Angle sensor produces drive to right wrongs
An
Assemtech Europe product story
Edited by the Engineeringtalk editorial team
Jul 30, 2003
The ETS90SL is a microprocessor controlled single-axis angle sensor that includes control circuitry to drive a DC motor up to a maximum of 4A.
The ETS90SL is a microprocessor controlled single-axis angle sensor that includes control circuitry to drive a DC motor up to a maximum of 4A.
The sensor detects the angle of tilt and provides a PWM output drive to a motor.
The PWM ratio is proportional to the angle offset from a preset level.
The further away from the preset angle the more power is given to the motor drive.
The default preset level is zero degrees but this angle is fully configurable by the customer to any angle between +/-20 degrees.
Once the angle has returned to the preset level then the drive to the motor is turned off.
Safety features include a high power MOSFET output drive for controlling external equipment, such as a solenoid.
Logic control inputs that can be used to immediately turn off the drive to the motor, ie limit and emergency stop switches.
These inputs may either turn on or turn off the motor drive as configured by the customer using the RS232 interface.
Default turns motor off.
The ETS90SL has been designed to be extremely flexible and there are many extra features that can be provided as a customised option.
For example, a simple row of LEDs provides a spirit level function, which can be used for setting up the ETS in situ.
Applications include: automatic self levelling of medical and engineering equipment; closed loop control systems, enabling equipment to be maintained at a preset level; and alarm control systems.
Assemtech has full in-house facilities to produce cabling to customer specific requirements.
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