Pepperl+Fuchs KFD Series - 8 Dismounting, Maintenance, and Repair

2018-04
78
HART Multiplexer System KFD*-HM*-16
Dismounting, Maintenance, and Repair
8 Dismounting, Maintenance, and Repair
Disconnecting the Device from the Circuit
1. Disconnect the power supply.
2. Disconnect the connection to the maintenance station or the process control system.
3. Disconnect the connection to the termination board.
4. Disconnect the connection to the other devices of the HART multiplexer system.
5. Disconnect the connection to other participants.
Disconnecting Circuits
1. Disconnect the field circuit.
2. Disconnect the control circuit.
3. Disconnect the power supply.
Danger!
Explosion hazard from live wiring of circuits
If you connect or disconnect energized circuits in a potentially explosive atmosphere,
sparks can ignite the surrounding atmosphere.
Only connect or disconnect energized circuits in the absence of a potentially explosive
atmosphere.
Danger!
Danger to life from using damaged or repaired devices.
Using a defective or repaired device can compromise its function and its electrical safety.
• Do not use a damaged or polluted device.
• The device must not be repaired, changed or manipulated.
• If there is a defect, always replace the device with an original device from Pepperl+Fuchs.