Omron CP1L-EM40DT-D Programmable Logic Controller
The Omron CP1L-EM40DT-D PLC CPU Unit combines 24 digital inputs with 16 sinking transistor outputs for compact industrial machine-control applications. This Programmable Logic Controller provides a 10K-step program capacity together with 100 kHz high-speed counters across 4 axes and 100 kHz pulse outputs across 2 axes for applications requiring fast counting and positioning control. Its DC-powered architecture includes built-in Ethernet and USB connectivity, supporting communication with engineering systems and connected automation equipment. The transistor outputs provide electronic switching for responsive machine sequences. The CP1L-EM40DT-D combines high-speed control with integrated network connectivity and belongs to the transistor output PLC range supporting Omron machine automation.

| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CP1L-EM40DT-D |
| Specification | Value |
|---|---|
| Control method | Stored program method |
| I/O control method | Cyclic scan with immediate refreshing |
| Power Supply | 24 VDC |
| Output method | Transistor output (sinking) |
| 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-EM40DT-D is engineered for automation systems requiring rapid digital processing and precise motion control. Its 40 I/O points allow seamless integration with sensors, actuators, and machine modules in packaging, assembly, and small-scale manufacturing lines. High-speed counters and pulse outputs ensure fast and accurate execution of motion and logic sequences, supporting time-sensitive industrial applications.
Omron CP1L-EM40DT-D is widely deployed in compact automation panels, factory control systems, and process monitoring setups where efficient communication and scalable integration are important. The built-in Ethernet and USB connectivity simplifies integration with devices, while the transistor output design enhances durability and operational reliability. Panel builders and system integrators benefit from its organized layout and compact form factor for easier installation and maintenance.
Reliable DC power operation, stable execution, and robust construction make CP1L-EM40DT-D suitable for continuous industrial use under demanding conditions. OEMs, automation companies, and industrial buyers select this Omron PLC CPU unit for projects requiring dependable 24 digital inputs, 16 sinking transistor outputs, fast motion control, and long-term operational reliability in small-to-medium scale automation systems.


