DKM-409 Pro AT User Manual Rev_02 Firmware V-2.5
Before installation:
Read the user manual carefully, determine the correct connection diagram.
Remove all connectors and mounting brackets from the unit, then pass the unit through the mounting
opening.
Put mounting brackets and tighten. Do not tighten too much, this can damage the enclosure.
Make electrical connections with plugs removed from sockets, then place plugs to their sockets.
Be sure that adequate cooling is provided.
Be sure that the temperature of the environment will not exceed the maximum operating temperature in
any case.
Be sure that the unit is not subject to water spill.
Below conditions may damage the device:
Incorrect connections.
Incorrect power supply voltage.
Voltage at measuring terminals beyond specified range.
Voltage applied to digital inputs over specified range.
Current at measuring terminals beyond specified range.
Overload or short circuit at relay outputs
Connecting or removing data terminals when the unit is powered-up.
High voltage applied to communication ports.
Ground potential differences at non-isolated communication ports.
Excessive vibration, direct installation on vibrating parts.
Below conditions may cause abnormal operation:
Power supply voltage below minimum acceptable level.
Power supply frequency out of specified limits
Phase order of voltage inputs not correct.
Current transformers not matching related phases.
Current transformer polarity incorrect.
1. INSTALLATION INSTRUCTIONS
Current Transformers must be used for current measurement.
No direct connection allowed
.
Содержание DKM-409 PRO AT
Страница 20: ...DKM 409 Pro AT User Manual Rev_02 Firmware V 2 5 4 2 3 PHASE 4 WIRE STAR 4 3 3 PHASE 3 WIRE DELTA ...
Страница 21: ...DKM 409 Pro AT User Manual Rev_02 Firmware V 2 5 4 4 3 PHASE 4 WIRE DELTA 4 5 3 PHASE 3 WIRE DELTA 2 CT L1 L2 ...
Страница 23: ...DKM 409 Pro AT User Manual Rev_02 Firmware V 2 5 4 8 1 PHASE 2 WIRE ...
Страница 24: ...DKM 409 Pro AT User Manual Rev_02 Firmware V 2 5 5 CONNECTION DIAGRAM ...