Lenze DDS Target 9300 Servo PLC V8.x Instrukcja Użytkownika Pobierz pdf (Strona 86)

2.12 MCTRL_MotorControl (node number 131)

9300 Servo PLC

System blocks

2−80

9300 Servo PLC EN 5.1

2.12.17.5 OU − overvoltage monitoring

This function monitors the DC bus and protects the controller.

Error

Monitoring function System variable

Possible responses

No. Display TRIP Message Warning FAIL−QSP Off

x020 OU Overvoltage MCTRL_bOvervoltage_b 

 Lenze setting

 Setting possible

Monitoring is actuated if the DC bus voltage at the terminals +U

and −U

exceeds a switch−off

threshold dependent on C0173, and it remains active until the value falls below the respective

switch−on threshold again.

 The DC−bus voltage is set under C0173:

Code LCD

Possible settings

IMPORTANT

Lenze Selection

[C0173] UG limit 1 Adaptation of DC−bus voltage

thresholds

 Check during commissioning and

adapt if necessary

 All drive components in

interconnected drives must have

the same thresholds

0 Mains < 400 V; with or without brake unit

1 Mains = 400 V; with or without brake unit

2 Mains = 460 V; with or without brake unit

3 Mains = 480 V; without brake unit

4 Mains = 480 V; with brake unit

 The switch−off and switch−on thresholds dependent on C0173 can be gathered from the

following table:

Setting of C0173 Switch−off threshold Switch−on threshold

0 Mains < 400 V; with or without brake unit 770 V 755 V

1 Mains = 400 V; with or without brake unit 770 V 755 V

2 Mains = 460 V; with or without brake unit 770 V 755 V

3 Mains = 480 V; without brake unit 770 V 755 V

4 Mains = 480 V; with brake unit 800 V 785 V

 The switch−off threshold defines the voltage level of the DC−bus voltage, at which the pulse

inhibit is activated.

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 168 169

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