8-6 CHAPTER 8: OPERATION
ALPHA 552
3. EMERGENCY STOP BUTTON
When there is an dangerous situation arising, pressing one of the emergency stop buttons starts actions
below and interrupts the barfeed system and the lathe (if interface wired accordingly):
• The 3 phases 220V AC to servo amplifier is interrupted;
• All the output signals of PLC are interrupted except Y04 (input signal of relay R1);
• An alarm e01 is arising at HMI.
When the emergency situation is fixed, release the emergency stop button and press the manual key on
the remote control to restart the barfeed system.
Emergency stop button on the cabinet STP1
Emergency stop button on the remote control STP2
To Next Page
Loading...
