Chapter 2 Installation Communications Connections
PM130 PLUS Powermeter Series_Installation Operation and Manual 50
2.7.5 Connecting a GSM/GPRS modem
A GSM/GPRS modem module can be connected to the meter COM2 port to provide communications with
the remote MODBUS/TCP server via a wireless GPRS network.
• The GSM/GPRS SIM must not have any incoming voice call. The customer must require from the
Service Provider for DATA services only
• The GPRS modem module can be equipped with two different antennas: internal Antenna for
installation into plastic closet or no-metallic environment. For metallic installation use external
antenna
See Setting Up GPRS Network in Chapter 5 for information on configuring GPRS communications in your
meter.
2.7.6 Connecting a WiFi module
A WiFi module can be connected to the meter COM2 port to provide communications with the remote
MODBUS/TCP server via a WiFi
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