Extended And Advanced Cascade Controller Option; How To Read These Operating Instructions; High Voltage Warning; Safety Instructions - Danfoss VLT Series Operating Instructions Manual

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VLT Operating Instructions

1 Extended and Advanced Cascade Controller Option

1.1 How to read these Operating Instructions

1.1.1 High Voltage Warning

The voltage of the frequency converter and the MCO 101 option card is dangerous whenever it is connected to mains. Incorrect
installation of the motor or frequency converter may cause damage to the equipment, serious injury or death. Consequently, it is
essential to comply with the instructions in this manual as well as local and national rules and safety regulations.

1.1.2 Safety Instructions

Prior to using functions directly or indirectly influencing personal safety (e.g. Safe Stop or other functions either forcing the motor to
stop or attempting to keep it functioning) a thorough risk analysis and system test must be carried through. The system tests
must include testing failure modes regarding the control signalling (analog and digital signals and serial communication.
• Make sure the frequency converter is properly connected to earth.
• Do not remove mains connections, motor connections or other power connections while the frequency converter is connected to power.
• Protect users against supply voltage.
• Protect the motor against overloading according to national and local regulations.
• The earth leakage current exceeds 3.5 mA.
• The [OFF] key is not a safety switch. It does not disconnect the frequency converter from mains.

1.1.3 Avoid unintended Start

While the frequency converter is connected to mains, the motor can be started/stopped using digital commands, bus commands, references or via the
Local Control Panel.
• Disconnect the frequency converter and the MCO 101 option card from mains whenever personal safety considerations make it necessary to
avoid unintended start of any motors.
• To avoid unintended start, always activate the [OFF] key before changing parameters.

1.1.4 Software Version

These Operating Instructions can be used with all Extended Cascade Controller options with software version 1.33.
Extended Cascade Controller Option for
VLT AQUA Drive FC 200
Operating Instructions
Software version: 1.33
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MI.38.C3.02 - VLT is a registered Danfoss trademark
1 Extended and Advanced Cascade Controller
Option
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