Danfoss VLT 2840 General Information

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

Danfoss VLT 2840 Specifications

General

Brand	Danfoss
Model	VLT 2840
Category	DC Drives
Language	English