Omron CP1H-Y20DT-D Programmable Logic Controller
The Omron CP1H-Y20DT-D PLC CPU Unit is designed for high-speed machine-control applications requiring fast counting and pulse output functions. This Programmable Logic Controller provides a 20K-step program capacity together with 1 MHz high-speed counters for 2 axes and 1 MHz pulse outputs for 2 axes. It combines 12 digital inputs with 8 sinking transistor outputs and includes dedicated line-driver I/O for encoder interfacing. The DC-powered controller supports optional communication and Ethernet expansion for integration with additional automation devices and networks. The CP1H-Y20DT-D combines high-speed counting, pulse output, and encoder interfacing within the high-speed PLC control range supporting Omron motion automation.

| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CP1H-Y20DT-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 | 12 + line-driver, input, 2 axes |
| Outputs | 8 + line-driver output, 2 axes |
| Program language | Ladder diagram |
| Input bits | 272bits (17 words) : CIO 0.00 to 16.15 |
| Output bits | 272bits (17 words) : CIO 100.00 to 116.16 |
| Operating voltage range | 20.4 to 26.4 VDC (with 4 or more Expansion Units and Expansion I/O Units: 21.6 to 26.4 VDC) |
| Power consumption | 50 W max. |
| Inrush current (See note.) | 30 A max. (for cold start at room temperature) 20 ms 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 | Conforms to JIS C60068-2-6. 10 to 57 Hz, 0.075-mm amplitude, 57 to 150 Hz, acceleration: 9.8 m/s2 in X, Y, and Z directions for 80 minutes each. Sweep time: 8 minutes × 10 sweeps = total time of 80 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. |
The Omron CP1H-Y20DT-D is engineered for automation systems requiring fast motion control with precise encoder interfacing. Its 12 digital inputs and 8 transistor outputs allow seamless connection with sensors, actuators, and high-speed machinery components. High-frequency counters and pulse outputs provide accurate positioning, making it suitable for assembly, packaging, and compact machine applications where timing and motion precision are critical.
Omron CP1H-Y20DT-D is widely used in factory automation, small-scale machine control, and process monitoring setups requiring rapid execution and reliable signal processing. The compact CPU unit simplifies panel integration while maintaining organized wiring and easy access for maintenance. Optional Ethernet and communication modules allow flexible connectivity with existing Omron PLC architectures, supporting scalable and networked automation systems.
Reliable DC power operation and robust industrial design make CP1H-Y20DT-D suitable for continuous high-speed operation under demanding conditions. Maintenance engineers appreciate the clear module layout for easy troubleshooting, while OEMs and automation companies select this Omron PLC unit for projects requiring dependable 12 digital inputs, precise motion control, and long-term operational stability in compact industrial applications.


