Emerson Mentor MP Advanced User's Manual page 153

Parameter Keypad and
structure display
Figure 5-17 Brake function
Actual field current Pr 5.54
7/8 x Rated field current Pr 5.70
Current
magnitude
4.01
12.43
Lower current
threshold
Reference
on
1.11
Speed
feedback
3.02
Brake apply
speed
12.45
Figure 5-18 Brake sequence
1
1. Wait for armature current and fully fluxed machine
2. Post-brake release delay
3. Wait for speed threshold
4. Wait for brake apply speed delay
5. Brake apply delay
Mentor MP Advanced User Guide
Issue Number: 1
Parameter description
Parameter x.00
format
External field
12.51
+
_
Field
12.50
active
o
i
_
LAT
r
+
Brake apply
12.46
speed delay
+
_
Input
terminals
Output
terminals
2
Pr 12.47
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Advanced parameter
descriptions
Drive active
10.02
Post-brake
release delay
OR
Key
Read-write (RW)
0.XX
parameter
Read-only (RO)
0.XX
parameter
Pr 12.45 Speed threshold
3 4 5
Pr 12.46 Pr 12.48
Serial comms
Performance
protocol
Enable position
controller during
brake release
12.49
12.47
Brake apply
12.48
delay
input output
i o
LAT
reset
r
If the reset input is 1, the output is 0.
If the reset input is 0, the output latches
at 1 if the input is 1.
Pr 3.02 Motor speed
Pr 4.01 Current magnitude
Pr 10.02 Drive active
Pr 1.11 Reference on
Pr 12.40 Brake release
Pr 2.03 Ramp hold
Pr 13.10 Position control mode
Pr 6.08 Hold zero speed
Menu 12
Position
control
13.10
mode
( = 1)
Ramp
2.03
hold
Brake
12.40
release
Hold zero
6.08
speed
Brake
12.41 controller
enable
153