Danfoss VLT AQUA Drive FC 202 Design Manual page 149

Application Examples
6.1.11 Start/Stop Conditions
Commands assigned to digital inputs. See parameter group 5-1* Digital Inputs.
Start (SYSTEM START /STOP)
Lead Pump Start
Coast (EMERGENCY STOP)
Safety Interlock
Table 6.1 Commands Assigned to Digital Input
Hand On
Off
Auto On
Table 6.2 Function of LCP Keys
MG20Z202
Design Guide
Variable speed pump (lead)
Ramps up (if stopped and there is a
demand)
Ramps up if SYSTEM START is active
Coast to stop
Coast to stop
Variable speed pump (lead)
Ramps up (if stopped by a normal stop
command) or stays in operation if already
running
Ramps down
Starts and stops according to commands via
terminals or serial bus
Danfoss A/S © Rev. 06/2014 All rights reserved.
Fixed speed pumps
Staging (if stopped and there is a demand)
Not affected
Cut out (built in relays are de-energized)
Cut out (built in relays are de-energized)
Fixed speed pumps
Destaging (if running)
Cut out
Staging/Destaging
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