Machine Automation Solution – OMRON CPM1A-40CDR-A | CPM1A Series
Where This Product Is Used
The OMRON CPM1A-40CDR-A is a compact, high-reliability programmable logic controller engineered for demanding industrial environments. Engineers and system integrators deploy this unit across a wide range of applications:
- Packaging Machinery – Precise sequencing of conveyor belts, labelers, and filling stations where relay outputs provide robust switching for inductive loads.
- Injection Molding & Plastics – Cycle-time control, mold-open/close sequencing, and temperature interlock logic in high-cycle production cells.
- Material Handling & Conveyors – Multi-zone conveyor coordination, diverter gate control, and accumulation logic in warehousing and distribution centers.
- Food & Beverage Processing – Hygienic-area machine control where relay isolation prevents cross-contamination of control signals and simplifies HACCP compliance.
- HVAC & Building Automation – Fan, pump, and damper sequencing in commercial HVAC panels requiring compact DIN-rail mounting.
- Water & Wastewater Treatment – Pump station control, level-switch interlocking, and alarm annunciation in remote unmanned installations.
- Textile & Printing Equipment – Step-motor coordination, tension control interlocks, and web-break detection in continuous-process machinery.
Technical Specifications
| Model | CPM1A-40CDR-A |
| Series | CPM1A |
| Manufacturer | OMRON Corporation |
| Total I/O Points | 40 (24 Inputs / 16 Outputs) |
| Output Type | Relay (R) |
| Power Supply | AC 100–240 V (D = DC 24 V not applicable; A = AC) |
| Program Capacity | 2,048 instructions |
| Data Memory | 1,024 words (DM area) |
| Execution Speed | 0.72 µs / instruction (basic) |
| Communication Ports | 1 × RS-232C peripheral port |
| Expandable I/O | Up to 3 expansion units (max 100 I/O total) |
| Mounting | DIN rail or panel surface |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | –20 °C to 75 °C |
| Humidity | 10%–90% RH (non-condensing) |
| Protection Rating | IP20 |
| Weight | Approx. 500 g |
| Country of Origin | Japan |
Why Engineers Specify This Model
- Relay Output Versatility – Switches AC and DC loads without external interface relays, reducing panel component count and wiring cost.
- Proven CPM1A Platform – Millions of units deployed globally since the 1990s; extensive field history means predictable MTBF and readily available spare parts.
- Compact Footprint – DIN-rail profile fits tight control panels; no forced-air cooling required up to 55 °C ambient.
- Ladder + Function Block Programming – Compatible with OMRON CX-Programmer; reuse existing ladder logic from CPM1/CQM1 projects with minimal modification.
- Expandable Architecture – Add analog, temperature, or high-speed counter expansion units without replacing the CPU, protecting your control-system investment.
- Low Total Cost of Ownership – No battery required for program retention (flash memory); eliminates periodic battery-replacement maintenance.
Complete System Bill of Materials
For a fully operational CPM1A-40CDR-A control system, engineers typically specify the following complementary components:
- Programming Cable – CS1W-CN226 or USB-Serial adapter for CX-Programmer connectivity
- Programming Software – OMRON CX-Programmer (CX-One suite)
- Expansion I/O – CPM1A-20EDR1 (relay), CPM1A-20EDT (transistor NPN), CPM1A-MAD01 (analog)
- Power Supply – S8VS-06024 (24 VDC, 2.5 A) for sensor/field device power
- Communication Adapter – CIF01 RS-232C to USB converter for modern PC connectivity
- DIN Rail & Terminal Blocks – PFP-50N DIN rail + M3 screw terminal blocks for field wiring
- Surge Suppressor – Recommended on relay output lines driving inductive loads (contactors, solenoids)
Compliance & Industry Standards
- CE Marking – EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- UL Listed – UL 508 (Industrial Control Equipment)
- cUL Listed – CSA C22.2 No. 142
- RoHS Compliant – Directive 2011/65/EU
- IEC 61131-2 – Programmable Controllers Hardware Standard
- SEMI F47 – Voltage Sag Immunity (applicable to semiconductor fab installations)
Quality Assurance & Sourcing
Konmask.com sources the CPM1A-40CDR-A exclusively through authorized distribution channels and verified industrial surplus networks. Every unit undergoes the following before dispatch:
- Visual inspection for label authenticity, housing integrity, and connector condition
- Power-on functional verification where applicable
- Anti-static packaging with humidity indicator card
- Serial number logging for full traceability
We do not sell counterfeit, refurbished-as-new, or unverified grey-market stock. If you require a Certificate of Conformance (CoC) or test report, please contact us prior to ordering.
How to Source This Part
Ready to order or need a formal quotation for your procurement team?
- Online Order – Add to cart and check out directly. We accept T/T bank transfer, PayPal, and major credit cards.
- RFQ / Bulk Pricing – Email [email protected] with your required quantity and delivery timeline for volume pricing.
- Lead Time – In-stock units ship within 1–3 business days. Out-of-stock items: contact us for ETA.
- Export & Customs – We handle export documentation (commercial invoice, packing list, CO) for international shipments. HS Code: 8537.10.
Application-Specific FAQ
Q: Can the CPM1A-40CDR-A replace a CPM1-40CDR-A in an existing installation?
A: Yes. The CPM1A series is backward-compatible with CPM1 hardware and ladder programs in most cases. Verify I/O addressing and instruction set differences in the OMRON migration guide before deployment.
Q: What is the maximum relay output switching current?
A: 2 A per output point at 250 VAC / 24 VDC resistive load. Derate for inductive loads and use surge suppressors on coil-type loads.
Q: Is the CPM1A-40CDR-A suitable for safety-critical applications (SIL/PLe)?
A: No. The CPM1A is a standard (non-safety-rated) PLC. For SIL 2/3 or PLd/e applications, specify OMRON’s NX-SL or G9SP safety controllers instead.
Q: Can I connect this PLC to a SCADA or HMI via Ethernet?
A: The CPM1A-40CDR-A has a native RS-232C port only. Use the CIF11 (RS-232C to Ethernet) gateway or an OMRON NS-series HMI with serial host link to integrate with Ethernet-based SCADA systems.
Q: What programming software is required?
A: OMRON CX-Programmer (part of the CX-One automation software suite). A free 30-day trial is available from OMRON’s official website.
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