AVA S20.31 Smart Compact Electric Actuator – RS485 Modbus

SKU: AVA-S20.31


IP67 Compact RS485 Modbus Electric Actuator
• A bright external 1.3” OLED screen, shows the Baud rate, ID/address, valve opening and its external control commands in real time.
• Smart Bus actuator operates the same as the Smart On/Off series.
• All external electrical connections are via the pre-installed cable.
• The menu can change the unit’s ID /address and Baud rate at any time through the pushbutton interface, no PC is required so it is extremely convenient to use.
• Menu operation can switch freely between remote-control and local-control setting
• The RS485 bus supports isolated type and non-isolated type control, to enable more complex configurations
• The RS485 bus support up to 115200 baud rate – this factory default is 9600
• External pushbuttons for local control and setting adjustments
• Emergency mechanical manual override
• Local visual and remote electrical position confirmation
• F03, F04 and F05 ISO5211 mounting, 14mm star drive
• Manufactured to ISO9001 standards


The AVA range of RS485 Modbus industrial weatherproof reversible electric actuators offer surprisingly high torque capability from a very compact housing, making them ideal in most applications, but particularly where space is limited.

Employing local controls via a bright external OLED screen and push buttons, the AVA RS485 Modbus actuator offers many innovative solutions to create a very user-friendly actuator to mount, commission, connect and operate.

You can buy all your AVA RS485 Modbus electric actuators and AVA RS485 Modbus actuated valves online at AVS.

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