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Chapter 2 Installation
Communications
C O N N E C T I O N S
PM130 PLUS Powermeter Series
39
Figure
2-31 TOU RTC Battery Replacement
2.6
Communications Connections
Before installing the Communication Module, ensure that all
incoming power sources are shut OFF. Failure to observe this
practice can result in serious or even fatal injury and damage
to equipment.
Several communication options are available for the PM130:
COM1
: RS-485
COM2
:
Ethernet 10/100BaseT
Profibus DP
GPRS
RS-232 or RS-422/485
A connection to the Ethernet connector is made through a cable adaptor
provided with your meter.
A full description of the communication protocols is found in the PM130
protocol guides that come with your meter.