Operating instructions
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 par. 8-50 Coasting Select to
par. 8-56 Preset Reference Select.
[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 convert-
er 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 frequen-
cy converter detects a change in the configura-
tion, sets par. 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
par. 8-02 Control Source 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:
Applica-
tion
depend-
ent
*
[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
par. 8-04 Control Timeout Function Control
Time-out Function will then be carried out.
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
par. 8-03 Control Timeout Time. 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
Parameter Description
VLT
®
HVAC Drive Programming Guide
MG.11.CA.02 - VLT
®
is a registered Danfoss trademark 75
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