Mounting and connecting the device
3.3 Connecting the device
Comfort Panels
Operating Instructions, 08/2018, A5E36770603-AC
45
If you do not keep to the connection sequence you could damage the HMI device.
It is crucial that you connect the HMI device in the following order:
1. Equipotential bonding
2. Power supply
Perform a power-up test to ensure the power supply is connected with the correct
polarity.
3. Controller
4. Configuration PC if needed
5. I/Os if needed
Disconnect the HMI device by completing the above steps in reverse order.
Observe local installation regulations
Observe the local installation regulations and the local installation conditions, such as
protective wiring for power supply cables, when connecting the cables.
Short-circuit and overload protection
Different measures for short-circuit and overload protection are required when setting up
an entire plant. The type of components and the level of obligation for the protective
measures depends on the regulation that applies to your plant configuration.
● When connecting the cables, make sure that you do not bend the contact pins.
● Secure the cable connectors by fastening the connector to the socket with screws.
● Provide adequate strain relief for all connecting cables.
● The pin assignment of the ports is described in the technical specifications.
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