Filter
Top Products
6-18 Programming MN792
Diagnostics This function block is used to monitor the status of the drive, internal variables, and its inputs and outputs.
1 DIAGNOSTICS
Speed Demand
Speed Feedback
Speed Error
Speed Loop Output
Current Demand
Current Feedback
Current FBK AMPS
IaFBK Unfiltered
IaDemand Unfiltered
POS I Clamp
NEG I Clamp
Actual POS I LIM
Actual NEG I LIM
Inverse Time Output
At Current Limit
At Zero Speed
At Zero Setpoint
At Standstill
Ramping
Program Stop
Coast Stop
Drive Start
Drive Enable
Diagnostics
Speed Feedback [207] 0.06%
Speed Error [297]
Current Demand [299]
Current Feedback [298]
POS I Clamp [87]
NEG I Clamp [88]
Actual POS I Limit [67]
Actual NEG I Limit [61]
-100.0%
100.0%
-100.0%
100.0%
0.00%
0.00%
0.06%
Drive Start [82] OFF
Drive Enable [84]
Field I Feedback [300]
TACH Input (B2) [308]
Encoder [206]
0 RPM
0.2%
0.0%
Disabled
Operating Mode
Field Enable
Field Demand
Field I FBK
Field I FBK AMPS
UNFIL Field FBK
Field Firing Angle
ANIN1 (A2)
ANIN2 (A3)
ANIN3 (A4)
ANIN4 (A5)
ANIN5 (A6)
ANOUT 1 (A7)
ANOUT 2 (A8)
Start (C3)
Digital Input C4
Digital Input C5
DIGIN 1 (C6)
DIGIN 2 (C7)
DIGIN 3 (C8)
DIGOUT 1 (B5)
DIGOUT 2 (B6)
DIGOUT 3 (B7)
Raise/Lower Output
PID Output
PID Clamped
PID Error
Setpoint Sum Output
Ramp Output
Speed Setpoint
Terminal Volts
Back EMF
TACH Input (B2)
Raw TACH Input
Encoder
Raw Encoder RPM
Raw Speed Feedback
Raw Speed Error
Contactor Closed
Health LED
Ready
Drive Running
System Reset
Drive Running [376]
Contactor Closed [83]
Parameter Descriptions
Speed Feedback (Also set in Speed Loop Parameters)
Speed loop feedback. The speed feedback value from the source selected by Speed Feedback
Select [47].
Range: xxx.xx %
Speed Error (Diagnostics only)
Speed Loop Error.
Range: xxx.xx %
Current Demand (Diagnostics only)
Current Loop Demand (speed error PI output or external current demand clamped by all the current
limits).
Range: xxx.xx %
Current Feedback (Diagnostics only)
Scaled and filtered armature current.
Range: xxx.xx %
POS. I Clamp (Diagnostics only)
Positive current clamp.
Range: xxx.xx % (h)
NEG. I Clamp (Diagnostics only)
Negative current clamp.
Range: xxx.xx % (h)
ACTUAL POS I LIM (Diagnostics only)
Overall positive current limit value.
Range: xxx.xx % (h)
ACTUAL NEG I LIM (Diagnostics only)
Overall negative current limit value.
Range: xxx.xx % (h)
DRIVE START (Diagnostics only)
Controller start/run command.
Range: 0 : Off
1 : On
Drive Enable (Diagnostics only)
Drive speed and current loop are enabled/quenched.
Range: 0 : Disabled
1 : Enabled
FIELD I FBK (Diagnostics only)
Scaled field current feedback
Range: xxx.xx %
TACH INPUT (B2) (Diagnostics only)
Scaled analog tachogenerator feedback.
Range: xxx.xx % (h)
ENCODER (Diagnostics only)
Encoder speed feedback in RPM.
xxxxx RPM
Speed Demand (shown in Stop Rates block)
Speed loop total setpoint after the ramp–to–zero block.
Range: xxx.xx %
Speed Loop Output (shown in Speed Loop block)
Output from speed loop PI.
Range: xxx.xx %
Current FBK. AMPS (shown in Current Loop block)
Scaled and filtered armature current in Amps. (IA Feedback)
Range: xxx.xx AMPS
IaFBK Unfiltered (shown in Current Loop block)
Scaled armature current.
Range: xxx.xx %
IaDmd Unfiltered (shown in Current Loop block)
Scaled demanded armature current.
Range: xxx.xx %