
508
Selection of preset ref.
(PRES.REF. SELECT)
Value:
Digital input (DIGITAL INPUT)
[0]
Serial comunication (SERIAL PORT)
[1]
Logic and (LOGIC AND)
[2]
Logic or (LOGIC OR)
[3]
Function:
See function description of parameter 502
Coasting
stop.
Description of choice:
Preset references via serial communication are active
when parameter 512
Telegram profile
is set to
FC pro-
tocol
[1].
509
Bus jog 1 (BUS JOG 1 FREQ.)
510
Bus jog 2 (BUS JOG 2 FREQ.)
Value:
0.0 - par. 202
Output frequency high
limit
10,0 Hz
Function:
If parameter 512
Telegram Profile
shows the selection
Profidrive
[0], two fixed speeds (Jog 1 or Jog 2) can be
selected via the serial port.
The function is the same as in parameter 213
Jog fre-
quency
.
Description of choice:
Jog frequency f
JOG
can be selected between 0 Hz and
f
MAX
.
512
Telegram Profile
(Telegram Profile)
Value:
Profidrive (Profidrive)
[0]
FC protocol (FC protocol)
[1]
Function:
It is possible to choose between two different control
word profiles.
Description of choice:
Select the desired control word profile.
See
Serial port for VLT 2800
for further details of con-
trol word profiles.
513
Bus time interval
(BUS TIMEOUT TIME)
Value:
1 - 99 sec.
1 sec.
Function:
In this parameter it is possible to preset the maximum
time expected to elapse between receipt of two con-
secutive telegrams. If this time is exceeded, the serial
communication is assumed to have stopped and the
desired reaction is preset in parameter 514
Bus time
interval function
.
Description of choice:
Preset the required time.
514
Bus time interval function
(BUS TIMEOUT FUNC)
Value:
Off (off)
[0]
Freeze output frequency (FREEZE OUTPUT)
[1]
Stop (STOP)
[2]
Jogging (JOGGING)
[3]
Max. speed (MAX SPEED)
[4]
Stop and trip (STOP AND TRIP)
[5]
Function:
In this parameter you can select the required reaction
for the variable frequency drive when the preset time
in parameter 513
Bus time interval
has been excee-
ded. If choices [1] to [5] are activated the output relay
will be deactivated.
Description of choice:
The output frequency of the variable frequency drive
can be frozen at the present value, stop the motor, be
frozen at parameter 213
Jogging frequency
, be frozen
at parameter 202
Output frequency, high limit f
MAX
or
stop and activate a cut out.
VLT
®
2800 Series
= factory setting, () = display text, [] = value for use in communication via serial communication port
88
MG.27.A2.22 - VLT
®
is a registered Danfoss trademark