Rockwell Automation FlexPak 3000 Power Module Version 4.2 User Manual
Page 148
APPENDIX B
FlexPak 3000
49’1340 e
B-44
PULSE TACH QUADRATURE (P.208)
Enables or disables pulse tachometer quadrature. Set ON for a bi-directional pulse tachometer.
Set OFF for a unidirectional pulse tachometer.
Parameter Range:
ON,
OFF
Default Setting:
ON
Parameter Type:
Configurable
OIM Menu Path(s):
Speed/Voltage Loop (SPD) - Speed/Voltage Loop (SPD) Feedback
Refer also to Parameters:
FEEDBACK SELECT (P.200),
NEGATIVE CURRENT LIM (P.006),
REVERSE DISABLE (P.015)
If PULSE TACH QUADRATURE is set to OFF and PULSE TACH is the selected FEEDBACK SELECT
type, NEGATIVE CURRENT LIM will be set to 0 and REVERSE DISABLE set to ON (preventing reverse
direction). Supported in regulator firmware V 1.1 or higher.
RAMP STOP DECEL TIME (P.018)
Deceleration time used during ramp stop sequences when
STOP DECEL SELECT = RAMP STOP DECEL TIME.
Parameter Range:
0.1 to 300.0 seconds
Default Setting:
5.0 seconds
Parameter Type:
Tuneable
OIM Menu Path(s):
Additional Parameters
Refer also to Parameters:
DECELERATION TIME (P.002),
STOP DECEL SELECT (P.122)
REVERSE DISABLE (P.015)
NOTE: REVERSE DISABLE applies only to regenerative drives.
When ON, REVERSE DISABLE prevents the speed reference from dropping below zero.
The reverse bridge cannot be activated and the drive cannot reverse.
Parameter Range:
OFF,
ON
Default Setting:
OFF*
Parameter Type:
Configurable
OIM Menu Path(s):
Drive Reference - Drive Reference Limits Quick Start
Refer also to Parameters:
FEEDBACK SELECT (P.200),
PULSE TACH QUADRATURE (P.208)
When OFF, the speed reference can drop below zero and the drive can reverse.
*The default is ON when:
•
The drive has a non-regenerative (S6) power unit.
•
FEEDBACK SELECT is set to AC TACH
•
FEEDBACK SELECT is set to PULSE TACH and PULSE TACH QUADRATURE
is OFF.