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CHAPTER 4: COMMUNICATION INSTALLATION
20
EPM 5000 series Advanced Power Meters GE Multilin
RS-485 Hookup Diagram (2 wire) Half Duplex: Detail View
GR+T+R-T- GR+T+R-T-
RS-485
Communications
Port
Model#
SF485DB
RS-485
Communications
Port
Model#
SF485DB
R
T
RS-232
RS-485
Gnd
R+
T+
R-
T-
(-) (+)
UNICOM 2500
(Bottom View Shown)
Figure 4.4: 2-Wire RS-485 Communication Connection Installation half duplex, detail view