Omron CJ1W-DRM21 DeviceNet Master/Slave Communication Unit

£901.55 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsOmron
Model CJ1W-DRM21 Omron
Product Type DeviceNet Communication Unit
Series CJ1W
Mounting Type DIN rail (CJ-series backplane)
Bus Type CPU Bus Unit
Communication Type DeviceNet Master and Slave
Dimensions (W × H × D) 31 × 90 × 78.7 mm
Communication Port(s) 1
Supported Communication Modes Cyclic, Polling, Bit-Strobe, Change-of-State
Degree of Protection IP20 (when mounted in enclosure)
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SKU: CJ1W-DRM21 Category: Tag: Brand:
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Omron CJ1W-DRM21 DeviceNet Master/Slave Communication Unit

The Omron CJ1W-DRM21 is a robust DeviceNet Master/Slave communication unit designed for seamless integration within the CJ-series modular PLC platform . Operating on the CJ I/O bus and mounted via CPU Bus Unit interface, it enables high-speed, reliable communication across DeviceNet networks with a single port supporting master or slave configurations.

Technical Specifications

Model CJ1W-DRM21 Omron
Series CJ1W
Product Type DeviceNet Communication Unit
Mounting Type DIN rail (CJ-series backplane)
Bus Type CPU Bus Unit
I/O System CJ I/O Bus
Weight (Unpacked) 120 g
Dimensions (W × H × D) 31 × 90 × 78.7 mm
Degree of Protection IP20 (when mounted in enclosure)

Communication Specifications

Communication Type DeviceNet Master and Slave
Communication Port(s) 1
Supported Communication Modes Cyclic, Polling, Bit-Strobe, Change-of-State
Baud Rates 125 kbps, 250 kbps, 500 kbps
Max Network Nodes 63
Max Slaves (as Master) 63 devices
Connection Method Open-style terminal block (removable)
Addressing DIP switch or software-configurable

I/O & System Integration

Compatible PLCs Omron CJ1, CJ2, and CS1 series
Network Topology Bus, tree, trunk-line/branch-line
Power Supply for DeviceNet Bus External (not powered by unit)
Error Detection CRC, timeout, disconnect detection
Isolation Optical isolation between internal and DeviceNet lines
Configuration Tool CX-Integrator (Omron software)

Environmental & Mechanical

Operating Temperature 0 to 55°C
Storage Temperature –25 to 70°C
Humidity (Operating) 10–90% RH (non-condensing)
Shock Resistance IEC 60068-2-27
Vibration Resistance IEC 60068-2-6
Altitude Up to 2000 m
Cooling Method Natural convection

Frequently Asked Questions

How can I check whether CJ1W-DRM21 is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can CJ1W-DRM21 be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 0.12 kg

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