Connection Diagrams
= Fuse 500mA (fast)
Make sure the connection diagrams are followed when installing the meter, do note that the device requires an auxiliary power supply to work!
Measurement input wiring
3P4W（3CT）
3P4W（3PT+3CT）
3P3W（2CT）
3P3W（2PT+2CT）
2P3W（L+L+N, 2CT）
1P2W（L+N，1CT）
1P2W（L+L，1CT）
1P2W（L+N，3CT）
Auxiliary power wiring
AC Power
DC Power
Pulse output wiring
Pulse output terminal wiring
Tariff switch wiring
2-tariff switch terminal wiring
Communication wiring
Single meter wiring
Multiple meters wiring
Cable Specification (Modbus)
Use of a 120Ω bus terminator resistance is advisable, termination to take place at the end of the bus.
Preferably armored twisted pair with drain wire. Section 0,20 … 0,80 mm². Example of cable type: Belden 3107A
Maximum bus length is 100 meters.
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