MG.90.D1.02 – VLT is a registered Danfoss trademark
30
VLT
®
5000/5000 Flux/6000 HVAC/8000 AQUA PROFIBUS
Description of the selection
Normally, the minimum station delay has to be as
short as possible since communication will occur
fastest that way. However, some masters are un-
able to deal with overly short delays. In this case,
the minimum station delay needs to be increased.
Please check your master manual regarding the
power of your master.
During an update of parameter 800 or
during the next turn-on procedure, the para-
meter 802 changes too.
8 0 3 Time after bus error (BUS TIME OUT)
Selection
1 - 99 sec.
✭
1 sec.
8 0 4 Response after bus error
(TIME OUT FUNCT.)
Value
✭
Off (OFF)
[0]
Freeze output frequency (FREEZE OUTPUT) [1]
Stop with auto restart (STOP)
[2]
Output frequency = JOG frequency
(JOGGING)
[3]
Output freq. = Max. freq. (MAX SPEED)
[4]
Stop with trip (STOP AND TRIP)
[5]
Control without PROFIBUS
(NO COM OPT CONTROL)
[6]
Select set up 4 (SELECT SETUP 4)
[7]
Function
The timeout counter is activated at the first receipt
of a valid control word, i.e. bit 10 = OK, if DP or the
cyclical FMS communication have been selected.
In the case of acyclical FMS communication, the
timeout counter will not be triggered.
The
Timeout
function can be activated in two
ways:
1. CTW is not updated within the specified time.
2. Parameter 805 = “Bit 10 = 0
⇒
Timeout” and
bit 10 = “0”.
The VLT remains in the timeout status until one of
the following four conditions occurs.
1. A valid control word (bit 10 = OK) is received
and a reset (bus, terminals or control panel) is
activated (reset is only necessary if the timeout
function
Stop with trip
was selected)
⇒
control
via PROFIBUS is resumed with the current con-
trol word.
2. Parameter 002 =
Local operation
⇒
local control
through control panel is active.
3. Parameter 928 =
Not active
⇒
normal control
through terminals and RS 485 is active.
NB!
The timeout counter is reset and needs to
be triggered by a valid control word before
a new timeout can be activated.
4. Parameter 804 =
Off
⇒
control via PROFIBUS is
resumed, with the control word used last being
taken.
Description of the selection
– Save output frequency:
Save (‘freeze’) the output
frequency until communication resumes.
–
Stop with auto restart:
Stop with automatic
restart on resumption of communication.
–
Output frequency = Fixed speed frequency:
Mo-
tor runs with fixed speed frequency until re-
sumption of communication.
–
Output frequency = max. frequency:
Motor runs
with the maximum frequency until resumption of
communication.
–
Stop with trip:
Motor has stopped, a reset is nec-
essary for a restart, see explanation above.
–
Control without PROFIBUS:
Control via
PROFIBUS is inactive; control is possible via the
terminals and/or the RS 485 standard interface
until communication resumes.
–
Selection parameter setup 4:
Parameter setup 4
is selected in parameter 004; the settings of pa-
rameter setup 4 are used.
Parameter 004 is not reset to the original value
upon resumption of communication.
Parameters