Omron CP1L-EM40DR-D Programmable Logic Controller
Omron CP1L-EM40DR-D Programmable Logic Controller (PLC) is a compact CPU unit featuring 40 I/O points with 24 digital inputs and 16 relay outputs, ideal for general-purpose automation applications. It offers 10K-step program capacity, high-speed counters at 100 kHz across 4 axes, and stable DC-powered operation. Designed for small-scale machine control, it supports built-in Ethernet and USB connectivity for easy integration with devices and sensors. Manufactured by Omron, this model is part of the Omron Programmable Controllers family and belongs to the CP1L Series used in industrial automation.

| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CP1L-EM40DR-D |
| Specification | Value |
|---|---|
| Control method | Stored program method |
| I/O control method | Cyclic scan with immediate refreshing |
| Power Supply | 24 VDC |
| Output method | Relay output |
| Inputs | 24 |
| Outputs | 16 |
| Program language | Ladder diagram |
| Operating voltage range | 20.4 to 26.4 VDC |
| Power consumption | 20 W max. |
| Insulation resistance | No insulation between primary and secondary for DC power supply |
| Dielectric strength | No insulation between primary and secondary for DC power supply |
| Noise immunity | Conforms to IEC 61000-4-4. 2 kV (power supply line) |
| Vibration resistance | 5 to 8.4 Hz, 3.5 mm amplitude, 8.4 to 150 Hz, acceleration: 9.8 m/s2 in X, Y, and Z directions for 100 minutes each (time coefficient of 10 minutes × coefficient factor of 10 = total time of 100 minutes) |
| Shock resistance | Conforms to JIS C60068-2-27. 147 m/s2 3 times each in X, Y, and Z directions |
| Ambient operating temperature | 0 to 55°C |
| Ambient humidity | 10% to 90% (with no condensation) |
| Ambient operating environment | No corrosive gas |
| Ambient storage temperature | −20 to 75°C (Excluding battery.) |
| Power holding time | 2 ms min |
| Function blocks | Maximum number of function block definitions: 128 Maximum number of instances: 256; Languages usable in function block definitions: Ladder diagrams, structured text (ST) |
| Instruction length | 1 to 7 steps per instruction |
| Instructions | Approx. 500 (function codes: 3 digits) |
| Instruction execution time | Basic instructions: 0.55 μs min. Special instructions: 4.1 μs min |
| Common processing time | 0.4ms |
| Inrush current * | 30 A max. (for cold start at room temperature) 20 ms max. |
The Omron CP1L-EM40DR-D is built for automation systems that require compact control with reliable digital I/O and durable relay outputs. Its 40 I/O points allow seamless interfacing with sensors, actuators, and field devices, supporting small manufacturing lines, packaging equipment, and general-purpose machines. High-speed counters and robust processing enable responsive and accurate operations for time-sensitive applications.
Omron CP1L-EM40DR-D is widely used in machine control, factory automation, and process monitoring environments requiring compact and scalable CPU solutions. The built-in Ethernet and USB connectivity simplify system integration, while the relay output design ensures durability across varied industrial applications. System integrators appreciate the compact footprint and organized wiring structure, which supports efficient installation and maintenance.
Reliable DC power, stable performance, and rugged construction make CP1L-EM40DR-D suitable for continuous operation under standard industrial conditions. OEMs, automation companies, and industrial buyers select this Omron PLC CPU unit for projects requiring dependable 24 digital inputs, 16 relay outputs, compact design, and long-term operational reliability in small-to-medium scale automation systems.




