Omron CP2E-E20DR-A PLC CPU Unit

USD 97.81

Compact AC PLC CPU with 12 DI, 8 relay DO, 8K steps, USB/RS-232C, battery-free backup, and 20 I/O points.

SKU Omron-CP2E-E20DR-A Category
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Omron CP2E-E20DR-A PLC CPU Unit

Model Identifier CP2E-E20DR-A
Official Part Number CP2E-E20DR-A
GTIN Standard NA

Technical Overview

Compact CP2E Essential Model PLC CPU unit with 20 total I/O points, 12 digital inputs, 8 relay outputs, and AC supply input. Omron positions it as a basic-control micro PLC for machine-level automation with built-in USB and RS-232C communications, 8K-step program capacity, 4K-word data memory, and battery-free memory backup. The unpacked product dimensions and weight are documented by Omron as 90 mm H × 86 mm W × 80 mm D and 281 g. The operating temperature range is -20 to 60 °C.

Key Features

  • 12 digital inputs
  • 8 relay outputs
  • AC supply voltage
  • 8K-step program capacity
  • 4K-word data memory
  • USB communication port
  • RS-232C communication port
  • Battery-free memory backup
  • Operating temperature range: -20 to 60 °C
  • Compact essential-model CPU for machine control

8K-step compact PLC CPU with 20 built-in I/O points and relay outputs

Technical Specification Matrix

ParameterValue
Supply voltage typeAC
Supply voltage120-240 VAC
Input typeDC
Output typeRelay
Number of digital inputs12
Number of digital outputs8
Built-in I/O20
Total I/O capacity20
Program capacity8 K steps
Data memory capacity4 K words
Logic execution time0.23 µs
Communication port(s)Serial RS-232C, USB
Number of USB ports1
Number of RS-232 ports1
Number of Ethernet ports0
Number of RS-485 ports0
Number of option modules0
Max. encoder input frequency100 kHz
Max. number of local I/O points20
Max. number of expansion units0
Operating temperature range-20-60 °C
Product Height (unpacked)90 mm
Product Width (unpacked)86 mm
Product Depth (unpacked)80 mm
Product Weight (unpacked)281 g

Industrial Applications

1. Compact machine sequencing control

Used for small machine panels that need a 120-240 VAC PLC with 12 inputs and 8 relay outputs to coordinate sensors, relays, and actuators.

Problem Solved

Replaces hardwired relay logic with a compact programmable controller in limited cabinet space.

PLCrelay outputsdigital inputscompact automationmachine sequencing

2. Basic pump and utility panel automation

Fits utility skids or small pump stations where AC-powered control, relay switching, and modest I/O count are sufficient.

Problem Solved

Provides centralized control for start/stop, interlocks, and alarms without requiring network-heavy infrastructure.

AC supplyrelay controlinterlockspump panelutility automation

3. Standalone OEM retrofit controller

Useful when replacing legacy control panels that need a small controller with USB/RS-232C service connectivity and battery-free backup.

Problem Solved

Simplifies retrofit commissioning and maintenance in legacy equipment with minimal expansion needs.

retrofitUSBRS-232Cbattery-free backupOEM panel
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