Emerson FM-3 Průvodce řešením problémů stáhnout pdf (Strana 31)

27

All LED’s on Fault

Wrong

Serial

Cable

Yes

No

Yes

Low AC

Input EN

Low AC

Input Eb/Ei

Yes Less than

90 VAC

Less than

60 VAC

No

No

EN

Eb/Ei

Less than

90 VAC

Investigate

Reason for

Low AC Voltage

Investigate

Reason for

Low Voltage

Malfunctioning

FM Module

No

No

Less than

+18 VDC

Replace

Motor

Replace

Drive

No

Yes

Replace

Module

Yes

All LED

Display

Segments On

Refer to

Serial CAble

Diagram

in Appendix A

Check

No used Pins

have any

Continuity to

Shield

Refer to

Serial CAble

Diagram

in Appendix A

Must Match

Diagram

Shown

Move

to Next

Possibility

End

Yes

*

Low

AC

Input

Remove Power

Remove Module

Reapply Power

Base Drive

Operates

Normally

End

Shorted or

Overloaded

(>0.25A)

Encoder

Power Supply

J6 Eb/EI J7 EN

pin 11 +5vdc pin 12 ground

Should be + 4.9 to 5.15 VDC

Yes

Check

Feedback Cable

for shorts

See Appendix A

End

*

Low

Auxiliary Power

Supply Voltage

+ 5 VDC

OK?

Cable

OK?

*

System can operate from

an Aux Power Supply

or from AC not both.

CT

Serial

Cable

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 59 60

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