Local (Hand On) And Remote (Auto On) Control - Danfoss VLT HVAC Basic Drive FC 101 Design Manual

Product Overview
Current limitations for PM motors:
•
Currently only supported up to 22 kW
•
Currently limited to non-salient type PM motors
•
LC filters not supported together with PM motors
•
Overvoltage control algorithm is not supported
with PM motors
•
Kinetic backup algorithm is not supported with
PM motors
•
Support reduced AMA of the stator resistance Rs
in the system only
•
No stall detection
•
No ETR function
2.7.4 Local (Hand On) and Remote (Auto
On) Control
The adjustable frequency drive can be operated manually
via the local control panel (LCP) or remotely via analog/
digital inputs or serial bus. If allowed in 0-40 [Hand on] Key
on LCP, 0-44 [Off/Reset] Key on LCP, and 0-42 [Auto on] Key
on LCP, it is possible to start and stop the adjustable
frequency drive by LCP using the [Hand On] and [Off/
Reset] keys. Alarms can be reset via the [Off/Reset] key.
Hand Off
On Reset
Figure 2.18 LCP Keys
Local reference forces the configuration mode to open-
loop, independent on the setting of 1-00 Configuration
Mode.
Local Reference is restored at power-down.
MG18C522
Design Guide
Auto
On
Danfoss A/S © Rev. 2014-01-14 All rights reserved.
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