Danfoss FCM 300 Operating Instructions Manual page 34

825 Delayed speed change delay
(SPEED CNG. DELAY)
Value:
20 - 10000 (20 ms-10 s)
Function:
The delay will under certain conditions (see
parameter 826) perform a fixed delay before a
speed change will be activated.
Description of choice:
Select the wanted delay time.
The status of the timer can be read:
Timer expired: Parameter 528 Bit 7
Timer active: Parameter 528 Bit 8
826 Application control word
(APPL.CTRL.WORD)
Value:
Bus
Bit Bit = 0 Bit = 1
0 No function
1 No function Delayed speed change
Function:
The function will perform a precise timing of a
speed change. The speed change can also
be to set speed = 0.
Description of choice:
Setting the ACW bit 1 to 1 will freeze any
following change of the set speed until following
conditions are fulfilled:
- Delayed speed change input (sensor)
changed from 1 to 0
- Delayed speed change delay time is expired
Delayed speed change input:
FCM300 terminal 5, parameter 335 set to (Delayed
speed change) (23) FCD300/VLT 2800 terminal 33,
parameter 307 set to (Delayed speed change) (26)
The ACW bit 1 must be reset and set before the next
delayed speed change can be initiated.
833 Fieldbus enabled
(FIELDBUS ENABLED)
Value:
Disable (DISABLE)
Enable (ENABLE)
MG.90.A5.02 - VLT is a registered Danfoss trademark
FCM 300 / FCD 300 / VLT
500
[0]
[1]
®
2800 / DP V1 PROFIBUS
Function:
This function allows to disable the commu-
nication interface.
Description of choice:
If Disable [0] is selected no communication warning will
appear, since the communication interface is disabled.
Select Enable [1] to activate the communication.
NB!:
Please note that a change in this parameter
will not be executed until the next power
up has been carried through.
849 Extend Diagnosis
(EXTEND DIAGNOSIS)
Value:
Disable (DISABLE)
Alarms (ALARMS)
Alarm and Warnings (ALARM AND WARNINGS)
Function:
This function allows to expand the diagnosis data
to 24 Byte, if this parameter is set to Alarm [1]
and Alarm and Warning [2].
Description of choice:
Please refer to the section Extend diagnosis
in this manual.
[0]
[1]
[2]
33