Connecting a gsm/gprs modem – SATEC PM130 PLUS Manual User Manual
Page 40
Chapter 2 Installation
Communications
C O N N E C T I O N S
40
PM130 PLUS Powermeter Series
Figure 2-31 COM2 RS-422/485 connection
The RS-232/422-485 module TERMINALS are for use only
with equipment which has no live parts which are
ACCESSIBLE
The RATING of the insulation of the external equipment for
use with The RS-232/422-485 module, shall comply
according to Installation Category II for insulation to be
suitable for SINGLE FAULT CONDITION
The external equipment TERMINAL connection type is
normally terminal block for wire size 14 AWG (up to 1.5
mm²) – RS-422/485 port and DB9 male-to-female cable
more than 22 AWG (0.3mm²)
The type of equipment that might be connected to the
TERMINAL is:
Personal Computer – PC or LAPTOP
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.