Rockwell Automation GV3000 AC Pwr Module Ver. 5.0 Hardware Ref, Installation, and Troubleshooting User Manual

Page 81

Advertising
background image

9Ć7

Table 9.1 Ć Resistance Checks (Continued)

60Ć100HP Drives

Input

Diode

No.

Meter

Connection

(+)

(-)

Component is OK if

resistance (R) is:

Component is defective if:

1

47

1L1

0.3 kohm <R< 8 kohm

Continuity (short circuit) or open when the meter is

d i h

d

l i

2

47

1L2

y (

)

p

connected with reversed polarity

3

47

1L3

4

1L1

45

5

1L2

45

6

1L3

45

100Ć150HP Drives

Input

Diode

No.

Meter

Connection

(+)

(-)

Component is OK if

resistance (R) is:

Component is defective if:

1

47

1L1

R> 100 kohm

Continuity (short circuit)

2

47

1L2

y (

)

3

47

1L3

4

1L1

45

5

1L2

45

6

1L3

45

1Ć60HP Drives

IGBT

No.

Meter

Connection

(+)

(-)

Component is OK if

resistance (R) is:

Component is defective if:

1

ă*

W/T3

50 <R< 10 Megohm

Continuity (short circuit) or open when the meter is

d i h

d

l i

2

ă*

V/T2

g

y (

)

p

connected with reversed polarity

3

ă*

U/T1

4

W/T3 **

5

V/T2

**

6

U/T1

**

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

60Ć150HP 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

d i h

d

l i

2

47

V

y (

)

p

connected with reversed polarity

3

47

U

4

W

45

5

V

45

6

U

45

Advertising