Siemens SINUMERIK 840Di Function Manual page 878

Detailed Description
2.4 Emergency stop acknowledgement
Fig. 2-1
(1)
(2)
(3)
Effects
Resetting the emergency stop state has the following effects:
• Within the control, the servo enable is set, the follow-up mode deactivated and the
• Interface signals DB31, ... DBB60.5 (position control active) are set.
• Interface signals DB11, ... DBX6.3 (Mode Group ready for operation) are set.
• Interface signal DB10, DBX106.1 (emergency stop active) is reset.
• Alarm: "3000 Emergency Stop" is cleared.
• Part program processing is interrupted in all channels of the NC.
PLC and NCK I/Os
The PLC user program must switch the PLC and NCK I/Os back to the state for operation of
the machine.
POWER OFF / ON (supply off / on)
The emergency stop state can also be reset by switching the controller off and back on
(POWER OFF / ON).
This will work only if interface signal:
DB10, DBX56.1 (emergency stop)
is not set while the controller is powering up.
2-6
Resetting the emergency stop state
DB10, DBX56.2 (acknowledge emergency stop) is inoperative
DB21, ... DBX7.7 (Reset) is inoperative
DB10, DBX56.2 AND DB21, ... DBX7.7 reset DB10 DBX106.1(emergency stop active)
position control activated for all machine axes.
1
2
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
3
Emergency Stop (N2)