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Part of the Omron CP-Series Compact PLCs series — see the full model table, lifecycle status and replacement parts.

Omron CP2E-N40DR-A — front face of the 40-point compact PLC showing the 24 DC input terminals on the left, the 16 relay output terminals in the centre, the I/O status LEDs, and the two Ethernet ports on the bottom right

Omron CP2E-N40DR-A — 40 I/O PLC, Relay Outputs

SKU: CP2E-N40DR-A

USD 162.00

CP2E 40-pt compact PLC, 24 DC in / 16 relay out, dual Ethernet 10/100, 100-240 VAC, real-time clock.

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Product Overview

The Omron CP2E-N40DR-A is the 40-point network-type variant of the CP2E-series compact PLC with mechanical relay outputs. It is manufactured by Omron Corporation. Hengyixin Automation stocks this controller in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports.

It runs on 100 to 240 VAC at 50/60 Hz, holds 10K steps of user program and 16K words of data memory, and executes basic ladder instructions in 0.23 microseconds. The unit carries 40 built-in I/O points without an expansion rack.

The 150 x 90 x 80 mm body fits the standard CP1L / CP2E footprint. Key specs: Model CP2E-N40DR-A; Supply Voltage 100 to 240 VAC, 50/60 Hz, 85 to 264 VAC operating; Digital Inputs 24 DC inputs (6 x 100 kHz high-speed counters); Digital Outputs 16 mechanical relay outputs, 2 A per point, 250 VAC / 30 VDC max; Program Memory 10K steps + 16K words data, LD 0.23 us execution; Communication Dual Ethernet 10/100 with switching + 2 option-board slots; High-Speed Counters 6 inputs at 100 kHz (incremental, up/down, pulse+direction, 4x); Expansion Up to 3 CP1W expansion units, max 160 local I/O points.

Key Features

  • CP2E network-type compact PLC, 100-240 VAC supply, 40 built-in I/O points (24 DC in / 16 relay out)
  • 10K steps program + 16K words data, LD 0.23 us execution, function-block programming
  • Dual 10/100 Ethernet ports with switching hub for daisy-chained CP2E-N CPU line
  • 3 CP1W expansion units + 2 option-board slots, max 160 local I/O points
  • SKU: CP2E-N40DR-A
  • Series: CP2E network-type compact PLC
  • Voltage: 100 TO 240 VAC

Best-Fit Applications

  • Retrofit of older CP1L-N40 applications needing Ethernet but not CJ2M-class CPU.
  • Multi-station assembly cell linking each CP2E to a cell controller on the same Ethernet trunk.
  • Water-treatment skid where the relay outputs switch 110 / 240 VAC pump contactors directly.

Buying Checklist

  • Choose CP2E-S40DR-A for a basic-type CP2E without Ethernet at lower cost.
  • Confirm the loads need dry contacts - for fast switching of DC valves, pick CP2E-N40DT1-D (PNP transistor) instead.
  • Choose CP2E-N60DR-A when 60 I/O points (36 in / 24 relay out) are needed in the same form factor.

Technical Specifications

Model CP2E-N40DR-A
Series CP2E network-type compact PLC
Supply Voltage 100 to 240 VAC, 50/60 Hz, 85 to 264 VAC operating
Digital Inputs 24 DC inputs (6 x 100 kHz high-speed counters)
Digital Outputs 16 mechanical relay outputs, 2 A per point, 250 VAC / 30 VDC max
Program Memory 10K steps + 16K words data, LD 0.23 us execution
Communication Dual Ethernet 10/100 with switching + 2 option-board slots
High-Speed Counters 6 inputs at 100 kHz (incremental, up/down, pulse+direction, 4x)
Expansion Up to 3 CP1W expansion units, max 160 local I/O points
Memory Backup Battery-free MRAM, real-time clock built-in
Dimensions 150 x 90 x 80 mm, 640 to 765 g; -20 to +60 degC operating

Manufacturer documentation

Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.

FAQ for CP2E-N40DR-A

What does the -DR-A suffix on CP2E-N40DR-A mean?
DR = DC inputs + Relay outputs. A = 100-240 VAC power supply. For PNP sourcing transistor outputs on the same form factor, use CP2E-N40DT1-D on 24 VDC; for NPN sinking transistor outputs, use CP2E-N40DT-D. The DR suffix is independent of the I/O count.
Does the CP2E-N40DR-A have built-in Ethernet?
Yes - two 10/100 Ethernet ports with a built-in switching-hub function. The two ports support FINS / TCP, Modbus / TCP server, and socket services, so a daisy-chained line of CP2E-N CPUs does not need an external Ethernet switch in the cabinet.
Can a CP2E-N40DR-A drive 240 VAC loads directly from the relay outputs?
Yes - the 16 mechanical relay outputs switch up to 2 A per point at 250 VAC or 30 VDC. For higher inductive loads (solenoids, contactor coils), add an RC snubber or flyback diode across the load to extend contact life.
Does the CP2E-N40DR-A need a memory backup battery?
No - the project is stored in non-volatile MRAM and the real-time clock runs from a super-cap for several days after power-off. There is no routine battery to replace on this controller. The project uploads over USB or serial once the licence is in place; runtime is identical to the basic CP2E-S variants.

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