cs1w-ad Omron Corporation, cs1w-ad Datasheet - Page 7

• Manufacturer Part Number: cs1w-ad
• Description: Cs Series Analog I/o Unit
• Manufacturer: Omron Corporation

Internal Circuitry
The following diagrams show the internal circuitry of the analog input section.
Input Circuitry
CS1W-AD041-V1/AD081-V1
CS1W-AD161
Internal Configuration
CS-series PC
AG
(analog 0 V)
Input (+)
Input (−)
Input (−)
AG (analog 0 V)
Input (+)
Current mode
Bus
interface
Oscillator
Voltage/
current
input switch
250 Ω
Division
1 MΩ
1 MΩ
250 Ω
1 MΩ
15 kΩ
15 kΩ
Indicators/Switch
1 MΩ
15 kΩ
15 kΩ
RAM ROM
AG (common to all inputs)
MPU
15 kΩ
15 kΩ
+26V
AG (common to all inputs)
EEPROM
15 kΩ
15 kΩ
Insulation-type
DC-to-DC
converter
Input circuit
and
conversion
circuit
Input circuit
and
conversion
circuit
A/D
converter
Regulator
Multi-
plexer
and
amplifier
+15V
+5V
−15V
Externally
connected
terminal
INPUT
CS1W-AD/DA/MAD
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