Omron CompoNet Master Unit CJ1W-CRM21 In Stock
CompoNet Master Unit, max. 2,000 I/O points, communicates with 64 slave units max., selectable baud rates (4 Mbps, 3 Mbps, 1.5 Mbps, 93.75 kbps), connects to CJ-series PLC CPU via the rack backplane.
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Key Features and Technical Specifications
This high-speed CompoNet Master unit simplifies your wiring and boosts communication speed, making your entire system more efficient. This powerful product reduces complexity, lowers installation costs, and improves the performance of your automation system.
| Specification | Details |
|---|---|
| Product Name | OMRON CJ1W-CRM21 CompoNet Master Unit |
| Network Type | CompoNet |
| Max. Number of Slaves | 64 Units |
| I/O Capacity | Master: 32 words (512 points), Slave: 32 words (512 points) |
| Max. I/O Points | 2,000 points (total for network) |
| Communication Speed | 4 Mbps, 3 Mbps, 1.5 Mbps, 93.75 kbps (selectable) |
| Mounting | CJ-series PLC Rack |
| Current Consumption | 0.38 A at 5 VDC |
Effortless Network Control with the CompoNet Master Unit
As a specialized field network master, it’s designed for high-speed I/O control. This powerful unit allows you to manage many simple devices like sensors and actuators over a single network.
This product simplifies your machine design. Instead of running separate wires for every sensor, you use one CompoNet cable. This saves time, reduces errors, and makes maintenance much easier. For complex systems, you can pair this master with other I/O modules like the Omron CJ1W-ID211 for digital inputs or the Omron CJ1W-OC211 for digital outputs to build a complete control solution.
Why Choose the OMRON CJ1W-CRM21 CompoNet Master?
Choosing the OMRON CJ1W-CRM21 means you’re investing in a proven platform. Its fast communication cycle is ideal for applications requiring quick responses, from basic I/O to more complex motion control tasks. This master unit ensures that your system’s safety and performance are never compromised. It’s not just a component; it’s a foundation for a better automation system.
Master Units Increase the Range of Applicability for Sensors and Actuators
One of the biggest advantages of a CompoNet network is its flexibility. The CJ1W-CRM21 master units increase the range of devices you can easily connect. This ability to increase the range of applicability is crucial in today’s factories where systems need to adapt. You are no longer limited by the number of I/O slots on your PLC.
Seamless Integration into Your CJ-Series Automation System
The CJ1W-CRM21 is designed to work perfectly with the OMRON CJ-series PLC family. As a CJ1W-CRM21 CJ-series CompoNet Master, it mounts directly onto a CJ-series backplane, drawing power and communicating with the CPU without any extra wiring. This plug-and-play design makes installation and configuration a breeze.
Omron CJ1W-CRM21 Product Datasheet
Frequently Asked Questions
A CompoNet Master Unit, like the OMRON CJ1W-CRM21, is the central controller for a CompoNet field network. It manages all communication between the PLC and the connected devices (slaves), such as sensors, actuators, and I/O blocks.
You can connect up to 64 CompoNet slave units to a single CJ1W-CRM21 master. The network can support a total of 2,000 I/O points, making it suitable for both small and large applications.
Not at all. The CJ1W-CRM21 mounts directly onto a CJ-series PLC rack. Configuration is done through OMRON’s standard software, which provides an intuitive interface for setting network parameters and registering slave devices. This makes setup quick and easy.
While designed for the CJ-series, the principles of CompoNet are widely used. For the latest systems, you might consider controllers with built-in fieldbus ports, such as the powerful modern OMRON controllers like the NX1P2, which offer integrated solutions for modern automation needs.
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