Cat Electric Rope Shovel 465 Series IGBT Shovel HMI - WINCC Manual (Service Manual) - PDF DOWNLOAD

Page 46

BI619657

Machine Stop Pushbutton (I 33.0)

Power Off Emergency Pushbutton (I 33.1) POEB button is a NC switch which is on when no emergency..

• Drives Power Contactor (I 32.7) DPC signal is an auxiliary contact input of the DPC output contactor. DPC Contactor is the main contactor for power delivery to all Active Front Ends (AFEs) and all drives. •

Transfer Switch in Dig (I37.0)

Crowd Brake Valve (Q 17.7) A “1” at this output activates Crowd Brake Solenoid Valve and releases brake.

Propel Brake Solenoid Valve

Crowd Drive Minimum Current (DB3411.dbx0.4)

Crowd Brake Valve (Q 17.7) A “1” at this output activates Crowd Brake Solenoid Valve and releases brake.

Crowd Drive On (To SiBas) (Q24.0) This is a command bit to SiBas to turn on the Crowd drive.

Crowd Speed < 2.5 Hz (Db3411.dbx1.7)

Crowd In Regeneration (DB3418.dbx 1.2)

IGBT Shovel HMI - WINCC Manual

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