1 year warranty
The Omron CJ1W-SCU31-V1 is a serial communications expansion module designed for CJ-series programmable logic controllers. This CPU bus unit provides two independent RS-422A/485 communication ports, enabling versatile serial connectivity for industrial automation systems. Each port supports multiple configurable communication modes including Protocol Macro, Host Link, NT Link, Serial Gateway, No-protocol, and Modbus-RTU Slave functionality. The unit facilitates seamless integration with external devices such as HMIs, barcode readers, inverters, sensors, and third-party controllers. It mounts directly to the CJ1, CJ2, or CS1 series PLC CPU rack and supports high-speed data transfer with baud rates up to 115.2 kbps. The module complies with cULus and CE safety standards and features compact dimensions suitable for space-constrained industrial control cabinets.
Item Details
- Brand Name: Omron
- Manufacturer: Omron Automation
- Item Type Name: Serial Communications Unit
- Product Family / Series: CJ-series Serial Communications Units
- Model Number: CJ1W-SCU31-V1
- Unit Type: CJ1 CPU Bus Unit
- Series Compatibility: CJ1, CJ2, CS1
Product Specifications
- number_of_ports: 2
- port_1_interface: RS-422A/485
- port_2_interface: RS-422A/485
- communication_protocols: Protocol Macro, Host Link, NT Link (1:N), Serial Gateway, No-protocol, Modbus-RTU Slave, 1:1 Host Link
- maximum_baud_rate: 115.2 kbps
- supply_voltage: 5 V DC
- current_consumption_5v: 0.31 A
- unit_version: 1.3
Additional Details
- Certifications / Approvals: cULus, CE
- Mounting Type: CPU Bus Unit (left-side of CPU)
- Maximum Mountable Units: Up to 16 Units per CPU Rack (including all CPU Bus Units)
Measurements
- Weight: 110 g (3.88 oz)
- Dimensions: 90 mm × 31 mm × 85 mm (H × W × D)
All PLC Direct products come with a 1-year warranty. The warranty is issued by PLC Direct. Warranty coverage commences at the date of purchase. The warranty is for mechanical defects or failures not caused by human factors including but not limited to (a) incorrect installation, (b) operating the unit in sub-optimal conditions or in scenarios not recommended by the manufacturer, (c) poor unit maintenance, etc. The warranty does not cover programming or software related issues.
If the product is eligible for PLC Direct’s warranty coverage and the customer encounters an issue with the product, we will request the item is shipped to us for diagnosis and examination. Regardless of the cause of product issues, the customer will bear responsibility for the cost of shipping the unit to PLC Direct for evaluation. Where the unit was damaged by human factors, we will offer a repair or replace quote; in cases where damage was caused by human factors, the customer is responsible for the cost of shipping the repaired/replaced unit from PLC Direct to the customer. Where the unit was not damaged by human factors but is covered by PLC Direct’s warranty, we will repair or replace the unit at our cost (or, in rare cases, refund you your purchase); in such cases, PLC Direct will bear the cost of shipping the repaired or replaced product back to the customer. It is up to PLC Direct’s discretion whether to repair, replace, or refund the customer in such cases. Diagnoses can take time to complete based on technician availability and the complexity of diagnosis.
In no event shall PLC Direct be liable for any damages except actual damages up to, but not exceeding, the amount paid to us for the product, including we shall not be liable for any consequential or indirect damages or lost profits whether or not advised of same.
PLC Direct offers free shipping worldwide. Product ship from a various warehouses worldwide based on the customer's and the product's location. The estimated delivery date on the product page is PLC Direct's best estimated assuming a US-based shipping destination.
Regardless of where the product is shipping from, PLC Direct covers all duties for US-based shipping destinations. For non-US-based shipping destinations, customers are responsible for duties as appropriate.
PLC Direct's focus is on balancing price with lead time. Some but not all products can be expedited. If you have questions about delivery ETAs, please contact our team.
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