•
•
•
•
Selection
number
Selection name
Description
Deceleration ramp according to parameter P2.1.4 Decel Time 1.
2
Stop, according to ramp 2.
Stop the drive by ramping.
Deceleration ramp according to parameter P2.4.4 Decel Time 2.
3
Stop, according to ramp con-
figured to the safety option
board.
Stop the drive by ramping.
The drive uses a deceleration ramp which is an average value of min and max ramp
times which are configured on the safety option board.
10.628.2 (ID 543) Response to Safe Limited Speed (SLS) Request
Location in the menu:
P2.12.2
(Multi-purpose Control Application)
Use this parameter to set the action of the drive when an SLS request becomes active on the safety option board.
With this setting, select whether:
the drive is allowed to limit and decelerate the speed of the motor
the upper control system responsible to limit and decelerate the speed of the motor.
Selec-
tion
number
Selection name
Description
0
No action
The drive does not react to the SLS requests. Upper control system is responsible
to limit and decelerate the speed of the drive.
1
Limit the speed reference, decel-
erate according to ramp 1.
The speed reference of the drive is limited to the value that is 95% of the reques-
ted SLS speed limit. Deceleration ramp according to parameter P2.1.4 Decel Time
1.
2
Limit the speed reference, decel-
erate according to ramp 2.
The speed reference of the drive is limited to the value that is 95% of the reques-
ted SLS speed limit. Deceleration ramp according to parameter P2.4.4 Decel Time
2.
3
Limit the speed reference, decel-
erate according to the ramp
configured to the safety option
board.
The speed reference of the drive is limited to the value that is 95% of the reques-
ted SLS speed limit. The drive uses deceleration ramp which is an average value of
the min and max ramp times which are configured to the safety option board.
10.628.3 (ID 544) Response to Safe Direction (SDI) Request
Location in the menu:
P2.12.3
(Multi-purpose Control Application)
Use this parameter to set the action of the drive when a SDI request becomes active on the safety option board.
With this setting, select whether:
the drive is allowed to prohibit the speed reference on unintended direction
the upper control system responsible prohibits speed reference on unintended direction.
Selection
number
Selection name
Description
0
No action
The drive does not react to the SDI requests. Upper control system is respon-
sible to prohibit the speed reference on unintended direction.
1
Prohibit the speed reference on
unintended direction.
The speed reference of the drive is prohibited on unintended direction.
10.629 Automatic Changing Between Drives (Pump and Fan Control Application Only)
The Autochange function allows the starting and stopping order of drives controlled by the pump and fan automatics to be
changed at desired intervals. The drive controlled by AC drive can be also included in the automatic changing and locking sequence
AB296635287482en-000301 / DPD00903
316 | Danfoss A/S © 2023.02
Parameter Descriptions
VACON® NX All-in-One
Application Guide
Summary of Contents for VACON NX
Page 1: ...Application Guide VACON NX All in One drives danfoss com...
Page 2: ......
