The B&R 7IF321.7 is an electrically isolated RS-485/RS-422 interface module that is network-capable and has a screw-in 9-pin D-type socket. It is discontinued by the manufacturer and was last produced in 2003.

The module can be used for a variety of applications, including:

• Connecting PLCs to remote devices
• Connecting field devices to a control system
• Connecting two or more RS-485/RS-422 networks together

The module has a number of features that make it suitable for industrial applications, including:

• Electrical isolation to protect against ground loops and noise
• Network capability to allow multiple modules to be connected together
• Screw-in 9-pin D-type socket for easy connection to cables

 Description of new and second-hand products:

We assure you that all products are 100% normal before shipment.

The original packaging will be used for new parts.

Some second-hand products will have obvious scratches on the surface.

Second-hand products will be strictly tested before shipment.

The inventory will be changed from time to time. Please contact us before purchasing!