OMRON CP1W-8ER Relay Output Expansion Unit – CP1W Series
Imagine a production line where a critical relay output point fails mid-shift — conveyors halt, actuators freeze, and the entire downstream process grinds to a stop. Without a reliable expansion unit like the CP1W-8ER, engineers face unplanned downtime, costly emergency sourcing, and hours of rewiring. The OMRON CP1W-8ER Relay Output Expansion Unit is the precision component that keeps discrete control signals flowing, ensuring every output command from your CP1-series PLC reaches its destination without compromise.
Within the CP1W expansion family, the CP1W-8ER occupies a focused, high-reliability position: 8 relay output points in a compact DIN-rail form factor, purpose-built to extend the I/O capacity of OMRON CP1L and CP1H PLCs. As OMRON’s CP1 series has become one of the most widely deployed compact PLC platforms globally — trusted in packaging, food processing, material handling, and building automation — the CP1W-8ER serves as a foundational building block for scalable machine control architectures worldwide.
Technical Specifications
- Model: CP1W-8ER
- Brand: OMRON
- Series: CP1W Expansion Unit
- Output Type: Relay Output
- Number of Output Points: 8 points
- Compatible PLCs: OMRON CP1L, CP1H series
- Mounting: DIN Rail
- Weight: Approx. 160 g
- Manufacturer: OMRON Corporation (Japan)
Note: Full electrical ratings (voltage, current, response time) should be verified against the official OMRON CP1W-8ER datasheet prior to installation.
Key Features & Benefits
- 8 Relay Output Points: Provides flexible discrete output expansion for controlling solenoids, motors, indicators, and other field devices.
- Seamless CP1L/CP1H Integration: Plug-and-play expansion with no additional programming overhead — recognized automatically by the host PLC.
- Compact DIN-Rail Design: Space-efficient form factor minimizes panel footprint while maximizing I/O density.
- Relay Contact Outputs: Suitable for both AC and DC load switching, offering versatility across diverse field device types.
- Proven OMRON Reliability: Built to OMRON’s stringent manufacturing standards, ensuring long service life in demanding industrial environments.
- Scalable Architecture: Multiple CP1W expansion units can be stacked to meet growing I/O requirements without replacing the base PLC.
Industry & Equipment Applications
- Packaging Machinery: Controlling conveyor drives, sealing actuators, and reject mechanisms.
- Food & Beverage Processing: Switching pumps, valves, and filling station outputs.
- Material Handling: Managing sorter gates, lift actuators, and indicator lamps.
- Building Automation: HVAC control, lighting relay switching, and access control outputs.
- Assembly Lines: Coordinating robotic end-effectors and fixture clamping outputs.
- Water Treatment: Pump and valve relay control in process automation panels.
System Integration & Compatible Parts
The CP1W-8ER is designed to work within the OMRON CP1W expansion ecosystem. Compatible and commonly paired components include:
- Host PLCs: OMRON CP1L-L, CP1L-M, CP1H-X, CP1H-XA, CP1H-Y series
- Other CP1W Expansion Units: CP1W-8ED (digital input), CP1W-16ER (16-point relay output), CP1W-AD041 (analog input), CP1W-DA021 (analog output)
- Programming Software: OMRON CX-Programmer, Sysmac Studio
- Communication Units: CP1W-CIF01 (RS-232C), CP1W-CIF11 (RS-422A/485)
Always consult the OMRON CP1W Expansion Unit Installation Guide to confirm maximum expansion unit count and total I/O limits for your specific CP1L/CP1H configuration.
Our Quality Assurance Process
At Konmask.com, every OMRON CP1W-8ER unit undergoes a rigorous multi-stage quality verification process before shipment:
- Authenticity Verification: Units are sourced from authorized channels and verified against OMRON’s genuine product markings, labels, and serial number formats.
- Visual Inspection: Each unit is inspected for physical integrity — connector pins, housing, terminal blocks, and labeling.
- Functional Pre-check: Where applicable, units are bench-tested to confirm basic operational readiness.
- Secure Packaging: Anti-static packaging with moisture protection ensures safe transit to your facility.
- Documentation: Shipments include relevant product documentation and traceability records upon request.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page with your required quantity and delivery timeline.
- Our technical sales team will respond within 1 business day with availability confirmation and a formal quotation.
- Upon order confirmation, we arrange secure packaging and international shipping with full tracking.
- For urgent requirements, please indicate “URGENT” in your inquiry subject line for priority handling.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on industrial control components — PLCs, DCS modules, drives, and automation hardware.
- Global B2B Supply: Serving OEMs, system integrators, and MRO buyers across Asia, Europe, the Americas, and the Middle East.
- Fast Inquiry Response: Dedicated technical sales team with <24-hour response commitment.
- Competitive Pricing: Direct sourcing relationships enable us to offer market-competitive pricing on genuine parts.
- Reliable Logistics: Partnerships with DHL, FedEx, and UPS for secure, trackable international delivery.
- After-Sales Support: Technical guidance available post-purchase to assist with installation and integration questions.
Frequently Asked Questions
- Q: Is the CP1W-8ER compatible with OMRON CP1E PLCs?
- A: No. The CP1W expansion units are designed for the CP1L and CP1H series. The CP1E uses a different expansion connector and is not compatible with CP1W units. Please verify your PLC model before ordering.
- Q: How many CP1W-8ER units can I connect to a single CP1L PLC?
- A: The maximum number of expansion units depends on the specific CP1L model. Refer to the OMRON CP1L hardware manual for the maximum expansion unit count and total I/O point limits for your configuration.
- Q: What is the lead time for the CP1W-8ER?
- A: Lead time varies by stock availability. Please submit an inquiry and our team will confirm current stock status and estimated delivery timeline within 1 business day.
- Q: Do you provide a warranty on OMRON CP1W-8ER units?
- A: Yes. All units supplied by Konmask.com are covered by our quality assurance guarantee. Please contact support@konmask.com for warranty terms specific to your order.
- Q: Can I request a datasheet or technical documentation?
- A: Yes. Contact us at support@konmask.com and our team will provide the relevant OMRON technical documentation for the CP1W-8ER.
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