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5: Communicating with the Meter
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
5.1.2.1: Using the Unicom 2500
The Unicom 2500 provides RS485/RS232 and Fiber Optic/RS232 conversion. In doing
so it allows an MP200 unit with RS485 communication to communicate with a PC. See
the
Unicom 2500 Installation and Operation Manual
for additional information.
From the left side of the web-
page, select Communication Products for the Unicom 2500 and Cables and Accesso-
ries for the RS485 4-wire to 2-wire cable. Figure 5.6 illustrates the Unicom 2500
connections for RS485.
NOTE: We recommend you use EIG’s 4-wire to 2-wire communication cable
so you do not have to use jumper wires.
Figure 5.6: Unicom 2500 with Connections
(+)
(-)
SH
(+)
(-)
SH
Jumpers:
Short TX(-) to RX(-) becomes (-) signal
Short TX(+) to RX(+) becomes (+) signal
TX(-) RX(-) TX(+) RX(+) SH
RS232 Port
UNICOM 2500
PC
MP200 Metering System’s
RS485 Port
Содержание MP200
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