I/O Expansion Modules

Expand the number of discrete I/O points of your SCADA Servers and Web Servers

VS-DAIO: Analog and Digital Expansion Module

The VS-DAIO is a multi-purpose expansion module that can be connected via a RS485 Modbus RTU Master to add the following inputs and outputs:

  • 2 Voltage (0-10V) / Current (0-20mA) Inputs
  • 2 RTD Inputs (PT100, Ni120, PT1000, Ni1000, Resistance)
  • 1 Voltage (0-10V) or Current (0-20mA) Output
  • 4 Digital Inputs
  • 2 Digital Outputs

VS-8AIV: Analog Expansion Module

The VS-8AIV is an analog expansion module that can be connected via a RS485 Modbus RTU Master to add the following inputs:

  • 8 Analog Voltage Inputs (0-10V)

VS-8DIO: Digital Expansion Module

The VS-8DIO is a digital expansion module that can be connected via a RS485 Modbus RTU Master to add the following inputs and outputs:

  • 8 Digital Inputs
  • 8 Digital Outputs (Open Collector)

VS-4RO: Relay Expansion Module

The VS-4RO is a relay expansion module that can be connected via a RS485 Modbus RTU Master to add the following outputs:

  • 4 Relay Outputs

VS-6RTD: RTD Expansion Module

The VS-6RTD is a RTD expansion module that can be connected via a RS485 Modbus RTU Master to add the following inputs:

  • 6 RTD Inputs (2- or 3-wire, PT100, Ni120, PT1000, Ni1000, Resistance)

VS-8AIIS: Analog Expansion Module

The VS-8AIIS is an analog expansion module that can be connected via a RS485 Modbus RTU Master to add the following inputs:

  • 8 Current (0/4-20mA) isolated Inputs