Omron CJ1W-DA08C

241
Wiring Section 6-4
6-4-2 Internal Circuitry
The following diagrams show the internal circuitry of the analog I/O section.
Input Circuitry
Output Circuitry
Internal Configuration
1 M
15 k 15 k
15 k 15 k
AG (common to all inputs)
Input (+)
Input (–)
AG
(analog
0 V)
Input circuit
and
conversion
circuit
1 M
Voltage/
current
input switch
250
Output
switch and
conversion
circuit
AMP
Voltage
output (+)
Voltage
output (–)
AG (common to all outputs)
Indicators/Switch
MPU
Regulator
Oscillator
Division
CS-series PLC
EEPROM
RAM ROM
Photocoupler insulation
OUTPUT
INPUT
+26 V
+5 V
−15 V
+15 V
Bus
interface
Insulation-type
DC-to-DC
converter
D/A
converter
A/D
converter
Multi-
plexer
and
amplifier
Multi-
plexer
and
amplifier
Externally
connected
terminal