Aeration and ventilation equipment - Import export

The iGRAIN Relay Output Unit is a control module designed for automatic control of aeration and head space ventilation fans. The unit is controlled from the iGRAIN Dashboard Manager or control board via RS485 MODBUS. Each unit has 8 relays with NO (Normally Open) and NC (Normally Closed) relay contacts and the status of each relay is indicated with a diode. Each relay unit can be set to an individual address and be installed remotely where the aeration power relays are located. The unit is normally only used for aeration control if there is no PLC/SCADA system available. Advantages • Status and control by iGRAIN Dashboard Manager • Easy control board mount • Operates in either manual or automatic mode via the aeration control software