Rockwell-automation SB3000 Configuration and Programming Manual do Utilizador descarregar pdf (Página 97)

SB3000 Local Tunable Variables

B-1

PPENDIX

SB3000 Local Tunable

Variables

C_E6

% Capacitance

The value in this variable selects the

capacitance connected to the bus. The value is

scaled in microfarads.

Units:

µF

Default Value:

32400

Low Limit:

32400

High Limit:

97200

Step:

For a single power unit, assign a value of 32400. For two parallel power units,

64800. For three parallel power units, 97200.

GIT_E1% Ground Current Threshold

A drive warning is generated (register 203/

1203, bit 2) if the ground current in the rectifier

goes above the value stored in this variable.

The value is scaled in amps times 10; i.e., 100

represents 10.0 amps.

Units:

Amps * 10

Default Value:

100

Low Limit:

High Limit:

2000

Step:

This value should be set above the value in the ground current feedback register

(208/1208) after the drive is operational.

IST_E1% Current Sharing Warning Threshold

A drive warning is generated (register 203/

1203, bit 6) if the

bus current is less than the value stored in this

tunable variable. The value is scaled in amps

times 10; i.e., 600 represents 60.0 amps.

Units:

Amps * 10

Default Value:

600

Low Limit:

High Limit:

2000

Step:

This variable should be left at the default value if the rectifier has only a single power

unit.

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