DIGIVEX Little Drive Servoamplifier
14
PVD 3530 GB 01/2005
1.3.3.6 logic outputs
Speed detection
The
OUT1
output status acts in the following manner:
Criterion
OUT1
Speed < Threshold (OUT1)
1
Speed > Threshold (OUT1)
0
NB: 19 rpm
≤
threshold (OUT1)
≤
100,000 rpm
Speed reached
OUT2
output changes to
1
status when the motor speed is within the range given by + or -
the Threshold (OUT2) value:
(input instruction – threshold (OUT2) < actual speed < input instr threshold (OUT2)
NB: 48 rpm
≤
threshold (OUT2)
≤
5252 rpm
1.3.3.7 Brake action
The drive can be declared in the parameters with a brake function.
The 24 V brake supply (terminal block B1) is monitored by the drive.
24 V present: Axis under torque. Removal of limitation of 90% of rated motor current.
24 V absent: Axis at reduced torque with 90% of rated motor current.
The brake engage or release order is in no event given by the drive but by the external control.
The control can monitor the drive outputs indicating zero speed to decide whether or not to apply
the brake.
± Limit (OUT2)
± Limit (OUT2)
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