9
UM/SWHM/V3/0115
Fig. 3: Connection diagram for CT Operated Three Phase Prepaid Energy Meter
Wire the Dual Input
The Unit is capable of monitoring electricity consumed from two separate sources. One of these could
be the supply from the electricity authorities while the other could be from the in-house generator. For the
meter to recognize that the supply is from the alternate source, the meter requires a voltage input
between 240 V AC that should go live when the supply is from the alternate source as shown in Fig 2.
Wire the Digital Inputs (Max.4)
Integration of Gas and Water with the electrical parameters thereby, extending the flexibility for the
user to budget expenses. The four digital inputs, any gas and water meter can be configured. It is
important to program the price / Pulse in the corresponding ElNet PPS.
Wire the Communication (RS485)
The Prepaid Energy Meter is equipped with an RS-485 Serial Communication Port or GSM/GPRS and
operates on the
MODBUS-RTU protocol.
Wire the Remote Unit
The Prepaid Energy Meter is equipped with Remote Unit; it has four terminals, two terminals for 5V
supply to Remote Unit and two terminals for RS485 communication to Remote Unit.
2.3.
INSTALLING THE METER
The device should be installed in a place where it will not be at risk of damage or near any
unauthorized current connection. The sealing of the distributor housing is recommended. The
producer is not responsible for any damage caused by improper assembly, service and product
maintenance.
