Rockwell Automation GV3000/SE AC Drive Ver. 6.06 Hdwe Ref., Installation, and Troubleshooting Manual User Manual

Page 94

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9-10

GV3000/SE AC Drive Hardware Reference, Version 6.06

Table 9.1 - Resistance Checks (Continued)

200–400 HP Drives

Input

Diode

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

* R/L1

R > 100 kohm

Continuity (short circuit)

2

* S/L2

3

* T/L3

4

R/L1 **

5

S/L2 **

6

T/L3 **

* (+) DC Bus power terminal
** (-) DC Bus power terminal

1–60 HP Drives

IGBT

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

* W/T3

50K < R < 10 Megohm

Continuity (short circuit) or

open when the meter is

connected with reversed

polarity

2

* V/T2

3

* U/T1

4

W/T3 **

5

V/T2 **

6

U/T1 **

* (+) DC Bus Volts power terminal
** (-) DC Bus Volts power terminal

60–150 HP Drives

IGBT

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

47 W

0.3 kohm < R < 8 kohm

Continuity (short circuit) or

open when the meter is

connected with reversed

polarity

2

47 V

3

47 U

4

W 45

5

V 45

6

U 45

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