Omron SYSDRIVE RV Series User Manual page 47

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.
Signal
Type
Symbol
RS- R+
RS-422A/485 receive data
422A/ R-
485 S+
RS-422A/485 send data
Com- S-
muni- Shield wire for communica-
IG
cations tions
Table 2.3 Communications-circuit Terminal Functions
Signal Name
For 2-wire RS-485, short R+ and
S+, as well as R- and S-.
Terminal Block Configuration
Terminal Function
-
Signal Level
Differential input,
photocoupler isolation
Differential input,
photocoupler isolation
-
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2-