Emerson Quantum MP User Manual page 159

High performance dc drive size 1 and size 2 45a to 700a, 480v two or four quadrant operation
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Safety
Product
Mechanical
Information
Information
Installation
Trip
Drive encoder trip: Position feedback selected is selected from a Solutions Module slot which does not have a speed /
EnC9
position feedback Solutions Module installed
197
Check setting of Pr 3.26 (Fb01, 0.71) (or Pr 21.21 if the second motor parameters have been enabled)
EnC10
Drive encoder trip: Termination overload
198
If the voltage from the encoder is >5V, then the termination resistors must be disabled (Pr 3.39 to 0)
Et
External trip
Check terminal 31 signal
Check value of Pr 10.32
6
Enter 12001 in Pr xx.00 and check for parameter controlling Pr 10.32
Ensure Pr 10.32 or Pr 10.38 (=6) are not being controlled by serial comms
FbL
No feedback from the tachgenerator or encoder
If the difference between the estimated speed (Pr 5.04) and the actual speed feedback (Pr 3.02 (di05, 0.40)) exceeds the value set
in the speed feedback loss window (Pr 3.56) the drive will trip Feedback loss. With fast acceleration rates in applications with low
load intertia estimated speed (Pr 5.04) may not track the actual speed feedback (Pr 3.02 (di05, 0.40)) fast enough and the speed
feedback loss window (Pr 3.56) may need to be increased.
159
Check the feedback device is connected correctly
Check motor name plate values have been entered into the drive correctly
Check the speed feedback in estimated speed mode - refer to running a motor section checking speed feedback
Carry out a rotating autotune
Fbr
The polarity of the feedback tachgenerator or encoder is incorrect
160
Check that the feedback devices are connected correctly
FdL
No current in the field supply circuit
Check that the field controller (Pr 5.77 (SE12, 0.33)) is enabled.
168
For the internal field controller check terminals L11, L12 are closed
Check internal auxiliary fuses, refer to section 4.9.3 Internal auxiliary fuses on page 42
FOC
Excess current detected in field current feedback
Maximum current feedback is present
Check Field rated current (Pr 5.70 (SE10, 0.31)) and Field rated voltage (Pr 5.73 (SE11, 0.32)) are set correct to motor nameplate
169
Check for short circuit on field circuit cabling
Check integrity of motor insulation
2
F.OVL
Field I
t overload
157
See Pr 5.81 and Pr 5.82
HF01
Data processing error: CPU address error
Hardware fault - return drive to supplier
HF02
Data processing error: DMAC address error
Hardware fault - return drive to supplier
HF03
Data processing error: Illegal instruction
Hardware fault - return drive to supplier
HF04
Data processing error: Illegal slot instruction
Hardware fault - return drive to supplier
HF05
Data processing error: Undefined exception
Hardware fault - return drive to supplier
HF06
Data processing error: Reserved exception
Hardware fault - return drive to supplier
HF07
Data processing error: Watchdog failure
Hardware fault - return drive to supplier
HF08
Data processing error: Level 4 crash
Hardware fault - return drive to supplier
HF09
Data processing error: Heap overflow
Hardware fault - return drive to supplier
HF10
Data processing error: Router error
Hardware fault - return drive to supplier
Quantum MP User Guide
Issue: A4
Electrical
Getting
Basic
Installation
Started
parameters
www.emersonct.com
Running
SMARTCARD
Optimization
the Motor
Operation
Diagnosis
Onboard
Advanced
Technical
Diagnostics
PLC
Parameters
Data
UL
Information
159

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