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SWING BRAKE SOLENOID VALVE
from Cat Electric Rope Shovel 465 Series IGBT Shovel HMI - WINCC Manual (Service Manual) - PDF DOWNLOAD
Swing Brake Solenoid Valve
• Swing Minimum Current (DB3412.dbx0.4) • Swing Drive On (To SiBas) (Q 24.2)
This is a command bit to SiBas to turn on the Swing drive. • Swing Break Valve (Q 17.0)
A “1” at this output activates Swing Brake Solenoid Valve and releases brake. • Swing Speed < 2.5 Hz (DB3412.dbx1.7) • Swing In Regeneration (DB3418.dbx1.3) • Swing Gate Blocked (DB3418.dbx0.2)
The Swing Gate Blocked signal from SiBas indicates either a Swing drive fault or
Swing drive is not on. • 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.