6-24
Programming Your Application
590+ Series DC Digital Converter
DIAGNOSTICS
The MMI DIAGNOSTICS Menu
Many more signals can be monitored using the MMI display. The diagnostic parameters are
"read-only" and are very useful for tracing configuration problems.
Parameter
Tag
Range
SPEED DEMAND
89
XXX
.
XX
%
Speed loop total setpoint after the ramp-to-zero
block.
(Refer to
STOP RATES
, page 6-83)
SPEED FEEDBACK
207
XXX
.
XX
%
Speed loop feedback.
(Refer to
SPEED LOOP
, page 6-72)
SPEED ERROR
297
XXX
.
XX
%
Speed loop error.
(Refer to
SPEED LOOP
, page 6-72)
SPEED LOOP OUTPUT
356
XXX
.
XX
%
Output from speed loop PI.
(Refer to
SPEED LOOP
, page 6-72)
CURRENT DEMAND
299
XXX
.
XX
%
Current loop demand (speed error PI output or
external current demand clamped by all the current
limits).
(DIAGNOSTIC only)
CURRENT FEEDBACK
298
XXX
.
XX
%
Scaled and filtered current feedback.
(DIAGNOSTIC only)
IA FEEDBACK (AMPS)
538
XXX
.
XX
AMPS
Scaled and filtered armature current in Amps.
(Refer to
CURRENT LOOP
,
page 6-19)
IA FEEDBACK
65
XXX
.
XX
%
Scaled current feedback (unfiltered).
(Refer to
CURRENT LOOP
page 6-19)
IA DEMAND
66
XXX
.
XX
%
Scaled current demand (unfiltered).
(Refer to
CURRENT LOOP
page 6-19)
POS I CLAMP
87
XXX
.
XX
%
Positive current clamp.
(DIAGNOSTIC only)
NEG I CLAMP
88
XXX
.
XX
%
Negative current clamp.
(DIAGNOSTIC only)
ACTUAL POS I LIM
67
XXX
.
XX
%
Overall positive current limit value.
(DIAGNOSTIC only)
ACTUAL NEG I LIM
61
XXX
.
XX
%
Overall negative current limit value.
(DIAGNOSTIC only)
INVERSE TIME O/P
203
XXX
.
XX
%
Inverse time clamp output level.
(Reference to
INVERSE TIME
-
reserved menu)
AT CURRENT LIMIT
42
FALSE / TRUE
Current demand is being restrained by the overall
current clamp.
(Refer to
CURRENT LOOP
page 6-19)
AT ZERO SPEED
77
FALSE / TRUE
At zero speed feedback.
(Refer to
STANDSTILL
page 6-81)
AT ZERO SETPOINT
78
FALSE / TRUE
At zero speed demand.
(Refer to
STANDSTILL
page 6-81)
AT STANDSTILL
79
FALSE / TRUE
AT ZERO SPEED and AT ZERO SETPOINT.
(Refer to
STANDSTILL
, page 6-81)