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Configurable I/O Application Functions
AO and AO1 analog output application functions
The analogue outputs AO and AO1 are the output currents of AOL (mA) and AOH (mA),
• AOL and AOH being configurable from 0 to 20 mA.
Motor current
(Code OCR) : the image of the motor rms current.
• AOH corresponds to twice the nominal speed controller current.
• AOL corresponds to zero current.
Motor frequency
(Code OFR) : the motor frequency estimated by the speed controller.
• AOH corresponds to the maximum frequency (parameter tFr).
• AOL corresponds to zero frequency.
Ramp output
(Code ORP) : the image of the ramp output frequency.
• AOH corresponds to the maximum frequency (parameter tFr).
• AOL corresponds to zero frequency.
Motor torque
(Code TRQ) : the image of the motor torque as an absolute value.
• AOH corresponds to twice the nominal motor torque.
• AOL corresponds to zero torque.
Signed motor torque
(Code STQ) : the image of the motor torque and direction :
• AOL corresponds to a braking torque = twice the nominal torque
• AOH corresponds to a motor torque = twice the nominal torque.
• AOH + AOL corresponds to zero torque.
Signed ramp
(Code ORS): the image of the ramp output frequency and direction.
• AOL corresponds to the maximum frequency (parameter tFr) in the reverse direction.
• AOH corresponds to the maximum frequency (parameter tFr) in the forward direction.
• AOH + AOL corresponds to zero frequency.
PI setpoint
(Code OPS): the image of the PI regulator setpoint
• AOL corresponds to the minimum setpoint.
• AOH corresponds to the maximum setpoint.
PI feedback
(Code OPF): the image of the PI regulator feedback
• AOL corresponds to the minimum feedback.
• AOH corresponds to the maximum feedback.
PI error
(Code OPE) : the image of the PI regulator error as a % of the sensor range (maximum feedback
– minimum feedback)
• AOL corresponds to the maximum error < 0
• AOH corresponds to the maximum error >0
• AOH + AOL corresponds to null error (OPE = 0)
Examples AOL - AOH : 0 - 20 mA
4 - 20 mA
20 - 4 mA
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GP_ATV58_EN.fm Page 101 Mardi, 2. avril 2002 6:09 18