The Allen Bradley 1734-IB4D Digital Input Module is a four-point I/O module designed to monitor and process 24V DC input signals with integrated diagnostics. This used module is an excellent choice for industrial automation systems, offering reliable performance and real-time feedback to ensure smooth operation. Its compact design allows for easy integration into POINT I/O systems, making it suitable for various distributed control applications where precise and dependable input monitoring is critical.

The Allen Bradley 1746-OB16E/B is a reliable digital output module designed for the SLC 500 series. As a used module, it provides a cost-efficient option for expanding the output capabilities of your programmable logic controller (PLC) system. This 16-point output module supports a range of industrial automation applications and is built to handle demanding environments with consistent performance.

This listing is for a USED Allen-Bradley 1794-IV16. It is designed for digital input control in Flex I/O systems. This unit is categorized as a PLC I/O module and includes the following capabilities: 16-point DC input, 24V DC voltage rating, and compatibility with Allen-Bradley Flex I/O systems.

This listing is for a USED SIEMENS 6ES7 138-4FR00-0AA0.

This is a SIMATIC ET200S F-RO relay output module designed for safety-related applications. It features two normally open relay outputs, supports 24V DC logic, and handles load voltages from 24 to 230V AC/DC up to 5A. Fits a 30 mm slot in ET200S backplanes.

See photos for details.

Part No: 6ES7 138-4FR00-0AA0
Type: ET200S F-RO Relay Output Module
Condition: USED
Logic Voltage: 24V DC
Load Voltage: 24–230V AC/DC
Max Current: 5A
Channels: 2× NO
Please message us with any questions.