Description
For space-constrained industrial systems requiring robust localized control, the Omron CPM1A-40CDR-D-V1 micro PLC CPU module delivers reliable processing power in a highly compact form factor. Part of the established SYSMAC CPM1A family, this controller integrates power supply, CPU, and I/O components into a single unit, making it an efficient choice for standalone machines and small assembly lines.
This controller features a total of 40 built-in I/O points, configured as 24 DC inputs and 16 robust relay outputs. For applications requiring system growth, the CPU base unit can be expanded by connecting up to three expansion I/O modules, allowing adaptation to changing machinery needs. It features a high-speed counter input capable of managing high-frequency pulses from rotary encoders, ensuring precise positioning and synchronization tasks.
Features
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Integrated I/O Architecture: Equipped with 24 digital DC inputs and 16 dry-contact relay outputs.
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Scalable I/O Capacity: Supports up to 3 expansion units to scale physical I/O counts.
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High-Speed Counter: One built-in 5 kHz high-speed counter input compatible with incremental encoder feedback.
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Optimized Memory Allocation: Features 2 kWords of program capacity and 1 kWord of internal data memory (DM).
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Fast Logic Execution: Processes basic instructions in 0.72 to 1.72 microseconds for fast application response.
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DC Power Operation: Configured for standard 24 VDC industrial power systems.
Applications
- Packaging and labeling machines
- Conveyor systems and material handling sortation
- Small-scale automated assembly lines
- HVAC control and pump station management
- Custom test benches and laboratory automation systems
Technical Specifications
| Manufacturer |
Omron |
| Model/Part Number |
CPM1A-40CDR-D-V1 |
| Product Series |
SYSMAC CPM1A |
| Module Type |
PLC CPU Base Unit |
| Power Supply Voltage |
24 VDC |
| Operating Voltage Range |
20.4 to 26.4 VDC |
| Total Integrated I/O |
40 points |
| Input Specifications |
24 DC inputs (24 VDC) |
| Output Specifications |
16 Relay outputs (250 VAC / 24 VDC, 2 A max per point) |
| Program Capacity |
2 kWords |
| Data Memory Capacity |
1 kWord |
| Execution Speed |
0.72 microseconds (basic instructions) |
| High-Speed Counter Input |
1 input (5 kHz max frequency) |
| Expansion Units |
Up to 3 expansion modules |
| Operating Temperature Range |
0 to 55 degC |
| Dimensions (H x W x D) |
90 mm x 150 mm x 50 mm |
Connections and Interfaces
| Interface Type |
Connection Interface |
Description |
| Power & I/O |
M3.5 Screw Terminals |
Direct connection for field wiring, ground, and external 24 VDC source. |
| Peripheral Port |
Custom Omron Port |
Connects to programming consoles or external communication adapters (RS-232C). |
Installation Guidelines
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Mounting: Mount the unit onto standard 35mm DIN rail or secure directly to a backplate using the integrated mounting screw holes.
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Orientation: Install the PLC horizontally to ensure correct heat dissipation through the built-in cooling vents.
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Clearance: Maintain at least 50 mm of free space above and below the controller unit to ensure continuous airflow.
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Wiring: Always use crimp terminals for all screw connections. Do not connect raw stranded wire directly to prevent short circuits.
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Environment: Ensure the installation enclosure is free from heavy dust, corrosive gas, and excessive moisture.
Compliance and Certifications
- CE Compliant
- UL Listed
- CSA Certified