Mounting and connecting the HMI device
3.3 Connecting the device
Comfort Panels
50 Operating Instructions, 07/2017, A5E36770603-AB
Connecting the power supply connector
Do not tighten the screws of the power supply connector when it is plugged into the HMI
device. The pressure from the screwdriver could damage the HMI device socket.
Connect the power supply cables when the power supply connector is unplugged from the
HMI device.
1. Switch off the power supply.
2. Connect the power supply cables to the power supply connector as shown in the above
figure.
3. Connect the power supply connector to the corresponding socket of the HMI device as
shown in the above figure. Check the correct polarity of the cables using the interface
marking on the back of the HMI device.
Reverse polarity protection
The HMI device is equipped with a reverse polarity protection circuit.
Connecting the uninterruptible power supply
The following figure shows how to connect an uninterruptible power supply (UPS) to the HMI
device with TP1500 Comfort V2 as an example. The uninterruptible power supply is
connected to the connection for the power supply and to a Type A USB port of the HMI
device.
The following uninterruptible power supplies are supported for connection to the USB port of
the HMI device:
SITOP DC UPS modules as of a rated power value of 6 A
Setting the uninterruptible power supply (Page 155)
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