Lenze DDS Target 9300 Servo PLC V8.x Uživatelský manuál stáhnout pdf (Strana 90)

2.12 MCTRL_MotorControl (node number 131)

9300 Servo PLC

System blocks

2−84

9300 Servo PLC EN 5.1

2.12.17.8 OH − heatsink temperature monitoring (fixed)

This monitoring function protects the drive controller.

Error

Monitoring function System variable

Possible responses

No. Display TRIP Message Warning FAIL−QSP Off

x050 OH Heatsink temperature (fixed) MCTRL_bKuehlGreaterSet−

Value_b



 Lenze setting

 Setting possible

MCTRL_bKuehlGreaterSetValue_b is derived from a comparator with hysteresis. The switch−off

threshold and the hysteresis are fixed:

 The switch−off threshold is 85 °C

 The hysteresis is 5 K, i.e. the value for switching on again is 80 ºC.

The following causes can bring about an actuation of the monitoring process:

Cause Remedy

The ambient temperature is too high. Mount a blower in the control cabinet.

The drive controller is overloaded in the arithmetic mean, i. e. overload

and recovery phase exceed 100%.

 Mount a blower in the control cabinet.

 Shorten overload phase.

 Use a more powerful drive controller.

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Lenze DDS Target 9300 Servo PLC V8.x Uživatelský manuál Strana 90