Main Menu - Communications And Options - Group - Danfoss VLT Programming Manual

Parameter Description
3.9 Main Menu - Communications and
Options - Group 8
3.9.1 8-0* General Settings
3 3
8-01 Control Site
Option:
[0] Digital and
*
ctrl.word
[1] Digital only
[2] Controlword only
8-02 Control Source
Option:
[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:
Size [1.0 -
related 18000.0 s]
*
74
®
VLT
Function:
The setting in this parameter overrides
the settings in 8-50 Coasting Select to
8-56 Preset Reference Select.
Control by using both digital input and
control word.
Control by using digital inputs only.
Control by using control word only.
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 8-02 Control Source back to
default setting FC Port, and the frequency
converter then trips. If an option is installed
after initial power-up, the setting of
8-02 Control Source will not change but the
frequency converter will trip and display: Alarm
67 Option Changed.
Function:
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
8-04 Control Timeout Function Control Time-
out Function will then be carried out.
MG.11.CB.02 - VLT
HVAC Drive Programming Guide
8-03 Control Timeout Time
Range:
8-04 Control Timeout Function
Option:
[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:
[0] Hold set-up Retains the set-up selected in 8-04 Control
®
is a registered Danfoss trademark
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
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
8-03 Control Timeout Time. Choice [20]
only appears after setting the Metasys
N2 protocol.
Function:
Select the action after receiving a valid control
word following a time-out. This parameter is
active only when 8-04 Control Timeout Function
is set to [Set-up 1-4].
Timeout Function and displays a warning, until
8-06 Reset Control Timeout toggles. Then the
frequency converter resumes its original set-up.