Modbus RTU data acquisition module with 16 relay outputs and 16 photoelectric isolation inputs is widely used in building, HVAC, fire protection, water supply, petrochemical, environmental protection and other industries. It is used by most system integrators, automation companies and research institutes. It is a stable and reliable data acquisition module.

The functions supported are as follows:

• 16 photoelectric isolation digital input and 16 relay digital output

• RS485 Modbus RTU standard communication is adopted, which can be networking with PLC

• 16 channel input status indicator

• The power supply circuit adopts anti reverse connection design

• It is widely used in signal acquisition and control of industrial field equipment

• The upper computer can set module parameters to save