Home > RS-232 Modbus RTU interface to 32 open-collector outputs available from Allied Data Systems

RS-232 Modbus RTU interface to 32 open-collector outputs available from Allied Data Systems

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article image RS-232 Modbus RTU interface

Sealevel Systems Inc. represented in Australia by Allied Data Systems introduces the SeaI/O-540S, an RS-232 Modbus RTU interface to 32 open-collector outputs.  

The open-collector outputs provide high current sinking over a large operating voltage. Each open-collector output circuit includes a flyback diode for protection when interfacing highly inductive loads such as DC motors.  

Outputs are grouped in eight-bit ports, which share high and low voltage contacts via 3.5mm terminal blocks.  

Key features of SeaI/O-540S: 

  • RS-232 Modbus RTU interface 
  • 32 open collector outputs 
  • Removable screw terminals simplify field wiring 
  • Input power via terminal block or modular connector 
  • Optional DIN rail or table mount 
  • Sealevel software supports Windows and Linux operating systems

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