Omron 3G3RX2-A2 Series Instruction Manual page 77

■Description of switches
(SW4) (SW4) (SW3) (SW3)
Ao2 Ao1
20mA 20mA
10V 10V
Control circuit terminal area
Indication
Ai1
Analog input 1 switch
(SW1)
Ai2
Analog input 2 switch
(SW2)
Ao1
Analog output 1 switch
(SW3)
Ao2
Analog output 2 switch
(SW4)
Switching the method of
P.SEL
power supply to the input
(SW5)
SRC/SINK Switch of sink/source for
(SW6)
(SW2) (SW2) (SW1) (SW1) (SW5) (SW5)
Ai2 Ai1 P.SE
20mA 20mA EX
10V 10V IN
SW name
Switches input specification of analog input 1 (Ai1 terminal).
10V: Voltage input is available.
20mA: Current input is available.
Switches input specification of analog input 2 (Ai2 terminal).
10V: Voltage input is available.
20mA: Current input is available.
Switches output specification of analog output 1 (Ao1 terminal).
10V: Output changes to voltage output.
20mA: Output changes to current output.
Switches output specification of analog output 2 (Ao2 terminal).
10V: Output changes to voltage output.
20mA: Output changes to current output.
Switches the method of power supply to the input terminals.
IN: Drives the input terminals using the internal power supply.
EX: Use an external power supply to drive input terminals.
terminals
(In the case of EX, a power supply is required between the input terminals
and COM.)
Switches the sink/source logic for input terminals.
This switch is enabled when SW5 is IN.
the input terminals
SINK: Enables sink logic.
SRC: Enables source logic.
(SW6) (SW6)
SRC
SINK
(Factory setting)
* Using a switch under power-on condition may cause
failure. Use the switch only after turning off the
power and confirming that the POWER lamp on the
operator keypad is off.
Description
Control circuit
33