Malfunctions with Indications
2-19
Faults VP-31 through VP-39 are reported in parameter 101 “Drive Fault”
when parameter 630 “Fault Report” is set to a value of 0. The bit
assignments for parameter 101 are given in ( ) where applicable. See Fault
Type Selection.
VP-22
Handshake With
CP (Hard)
(Parameter 101
bit 12 when
Parameter
630=1)
Internal communication between processors has
malfunctioned. A coast stop will be initiated.
Execute System RESET or cycle power and attempt normal
operation. If the malfunction reoccurs, replace Main Control
Board.
VP-23
SP Mode
Request Not
Honored (Hard)
(Parameter 101
bit 13 when
Parameter
630=1)
Internal communication between processors has
malfunctioned. A coast stop will be initiated.
Execute System RESET or cycle power and attempt normal
operation. If the malfunction reoccurs, replace Main Control
Board.
VP-24
CP Not In VP
Requested Mode
(Hard)
(Parameter 101
bit 14 when
Parameter
630=1)
Velocity
Processor Faults
Internal communication between processors has
malfunctioned. A coast stop will be initiated.
Execute System RESET or cycle power and attempt normal
operation. If the malfunction reoccurs, replace Main Control
Board.
Velocity Processor Faults
No.
Name
Description
Recovery
Velocity Processor Faults
No.
Name
Description
Recovery
VP-31
Arm Bridge
Overload Trip
(Selectable)
(Parameter 101
bit 5 when
Parameter
630=0)
Current
Processor Faults
This fault occurs when the armature current output
exceeds the predetermined overload curve
characteristics. Armature bridge thermal overload
protection is based on an inverse time, armature
current product. The coefficients are based on
150% for 60 seconds, 200% for 10 seconds, and
260% of armature bridge rating for 5 seconds. This
fault is type selectable as either Soft or Warning. A
Soft Fault selection will cause a controlled stop to
be initiated.
Determine the cause of the increased load, which resulted
in excessive armature current output, and correct. Verify that
the field is functioning properly. Without proper field, the
torque output may be insufficient even at high armature
current levels. Verify that the drive and motor is properly
sized for the application. Execute a Clear Fault and continue
operation.
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