Omron CJ1W-SCU21-V1 Serial Communications Unit In Stock
Serial Communications Unit, 2x RS-232C ports, max baud rate 115.2 kbps, Protocol Macro function, Host Link (no-protocol) mode, Serial Gateway function, 4,096 bytes send/receive buffer per port, mounts on DIN rail.
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Key Features and Technical Specifications
This powerful module adds two RS232C ports to your Omron CJ-series controller. It creates a strong serial communications link for all your equipment. You can easily connect to barcode readers, printers, sensors, and more. This unit makes your automation system smarter and faster.
| Specification | Details |
|---|---|
| Product Model | CJ1W-SCU21-V1 |
| Product Type | CJ-series Serial Communications Unit |
| Number of Ports | 2 |
| Port Interface | EIA RS-232C |
| Max. Baud Rate | 115.2 kbps |
| Communication Modes | Host Link, No-protocol, Protocol Macro, Serial Gateway |
| Power Supply | Supplied from CPU Bus (5 VDC) |
| Current Consumption | 0.40 A |
| Compatible PLC Series | CJ-series (e.g., CJ1, CJ2M) |
High-Speed Serial Communications That Enable External Device Link
The Omron CJ1W-SCU21-V1 is one of the serial communications units that enable high-speed connections with external devices. This module lets your main PLC controller talk quickly with other equipment. A faster data link means less waiting and more production.
This unit helps you connect to a wide range of devices. Think of barcode scanners on a conveyor, temperature controllers, or even sending data to an HMI like the Omron NB7W-TW01B HMI. The high-speed performance ensures that no instruction is missed and there are no delays. This makes your entire automation process more efficient and reliable.
Flexible Protocol Control with this Omron Communication Unit
The CJ1W-SCU21-V1 solves this problem. It features a powerful “Protocol Macro” function. This lets you create a custom protocol to communicate with almost any serial device. You can build a specific command and instruction set to get the exact data you need.
If you need a simpler method, the unit also has a no-protocol or “Host Link” mode. In this mode, the unit can easily send and receive information without complex setup. This flexibility makes the Omron communication unit a top choice for system integrators. It gives you full control over your data exchange.
Easy Integration with Your PLC Controller System
The CJ1W-SCU21-V1 is designed to integrate perfectly with the Omron CJ-series PLC family. It mounts easily on a DIN rail right next to your CPU Unit. The module connects directly to the CPU bus, which means setup is fast and simple.
Because it’s part of the Omron Sysmac platform, it works well with other components. It is a great match for a powerful CPU like the Omron CJ2M-CPU31 CPU Unit. You can manage the serial port settings directly from your PLC program. This makes it a true “plug-and-play” solution for expanding your system’s capabilities.
Omron CJ1W-SCU21-V1 Product Datasheet
Frequently Asked Questions
The main difference is the port type. The CJ1W-SCU21-V1 has two RS-232C ports. The CJ1W-SCU41-V1 has two RS-422/485 ports. You should choose the module that matches the device you need to connect.
Yes, the CJ1W-SCU21-V1 is fully compatible with the Omron CJ2M series CPU Unit as well as other CJ-series controllers. It will work as an expansion unit on the rack.
You can connect many devices, such as barcode readers, modems, printers, measurement instruments, and other controllers that use serial communication. It’s also often used to connect to a PC or HMI for data logging.
We maintain a large stock of this product. In most cases, we can pack and ship your order for global delivery within 24 hours. Contact us for a precise delivery timeline to your location.
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