Sealevel SeaI/O RS-232 (Modbus RTU) Data Acquisition Module


The SeaI/O-530S is a RS-232 Modbus RTU interface to 16 optically isolated inputs and 16 open-collector outputs. Inputs can range from 5-30VDC, while 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. Inputs are grouped into four-bit segments. Each group shares a common for easy wiring via removable 3.5mm terminal blocks. Outputs are grouped in eight-bit ports which share high and low voltage inputs.

RS-232 Modbus RTU interface
16 optically isolated inputs
16 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