Omron CP1E-N40SDT-D Programmable Logic Controller

Technical Overview

Compact 24VDC PLC featuring 24 inputs, 16 sinking transistor outputs, dual 100kHz pulse outputs, 6 high-speed counters, and integrated USB/RS-232C ports.

Key Features

High-density I/O configuration with 24 digital inputs and 16 sinking transistor outputs
Standard dual communication interfaces with built-in USB 2.0 (Mini-B) and RS-232C ports
Generous memory capacity with 8K steps of program memory and 8K words of data memory
Advanced positioning support via 6 high-speed counter inputs and 2 pulse outputs up to 100 kHz
Convenient 35mm DIN rail or panel mounting for clean and modular control cabinets

Technical Specification Matrix

Parameter	Value
Supply Voltage	24 VDC
Operating Voltage Range	20.4 to 26.4 VDC
Power Consumption	20 W max.
Number of Inputs	24
Number of Outputs	16
Output Type	Transistor (Sinking / NPN)
Program Capacity	8K steps
Data Memory Capacity	8K words
High-Speed Counter Inputs	6 points (up to 100 kHz)
Pulse Outputs	2 points (100 kHz)
Serial Communication Ports	1x RS-232C
Programming Interface	1x USB 2.0 (Type Mini-B)
Operating Temperature	0 to 55 °C
Operating Humidity	10% to 90% RH (non-condensing)
Vibration Resistance	Conforms to JIS 60068-2-6
Shock Resistance	Conforms to JIS 60068-2-27
Physical Weight (kg)	0.66
Dimensions L x W x H (cm)	7.9 x 15 x 9

Industrial Applications

1. High-Speed Multi-Axis Packaging Machine Positioning

Utilizing the dual 100 kHz pulse outputs, the PLC controls stepper or servo motor drives to accurately position feed axes in small-scale flow wrappers or packaging systems. The 24 inputs can capture sensor triggers from photo-eyes, proximity limits, and safety interlocks, while the sinking transistor outputs handle high-frequency actuator control.

Problem Solved

Achieves sub-millimeter positioning accuracy in packing tasks without requiring expensive dedicated multi-axis motion controllers.

100 kHz Pulse OutputSinking TransistorServo Drive ControlHigh-Speed Counter

2. Conveyor Sorting and Quality Inspection System

The PLC leverages its 6 high-speed counter inputs (up to 100 kHz) to process high-resolution incremental encoder feedback for real-time belt tracking. The 40 integrated I/O points allow simultaneous connection of up to 24 optical sensors, sorting gate actuators, and rejecting cylinders. Sinking transistor outputs ensure rapid, wear-free firing of pneumatic solenoids for high-throughput product sorting.

Problem Solved

Prevents delays in high-frequency pneumatic valve actuation, ensuring precise ejection of defect products on fast-moving lanes.

Incremental Encoder FeedbackHigh-Speed CounterSinking Transistor OutputHigh-Throughput Sorting

3. Liquid Filling and Volumetric Dispensing Control

Operating on a 24 VDC control loop, this PLC manages multiple flow meters generating high-frequency pulse trains. The pulse inputs are fed into the high-speed counter registers to precisely measure volume. Once the target volumetric threshold is reached, the fast-switching transistor outputs immediately de-energize the dispensing valves to prevent overflow, while the RS-232C port communicates with a local HMI for recipe management.

Problem Solved

Resolves the inaccuracy of standard relay scan cycles in volumetric filling, reducing liquid product giveaway and ensuring precise recipe execution.

Flow Meter Pulse ProcessingVolumetric DispensingRS-232C HMI IntegrationCyclic Scan Refreshing