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OMRON CJ1W-SCU32 Serial Communications Unit for CJ1 Series PLCs
Product Introduction
The OMRON CJ1W-SCU32 is a high-performance Serial Communications Unit designed for the CJ1 Series of Programmable Logic Controllers. This versatile module provides two independent serial ports, enabling your PLC to communicate simultaneously with a wide array of industrial devices such as barcode readers, weigh scales, servo drives, HMIs, and other PLCs.
It supports multiple protocols—including Host Link, NT Link (1:1/N:N), Serial Gateway, and Toolbus—without requiring ladder logic, streamlining integration and reducing development time. The unit’s programmability with dedicated communications instructions allows for the creation of custom protocols, offering maximum flexibility for complex and specialized applications. The CJ1W-SCU32 is the ideal solution for robust and reliable serial data transfer in demanding automation environments.
Product Data & Attributes Table
| Attribute Category | Specification Details |
|---|---|
| Model Name | CJ1W-SCU32 |
| Product Type | Serial Communications Unit |
| Compatible PLC Series | OMRON CJ1 Series |
| Number of Ports | 2 independent ports |
| Supported Protocols | Host Link, NT Link (1:1, N:N), Serial Gateway, Toolbus, No Protocol (programmable) |
| Baud Rate | 115.2 kbps max (switch selectable per port: 2.4/9.6/19.2/38.4/57.6/115.2 kbps) |
| Serial Interface | RS-232C x 2, or RS-422A/485 x 2 (selected via DIP switch per port) |
| Data Bits | 7, 8 (switch selectable) |
| Stop Bits | 1, 2 (switch selectable) |
| Parity | Even, Odd, None (switch selectable) |
| Communications Mode | Full-duplex (RS-232C), Half-duplex (RS-422A/485) |
| Isolation | Photocoupler isolation between all ports and PLC bus |
| Current Consumption | 5V DC, 0.42A (from PLC backplane) |
| Unit Weight | Approx. 200 g |
| Standards & Certifications | cULus, CE, KC |
- Over 300,000 products in stock
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