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CP1W-20EDR1

Omron CP1W-20EDR1 Expansion I/O Unit 12 Input 8 Relay Output

SKU: CP1W-20EDR1

USD 52.00

Omron CP1W-20EDR1 is a 20-point expansion I/O unit for CP1 series PLCs with 12 DC inputs and 8 relay outputs.

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Product Overview

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.

  • SKU: CP1W-20EDR1
  • Series: CP1W
  • I/O: 12 I/O

Best-Fit 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

FAQ for CP1W-20EDR1

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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