Emerson FM-3 Průvodce řešením problémů stáhnout pdf (Strana 17)

“H” High DC Bus

This fault is indicated by the display showing a “H”. The DC bus is internal to the drive.

This indicates a fault involving the DC bus and voltages or with its associated

components.

Potential causes for the “H” High DC Bus fault

• DC Bus exceeds 440 VDC (EN), 415 VDC (Epsilon)

• Open Shunt Resistor either internal or external

• RSR-2 module malfunction or improper installation

• High AC input line

• High inertial load, deceleration ramps too aggressive

“H” “High DC Bus Fault”

EN-208

And EN-214

Drives

High AC

Input line

Reset

with Reset P/B

Yes

> 264 VAC

Investigate Cause

for Increase

High Inertia Load/

Decel Ramps

Overly Agressive

Monitor

AC Input

>264 VAC 47-63 Hz

Yes

"H" Fault

High DC Bus

"H" Fault

High DC Bus

"H" Fault

High DC Bus

Returns

Normal Operation

Examine Program

Modify Motion

AT/DT/VEL

as required

System Uses RSR-2 Module

and ES Unit

External Shunt Resistor

Yes

Use RSR-2

Troubleshooting

Procedure

EN-204

All Epsilon

Drives

Return

to Factory

Open Internal

Shunt Resistor/Shunt Fuse

Shunt Fuse or Resistor cannot

be checked in field.

Yes

Potential Misapplication

or External Resistor

RSR and ES Maybe Needed

Contact Tech Support

Investigate

High Inertia

Return

to Factory

End

Returns

Normal Operation

Return

to Factory

End

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 59 60

Komentáře k této Příručce

Žádné komentáře

Emerson FM-3 Průvodce řešením problémů Strana 17

Komentáře k této Příručce

Související produkty a manuály pro Sítě Emerson FM-3