Turn any computer into an energy data acquisition system with SeaI/O RS-232 DAQ devices. SeaI/O extends traditional RS-232 point-to-point communications to allow control of up to 247 devices from a single serial port.
| Model | Description |
| 410S | RS-232 Modbus RTU to 16 Isolated Inputs / 16 Reed Relay Outputs |
| 420S | RS-232 Modbus RTU to 16 Isolated Inputs / 8 Form C Relay Outputs |
| 430S | RS-232 Modbus RTU to 32 Isolated Inputs |
| 440S | RS-232 Modbus RTU to 32 Reed Relay Outputs |
| 440S-OEM | RS-232 Modbus RTU to 32 Reed Relay Outputs |
| 450S | RS-232 Modbus RTU interface to 16 Form C Relay Outputs |
| 450S-OEM | RS-232 Modbus RTU Interface to 16 Form C Relay Outputs |
| 462S | RS-232 Modbus RTU Interface to 16 Form C Relay Outputs |
| 462S-KT | RS-232 Modbus RTU Interface to 96 Channel TTL Digital Interface Kit - 462S + (2) CA237 Cables |
| 463S | RS-232 Modbus RTU Interface to 96 Channel TTL Digital Interface |
| 470S | RS-232 Modbus RTU to 16 A/D, 2 D/A, 8 Open-Collector Outputs, 8 Isolated Inputs Multifunction Module |
| 520S | RS-232 Modbus RTU Interface to 8 Isolated Inputs / 8 High-Current Form C Relay Outputs |
| 530S | RS-232 Modbus RTU to 16 Isolated Inputs / 16 Open-Collector Outputs |
| 540S | RS-232 Modbus RTU to 32 Open-Collector Outputs |
| 570S | RS-232 Modbus RTU to 8 16-bit A/D, 8 Isolated Inputs, 8 Form C Relay Outputs Multifunction Module |
