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Programming Your Application
6-27
590+ Series DC Digital Converter
DIAGNOSTICS
Parameter
Tag
Range
PID OUTPUT
417
xxx.xx%
Output of the PID function block.
(Refer to
PID
, page 6-55)
PID CLAMPED
416
FALSE / TRUE
Indicates the PID output has reached either the
positive or negative limit.
(Refer to
PID
, page 6-55)
PID ERROR
415
xxx.xx%
Displays the difference between the setpoint
(INPUT 1) and the feedback signal (INPUT 2) in
the PID function block.
(Refer to
PID
, page 6-55)
SPT SUM OUTPUT
86
xxx.xx%
Setpoint summation output.
(Refer to
SETPOINT SUM 1
,
page 6-68)
RAMP OUTPUT
85
xxx.xx%
Setpoint ramp output.
(Refer to
RAMPS
, page 6-63)
SPEED SETPOINT
63
xxx.xx%
Speed loop total setpoint including the ramp output
before the ramp-to-zero function.
(Refer to
SPEED LOOP
, page 6-72)
TERMINAL VOLTS
57
xxx.x%
Scaled armature terminal volts.
(Refer to
CALIBRATION,
page 6-14)
BACK EMF
60
xxx.x%
Calculated motor back EMF including IR.
compensation. (Armature Volts Feedback)
(Refer to
CALIBRATION,
page 6-14)
ARM VOLTS FBK
605
xxxV
Back EMF scaled by NOM MOTOR VOLTS
(CALIBRATION function block).
TACH INPUT (B2)
308
xxx.x%
Scaled analog tachogenerator feedback.
(DIAGNOSTIC only)
UNFIL.TACH INPUT
58
xxx.xx%
Analog tachogenerator feedback (unfiltered).
(Refer to
CALIBRATION
,
page 6-14)
ENCODER
206
xxxxx RPM
Encoder speed feedback in RPM.
(DIAGNOSTIC only)
UNFIL.ENCODER
59
xxxxx RPM
Encoder speed feedback in RPM (unfiltered).
(Refer to
CALIBRATION
,
page 6-14)
UNFIL.SPD.FBK
62
xxx.xx%
Unfiltered speed feedback.
(Refer to
SPEED LOOP
, page 6-72)
UNFIL.SPD.ERROR
64
xxx.xx%
Unfiltered speed error.
(Refer to
SPEED LOOP
, page 6-72)
CONTACTOR CLOSED
83
ON / OFF
Main contactor control signal.
(DIAGNOSTIC only)
HEALTH LED
122
FALSE / TRUE
State of Health LED on Operator Station.
(Refer to
INHIBIT
ALARMS
,
page 6-41)
READY
125
FALSE / TRUE
The drive is ready to accept an enable signal.
(Refer to
INHIBIT
ALARMS
,
page 6-41)