Lenze EVS9332xP Manual de usuario descargar pdf (Pagina 181)

100

101

Commissioning

Basic settings

Motor temperature monitoring with KTY

6.5

6.5.7



6.5−13

EDSVS9332P EN 5.0−07/2013

6.5.7 Motor temperature monitoring with KTY

ƒ There are two possibilities to connect a KTY resistor:

– At the incremental encoder connection X8 (pins X8/5 and X8/8)

– At the resolver connection X7 (pins X7/8 and X7/9)

ƒ The motor temperature is measured and integrated into the drive

monitoring.

ƒ The KTY resistor is monitored for open and short circuit.

ƒ When using motors equipped with KTY resistors, we recommend

always to activate the KTY input. This prevents the motor from being

destroyed by overheating.

 Stop!

ƒ The controller can only evaluate one KTY resistor! Do not use

several KTY resistors connected in series or in parallel:

– This would result in an incorrect measurement of the motor

temperature.

– The motors could be destroyed by overheating.

ƒ If several motors are operated on a controller, use thermal

contacts (NC contacts) for monitoring the motor temperature

and connect theses contacts in series.

ƒ To ensure full motor protection, an additional temperature

monitoring with separate evaluation has to be installed.

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Lenze EVS9332xP Manual de usuario Pagina 181

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