Emerson FM-3 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 29)

“L” CW/CCW Limit Fault

This fault is indicated by the display showing an “L”. Encountering either Hardware or

Software limits may cause this fault.

Potential causes for the “L” CW/CCW Limit fault

• CW/CCW limit sensor active

• Reached the end of the hardware or software established limits in either direction

• Polarity of input function is incorrect for wiring configuration at the input connector

Troubleshooting Flow Chart for “CW/CCW Limit Fault”

Travel Limit

Prox Switch

Active

Jog

Off Switch

in Opposite

direction

"L" Fault

Resets

Automatically

Return to

Normal Operation

Yes

Check

Input Wiring

for Polarity

Selected

"L" Fault

Resets

Automatically

Return to

Normal Operation

Jog

Off Limit

in Opposite

direction

Yes

"L"

CW/CCW

Limit Fault

Check/Adjust

Software

Limit

Yes

End

Travel Limit

Software Limit

Active?

Check

Polarity of Input

Change Input

Polarity/

Modify Wiring

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