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.