Amot EB electric actuators enhance control valves
An
AMOT product story
Edited by the Engineeringtalk editorial team
Oct 30, 2008
The Amot EB electric actuators for G series temperature control valves improve system robustness, safety and compatibility while simplifying installation and calibration.
These actuators have been redesigned for vibration resistance to Lloyds on-engine specification, with the terminal board fitted on anti-vibration mounts to reduce fatigue on electronic components and connections.
They have configurable voltage control inputs to facilitate use with 1-5V and similar control systems.
The position feedback potentiometer has been replaced with a contactless Hall Effect sensor to extend its working life.
An optional potentiometer is available for existing systems compatibility.
To simplify setup, customer wiring is now in a separate terminal box so the actuator lid does not have to be opened during installation.
A simple calibration button, DIP switch configuration for input and motor direction setting and a USB port for each configuration and software-update eliminates the need for a bulky configurator.
A positioner can be retrofitted to basic EB actuators.
The positioner power module has universal mains voltage inputs, removing the need to set a voltage selector switch when installing or replacing power modules.
The mA input and output have been opto-isolated to 3kV, which, with the provision of two opto-isolated alarm outputs, has improved safety and system compatibility.
Three LED status indicators give a clearer indication of operating condition than the previous single LED.
An easy upgrade path to fully functioning CAN-bus is provided by CAN-bus enabled hardware.
Real-time clock hardware with battery backup results in easy add data logging.
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