117
MG.30.A7.02 - VLT
®
is a registered Danfoss trademark
511
Bus jogging 1
(Bus jog 1)
512
Bus jogging 2
(Bus jog 2)
Value:
0.0 - f
RANGE
✭
10,0
Value:
0.0 - f
RANGE
✭
10,0
Function:
Two fixed speeds set in Hz equivalent to
JOGGING frequency in parameter 203.
Bus jogging 1 and 2 can only be activated
via the control word when serial bus com-
munication is used, see also description of
the control word’s bit 08 and 09,
p.
75.
Parameter description
5..Serial communication
✮
= Factory setting. Text in ( ) = Display text.
The figures in [ ] are used in bus communication
Function:
The VLT
®
frequency converter’s output
frequency can be reduced or increased via
the control word’s bit 11 and 12 by the value
set as a percentage of the current output
frequency. See also description of the
control word’s bit 11 and 12,
p.
76.
Value:
0.0 - 100%
✭
0,0
513
Catch-up / slow-down
value
(Catchup/slowdn)
Value:
✭
Catch-up/slow-down
(catch / slow
)
[0]
Selection of digital reference
(Dig spd type)
[1]
515
Bus bit 11/12
(Bus bit 11/12)
Value:
−
100.00% - +100.00%
✭
0.00
516
Bus reference
(Bus reference)
Function:
Is used to receive the desired reference
as a percentage of f
MAX
via serial communi-
cation.
The following is inserted to the telegram.
Parameter no.: 516
Bytes 9-12
Data:
Required ref. Bytes 13-18
Full stop:
Position
Byte 19
Function:
Bit 11/12 of the control word can either be
used for “catch-up/slow-down” or for
selection of digital reference (see decrip-
tion,
p.
76).
Function:
Bit 4 of the control word (see table
p.
75)
can be used for either quick stop via
alternative ramp-down or DC brake.
Value:
✭
Q-stop (Q-stop)
[0]
DC-brake (DC-brake)
[1]
514
Bus bit 4
(Bus bit 4)
