Omron SYSDRIVE 3G3RV Series

2
-
10
Communications-circuit Terminals (Same for 200-V and 400-V Class)
The functions for the communications-circuit terminals by symbol are shown in Table 2.3.
Table 2.3 Communications-circuit Terminal Functions
Type
Signal
Symbol
Signal Name Terminal Function Signal Level
RS-
422A/
485
Com-
muni-
cations
R+
RS-422A/485 receive data
For 2-wire RS-485, short R+ and
S+, as well as R- and S-.
Differential input,
photocoupler isolationR-
S+
RS-422A/485 send data
Differential input,
photocoupler isolationS-
IG
Shield wire for communica-
tions
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