Omron CP1E-NA20DT1-D Programmable Logic Controller

Technical Overview

Compact DC24V CPU unit with 12 digital inputs, 8 PNP transistor outputs, 2 analog inputs, and 1 analog output. 8K step program capacity, IP20 rated.

Key Features

12 digital inputs (including 6 interruption inputs at 10 kHz and 1 high-speed counter at 100 kHz)
8 PNP (sourcing) transistor outputs with 0.3 A current rating
2 built-in analog inputs supporting 0-10V or 4-20mA with high 1/6000 resolution
1 built-in analog output supporting 0-10V with 1/4000 resolution
Robust 8K steps program capacity and 8K words of data memory for complex ladder configurations
Integrated USB 2.0 port for programming and debugging, plus a dedicated RS-232C serial port
Supports dual-axis 100 kHz pulse outputs for precise point-to-point motion control
Real-time clock and battery-backed memory storage capabilities for reliable downtime logging

Technical Specification Matrix

Parameter	Value
Supply Voltage	24 VDC
Number of Digital Inputs	12
Digital Input Type	PNP/NPN (24 VDC)
Number of Digital Outputs	8
Digital Output Type	Transistor, PNP (Sourcing)
Digital Output Current	0.3 A per point
Number of Analog Inputs	2
Analog Input Range	0-10 VDC / 4-20 mA
Analog Input Resolution	1/6000
Number of Analog Outputs	1
Analog Output Range	0-10 VDC
Analog Output Resolution	1/4000
Program Capacity	8 K steps
Data Memory Capacity	8 K words
Logic Execution Time	1.19 µs
High-Speed Counters	6 interruption inputs (10 kHz) / 1 counter (100 kHz)
Max. Pulse Output Frequency	100 kHz (2 axes)
Communication Ports	1 x USB port, 1 x RS-232C port
Operating Temperature Range	0 to 55 °C
IP Rating	IP20
Mounting Type	DIN Rail
Physical Weight (kg)	0.55
Dimensions L x W x H (cm)	8.5 x 13 x 9

Industrial Applications

1. Closed-Loop Temperature Control in Plastic Extruders

Utilizing the 2 built-in analog inputs, the controller continuously monitors temperature from external sensor transmitters (using 4-20mA current loops). It processes the signal using ladder-logic PID algorithms and regulates output heating elements via standard digital outputs.

Problem Solved

Solves the issue of requiring external analog-to-digital expansion cards in compact extruder systems, reducing panel space, system complexity, and overall bills of materials.

PID Control4-20mA InputClosed-loop SystemExtruder Automation

2. Dual-Axis Packaging Machine Positioning

Leverages the dual-axis 100 kHz pulse outputs to interface with servo drives or stepper motors, dictating precise point-to-point positioning for film feeding and rotary cutting. Feedback from high-speed encoders is tracked using the PLC's 100 kHz high-speed counter inputs.

Problem Solved

Avoids the high cost of dedicated multi-axis motion controller modules by using built-in high-speed I/O inside a cost-effective micro-PLC.

Pulse OutputEncoder FeedbackPositioning ControlServo Integration

3. Industrial Flow Control and Valve Regulation

The built-in analog output generates a 0-10V control signal to proportionally adjust pneumatic control valves based on flow rate feedback acquired through the analog inputs, maintaining a precise target fluid flow.

Problem Solved

Eliminated signal latency and potential communication errors associated with network-based valve controllers by executing locally on a low-latency 1.19 µs execution cycle.

Proportional Valve ControlFlow Regulation0-10V Analog OutputProcess Automation