Rockwell Automation FlexPak 3000 Power Module SW-Version 4.3 - Manual (Page 145)

APPENDIX B
49’1340 e FlexPak 3000 B-41
OCL TYPE3 POSN REG EN (P.814)
Selects the source of the Current Minor Loop reference when the drive is configured as a current
regulator (i.e. when hardware jumper J15 set to CURRENT). When OCL TYPE3 POSN REG EN set to
DISABLED
, TORQUE REFERENCE (P.189) is used as the CML reference. When set to ENABLED,
OCL OUTPUT (P.848) is used as the CML reference.
Parameter Range: 1 = DISABLED
2 = ENABLED
Default Setting: 1 = DISABLED
Parameter Type: Boolean input, retentive, configurable
OIM Menu Path(s): Additional Parameters
OPEN SCR SENSITIVITY (P.600)
Open SCR diagnostic sensitivity adjustment. Unbalanced A-C lines can cause load sharing differences
between SCRs. This parameter should be increased to increase the tolerance of SCR load sharing
differences due to unbalanced lines.
Parameter Range: 0 to 100%
Default Setting: 50%
Parameter Type: Tuneable
OIM Menu Path(s): Current Minor Loop (CML) - SCR Diagnostics
OPEN SCR TRIP THRESH (P.601)
Open SCR trip threshold. Extremely unusual load conditions or severe current loop instability can cause
nuisance open SCR faults. Increasing this input will increase the tolerance of such disturbances.
Parameter Range: 800 to 4000
Default Setting: 1600
Parameter Type: Tuneable
OIM Menu Path(s): Current Minor Loop (CML) - SCR Diagnostics
PHASE FIRE TEST DELTA (P.309)
The test firing conduction angle of the SCRs. If equal to 0, the armature power bridge is OFF.
If = 180, the armature power bridge is fully ON.
Parameter Range: 0 to 180 degrees
Default Setting: 0 degrees
Parameter Type: Tuneable
OIM Menu Path(s): Current Minor Loop (CML) - SCR Diagnostics
WARNING
The armature phase fire test is unregulated. To prevent excess motor speed, either disconnect the
armature leads from the drive and replace with a similar load or disconnect the field leads from the
drive. Lock the motor armature shaft securely to prevent rotation in either direction prior to selecting
this test. Failure to observe these precautions could result in bodily injury.