ATC's I/O module with Modbus protocol is a device that can be used to expand the input/output capabilities of a PLC or other automation system. It typically has a number of digital or analog inputs and outputs that can be used to connect to sensors, actuators, and other devices. The I/O module communicates with the PLC or other system using the Modbus protocol.
They can be used in a variety of applications, including industrial automation, building automation, and process control.
A-10xx RS-485 Digital I/O Module Specifications
A-10xx RS-485 Analog I/O Module Specifications
A-18xx Ethernet I/O Module Specifications
A-1x Remote I/O Module Document Download