Maintenance Manual - 第69页
AV131 MAINTENANCE MANUAL 3.3 Check ing Safet y De v i ces D79MEC- 11-030-A0 3.3- 2
AV131
MAINTENANCE MANUAL
3.3 Checking Safety Devices
D79MEC-11-030-A0
3.3-1
3.3. Checking Safety Devices
D79MEC-11-030-A0
3.3.1 Checking Safety Switches
Make sure that the following safety devices function properly.
== Refer to ‘SAFETY PRECAUTIONS’ for the locations of the switches.
Emergency stop switch
Safety interlock switch (Front cover, loader and unloader)
Overrun limit switch
How to Check
Emergency stop switch:
Pressing the emergency stop switch will stop the machine immediately.
The message of safety stop appears on the screen.
When the machine has been stopped, release the emergency stop switch and press <START> to reset
the safety stop. The machine returns to the state immediately before the safety interlock switch is
opened.
Safety interlock switch:
If the safety interlock switch is opened, the machine stops immediately. (Safety stop status)
“Safety stop” will appear on the screen.
Close the safety interlock switch when the power is OFF, and press the <START> key to disengage
the safety stop status. This restores the machine to the state immediately before the safety interlock
switch is opened.
Overrun limit switch:
Turning the <SERVO> OFF and moving X, Y, or Z axes toward - (minus) direction by hand will open
the overrun limit switch. At this time, check the machine is stopped due to an error.
Returning the moved axes and turning OFF the main switch, then restart the machine.
AV131
MAINTENANCE MANUAL
3.3 Checking Safety Devices
D79MEC-11-030-A0
3.3-2
AV131
MAINTENANCE MANUAL
4. CONTROL SYSTEM
D79MEC-14-000-A0
4-1
4. CONTROL SYSTEM