CJ1W-ID231 | Omron CJ1 32-Point 24VDC Digital Input Module
Omron · PLCs & Industrial Controllers
Description The Omron CJ1W-ID231 is a 32-point DC input module designed for CJ1 Series PLC systems. It operates at a rated input voltage of 24 VDC and provides reliable discrete signal acquisition for industrial automation applications. With fast response time and high insulation performance, this module ensures stable input monitoring in demanding control environments. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Industrial Automation Part Number CJ1W-ID231 Subcategory PLC Input Modules Product Line CJ1 Model Type DC Input Unit Number of Input Points 32 Number of Circuits 2 (16 Points/Common) Rated Input Voltage 24 V DC Rated Voltage Range 20.4 to 26.4 V DC Input Impedance 5.6 kΩ Input Current 4.1 mA typical (at 24 V DC) ON Voltage / Current 19.0 V DC min. / 3 mA min. OFF Voltage / Current 5 V DC max. / 1 mA max. ON/OFF Response Time 8.0 ms max Simultaneously ON Points 75% (12 points/common) at 24 V DC Insulation Resistance 20 MΩ at 100 V DC Dielectric Strength 1,000 V AC for 1 minute (10 mA max leakage) Internal Current Consumption 5 V DC: 90 mA max Weight 0.56 lbs (0.26 kg) Information About CJ1W-ID231 The CJ1W-ID231 is a DC input unit engineered for integration into Omron CJ1 Series PLC racks as a CPU bus I/O module. It features 32 input points organized into two circuits with 16 points per common, allowing efficient wiring and signal grouping. Designed for 24 VDC operation within a 20.4 to 26.4 VDC range, the module offers defined ON/OFF voltage and current thresholds for consistent signal detection. With strong dielectric strength, insulation resistance, and low internal current consumption, it is suitable for industrial applications requiring dependable and electrically protected input processing. Key Features: 32 Digital Input Points: High-density input configuration for expanded control capability. 24 VDC Operation: Rated input voltage with a 20.4–26.4 VDC operating range. 16 Points per Common: Organized into two circuits for structured wiring. Fast Response Time: ON/OFF response time of 8 ms maximum. Defined Switching Thresholds: 19 VDC minimum ON voltage and 5 VDC maximum OFF voltage. High Insulation Resistance: 20 MΩ at 100 VDC between external terminals and GR terminal. Strong Dielectric Strength: 1,000 VAC withstand voltage for 1 minute. Low Internal Current Consumption: Maximum 90 mA at 5 VDC. The CJ1W-ID231 delivers the reliability and precision required for stable discrete DC input monitoring in CJ1 PLC automation systems.
Brand: Omron · Category: PLCs & Industrial Controllers
Key features
- 32 Digital Input Points: High-density input configuration for expanded control capability.
- 24 VDC Operation: Rated input voltage with a 20.4–26.4 VDC operating range.
- 16 Points per Common: Organized into two circuits for structured wiring.
- Fast Response Time: ON/OFF response time of 8 ms maximum.
- Defined Switching Thresholds: 19 VDC minimum ON voltage and 5 VDC maximum OFF voltage.
- High Insulation Resistance: 20 MΩ at 100 VDC between external terminals and GR terminal.
- Strong Dielectric Strength: 1,000 VAC withstand voltage for 1 minute.
- Low Internal Current Consumption: Maximum 90 mA at 5 VDC.
Specifications
| Manufacturer part number | CJ1W-ID231 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Omron |
| Category | Industrial Automation |
| Part Number | CJ1W-ID231 |
| Subcategory | PLC Input Modules |
| Product Line | CJ1 |
| Model Type | DC Input Unit |
| Number of Input Points | 32 |
| Number of Circuits | 2 (16 Points/Common) |
| Rated Input Voltage | 24 V DC |
| Rated Voltage Range | 20.4 to 26.4 V DC |
| Input Impedance | 5.6 kΩ |
| Input Current | 4.1 mA typical (at 24 V DC) |
| ON Voltage / Current | 19.0 V DC min. / 3 mA min. |
| OFF Voltage / Current | 5 V DC max. / 1 mA max. |
| ON/OFF Response Time | 8.0 ms max |
| Simultaneously ON Points | 75% (12 points/common) at 24 V DC |
| Insulation Resistance | 20 MΩ at 100 V DC |
| Dielectric Strength | 1,000 V AC for 1 minute (10 mA max leakage) |
| Internal Current Consumption | 5 V DC: 90 mA max |
| Weight | 0.56 lbs (0.26 kg) |
| Product type | PLC Input Modules |
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