SKU: CP1W-20EDR1
Omron CP1W-20EDR1 Expansion I/O Unit 12 Input 8 Relay Output
Omron CP1W-20EDR1 is a 20-point expansion I/O unit for CP1 series PLCs with 12 DC inputs and 8 relay outputs.
USD 52.00 per unit, volume discounts available
- In stock, ships in 24h
- 100% genuine Omron
- 1-year manufacturer warranty
- Worldwide delivery
Key Features
- CP1W digital I/O expansion platform
- 20-point class channel extension capability
- Supports compact machine panel growth
- Useful for retrofit and OEM option expansion
- Maintains CP-series architecture continuity
- Enables structured I/O planning and diagnostics
20-Point Digital Expansion for CP-Series Control Platforms
CP1W-20EDR1 belongs to Omron CP1W expansion unit family and is used to increase available digital channels in compatible CP-series PLC systems. It is commonly selected when installed machines outgrow built-in I/O capacity and need additional points without full controller replacement. This model supports practical panel scaling in retrofit and OEM option projects. Engineering teams should verify CPU compatibility, expansion limits, addressing plans, and load interface behavior before installation. Commissioning should include point-level validation, logic checks, and terminal labeling. CP1W-20EDR1 is typically chosen where maintainable modular expansion is required in compact automation architectures.
Typical Applications
- Input/output scaling in compact machine controllers
- Signal expansion for conveyor and transfer modules
- OEM machine variants with additional field channels
- Retrofit capacity growth in installed CP panels
- Sensor/actuator integration in dense cabinets
- Standardized expansion across machine families
Buying Checklist
- Validate CPU compatibility and expansion count limits.
- Plan channel address assignment before installation.
- Confirm field-device electrical compatibility.
- Document terminal channel names for maintenance speed.
- Keep spare units for critical production assets.
Technical Specifications
| Model | CP1W-20EDR1 |
|---|---|
| Series | CP1W |
| Type | Expansion I/O Unit |
| Total Points | 20 points (12 input, 8 output) |
| Input Points | 12 DC inputs (24VDC) |
| Output Points | 8 relay outputs |
| Output Type | Relay (SPST-NO) |
| Contact Rating | 5A at 250VAC |
| Input Current | 7mA typical at 24VDC |
| Connection | Removable terminal block |
| Current Consumption | 100mA at 5VDC |
| Compatible CPUs | CP1E, CP1L, CP1H |
| Max Expansion Units | 3 units |
| Operating Temperature | 0 to +55°C |
Frequently Asked Questions
What PLCs is this expansion unit compatible with?
CP1W-20EDR1 works with CP1E, CP1L, and CP1H series CPUs. Connects via expansion port on CPU right side. Maximum 3 expansion units per CPU.
How many expansion units can I add?
Maximum 3 expansion units total (any combination of I/O, analog, communication). Limited by CPU's expansion capacity and power budget.
Do I need to configure this unit?
No, digital I/O units are auto-recognized. I/O addresses assigned automatically based on unit position. Analog and communication units require configuration.
What's the power consumption?
100mA at 5VDC (from CPU backplane). External: 7mA per input at 24VDC. Ensure CPU has sufficient power budget for all expansion units.
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