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This feature detects when the pump is running at maximum speed and the setpoint cannot be reached for a user-defined
time.
Motor alternation
The motor alternation functionality is suitable for applications with 2 motors or 2 pumps sharing 1 drive.
Deragging
This preventive or reactive pump cleaning feature is designed for pumps in wastewater applications.
Initial and final ramp
Short ramp times to and from minimum speed protects bearings and ensures sufficient cooling in applications with sub-
mersible pumps.
check valve protection
A slow ramp-down rate protects check valves and prevents water hammering.
Safe Torque Off (STO)
STO enables safe stop (coast) when a critical situationsituation arises.
Low-flow detection
This feature detects no-flow or low-flow conditions of the system.
Pre/post lube
This feature supports a signal to an external device for lubricating mechanical parts to prevent damage and reduce wear
before and during operation.
Flow confirmation
This feature protects equipment from unexpected flow stoppage via communication to external devices, such as valves or
flow switches.
Pipe fill mode
Pipe fill mode comprises functionalities to fill pipes smoothly and avoid water hammering. This feature provides different
modes for horizontal and vertical pipes.
Sleep mode
The sleep mode feature saves energy by stopping the pump when there is no demand for the pump to run.
Real-time clock
This option includes back-up battery ensuring synchronization of real-time data.
Password protection
Overload protection
Smart logic control (SLC)
SLC comprises programming of a sequence consisting of events and actions. SLC offers a wide range of PLC functions using
comparators, logic rules, and timers. 4 SLC sequences can be programmed in parallel.
Advanced minimum speed monitoring for submersible pumps
The advanced minimum speed monitoring feature trips the drive if the speed drops below a certain value, protecting
pumps sensitive torwards low speed, for example, submersible pumps.
Freely programmable texts
Use freely programmable texts for information, warnings, and alerts.
Preventive maintenance
This feature enables programming of scheduled service intervals into the AC drive.
Condition-based monitoring
This feature enables warnings and alarms to be triggered when the actual lifetime of the product varies from the expected
lifetime reducing downtime, eliminating unexpected production stops and optizing the maintenance planning. All signals
are processed within the AC drive without need for cloud connection.
Adding to the flexibility are the different ways of connectivity. The drive can be controlled:
AJ300847815559en-000101 / 130R0337
18 | Danfoss A/S © 2020.09
Product Family Overview
VLT® AQUA Drive FC 202
Design Guide