Parameters
Function
Setting
4-30 Motor
Feedback Loss
Function
[1] Warning
4-31 Motor
Feedback Speed
Error
100 RPM
4-32 Motor
Feedback Loss
Timeout
5 s
7-00 Speed PID
Feedback Source
[2] MCB 102
17-11 Resolution
(PPR)
1024*
13-00 SL
Controller Mode
[1] On
13-01 Start
Event
[19] Warning
13-02 Stop
Event
[44] Reset
key
13-10 Comparat
or Operand
[21] Warning
no.
13-11 Comparat
or Operator
[1] ≈*
13-12 Comparat
or Value
90
13-51 SL
Controller Event
[22]
Comparator 0
13-52 SL
Controller Action
[32] Set
digital out A
low
5-40 Function
Relay
[80] SL digital
output A
* = Default Value
Notes/comments:
If the limit in the feedback
monitor is exceeded, Warning
90 will be issued. The SLC
monitors Warning 90 and in the
case that Warning 90 becomes
TRUE then Relay 1 is triggered.
External equipment may then
indicate that service may be
required. If the feedback error
goes below the limit again
within 5 s then the frequency
converter continues and the
warning disappears. But Relay 1
will still be triggered until
[Reset] on the LCP.
Table 6.13 Using SLC to Set a Relay
Parameters
Function
Setting
5-40 Function
Relay
[32] Mech.
brake ctrl.
5-10 Terminal 18
Digital Input
[8] Start*
5-11 Terminal 19
Digital Input
[11] Start
reversing
1-71 Start Delay
0.2
1-72 Start
Function
[5] VVC
plus
/
FLUX
Clockwise
1-76 Start
Current
Im,n
2-20 Release
Brake Current
App.
dependent
2-21 Activate
Brake Speed
[RPM]
Half of
nominal slip
of the motor
* = Default Value
Notes/comments:
Table 6.14 Mechanical Brake Control
Figure 6.4
Application Examples
VLT® Automation VT Drive FC 322 D-Frame Instruction Manual
MG21E122 - VLT® is a registered Danfoss trademark
6-5
6
6
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