3.9 Main Menu - Communications and
Options - Group 8
3.9.1 8-0* General Settings
8-01 Control Site
Option:
Function:
The setting in this parameter overrides
the settings in
to
.
[0]
*
Digital and
ctrl.word
Control by using both digital input and
control word.
[1]
Digital only
Control by using digital inputs only.
[2]
Controlword only
Control by using control word only.
8-02 Control Source
Option:
Function:
Select the source of the control word: one of
two serial interfaces or four installed options.
During initial power-up, the frequency
converter automatically sets this parameter to
Option A
[3] if it detects a valid fieldbus option
installed in slot A. If the option is removed, the
frequency converter detects a change in the
configuration, sets
back to
default setting
FC Port
, and the frequency
converter then trips. If an option is installed
after initial power-up, the setting of
will not change but the
frequency converter will trip and display: Alarm
67
Option Changed
.
[0]
None
[1]
FC Port
[2]
USB Port
[3]
*
Option A
[4]
Option B
[5]
Option C0
[6]
Option C1
[30] External Can
NOTE
This parameter cannot be adjusted while the motor is
running.
8-03 Control Timeout Time
Range:
Function:
Size
related
*
[1.0 -
18000.0 s]
Enter the maximum time expected to pass
between the reception of two consecutive
telegrams. If this time is exceeded, it
indicates that the serial communication has
stopped. The function selected in
Control Time-
out Function
will then be carried out.
8-03 Control Timeout Time
Range:
Function:
In BACnet the control timeout is only
triggered if some specific objects are
written. The object list hold information on
the objects that triggers the control timeout:
Analog Outputs
Binary Outputs
AV0
AV1
AV2
AV4
BV1
BV2
BV3
BV4
BV5
Multistate Outputs
8-04 Control Timeout Function
Option:
Function:
Select the time-out function. The time-
out function is activated when the
control word fails to be updated within
the time period specified in
. Choice [20]
only appears after setting the Metasys
N2 protocol.
[0]
*
Off
[1]
Freeze output
[2]
Stop
[3]
Jogging
[4]
Max. speed
[5]
Stop and trip
[7]
Select setup 1
[8]
Select setup 2
[9]
Select setup 3
[10] Select setup 4
[20] N2 Override Release
8-05 End-of-Timeout Function
Option:
Function:
Select the action after receiving a valid control
word following a time-out. This parameter is
active only when
is set to [Set-up 1-4].
[0]
Hold set-up Retains the set-up selected in
and displays a warning, until
toggles. Then the
frequency converter resumes its original set-up.
Parameter Description
VLT
®
HVAC Drive Programming Guide
74
MG.11.CB.02 - VLT
®
is a registered Danfoss trademark
3
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