touch current;
-
– protection from hazards caused by different type of circuits;
-
– protection of the communication wiring from overheating caused by excessive current.