Omron SYSDRIVE 3G3RV, User Manual

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Wiring Control Circuit Terminals for Asian Models
2-
35
The
functions of DIP switch S1 are shown in the following table.
n
Sinking/Sourcing Mode
The
input terminal logic can be switched between sinking mode (0-V common) and sourcing mode (+24-V
common)
if shunt connector CN5 is used. An external 24-V power supply is also supported, providing more
freedom
in signal input methods.
Table 2.17 DIP Switch S1
Name Function Setting
S1-1
RS-485
and RS-422A terminating resis-
tance
OFF:
No terminating resistance
ON:
Terminating resistance of 110 Ω
S1-2 Input
method for analog input A2
OFF:
0 to 10 V (internal resistance: 20 k Ω
)
ON:
4 to 20 mA (internal resistance: 250 Ω
)
Table 2.18 Sinking/Sourcing Mode and Input Signals
Internal Power Supply External Power Supply
Sink-
ing
Mode
Sourc-
ing
Mode
IP24V (24 V)
CN5 (NPN set) Factory setting
SC
S1
S2
CN5
Shunt
position
IP24V (24 V)
CN5 (EXT set)
SC
S1
S2
Ex24 V
CN5
IP24V (24 V)
CN5 (PNP set)
SC
S1
S2
CN5
IP24V (24 V)
CN5 (EXT set)
SC
S1
S2
Ex 24 V
CN5