Maintenance Manual.pdf - 第37页
AV131 MAINTENANCE MANUAL 2.3 M aintenance F uncti on D79MEC- 10-030-A0 2.3- 2 2.3. 2 Locations of Swi tches Mai ntenance swit ch Enabl ing swit ch
AV131
MAINTENANCE MANUAL
2.3 Maintenance Function
D79MEC-10-030-A0
2.3-1
2.3. Maintenance Function
D79MEC-10-030-A0
2.3.1 Introduction
Objective
The maintenance switch allows only the limited operations to be performed with safety covers open,
thus improving the work efficiency during maintenance.
General Description
The machine is provided with a maintenance switch; one on the front. This switch is used to release the
safety circuits.
Turning ON the front maintenance switch disables the safety circuits of the transfer rail cover and front
cover.
When the maintenance switch is turned ON, each axis teaching and operations via the sub-control
panel are partly permissible.
Maintenance mode should be used only when recovering from any troubles which occurred on the
machines. As a rule, only the experienced maintenance engineer who have sufficient knowledge of the
machine are allowed to operate the equipment in this mode.
We shall not be responsible for any accidents caused by the following;
Use of the maintenance switch by workers other than maintenance personnel.
Remodeling the maintenance switch by the user.
AV131
MAINTENANCE MANUAL
2.3 Maintenance Function
D79MEC-10-030-A0
2.3-2
2.3.2 Locations of Switches
Maintenance switch
Enabling switch
AV131
MAINTENANCE MANUAL
2.3 Maintenance Function
D79MEC-10-030-A0
2.3-3
2.3.3 Function
Condition
Maintenance switch is provided on the front of the machine.
This switch disable the safety interlock switch to perform maintenance work.
Maintenance SW ON
ON with safety stop
error cleared
Front
Safety interlock SW
(Front cover)
Rear
Safety interlock SW
(Rear cover)
Disabled
Enabled
Enabled
Enabled
Screen message During maintenance
Maintenance switch
abnormal
Only NC axis jog movement is allowed during maintenance. (NC movement will be disabled.)
Maintenance Switch
=REMARKS=
When the maintenance switch is in the ON position, it is not possible to switch to the rear control panel.
SW: TM3-8222EZ / S-N