GENERAL SAFETY REQUIREMENTS
15
Comau Robotics Product Instruction
– The operator can activate automatic operation only after having checked:
• that the Robot and Control System is not in maintenance or repair status;
• that the protection barriers are correctly positioned;
• that there is nobody inside the protected area;
• that the Control Unit doors are closed and locked with the appropriate key;
• that the safety devices (emergency stop, safety devices of the protection
barriers) are in working conditions.
– Special attention is to be paid when selecting the remote mode, in which the line
PLC can perform automatic operations of motors power up and program starting.
Robot axes brake release (where required)
– The movement of the Robot axes is possible by means of suitable control devices
(integrated, where provided, on Robot base, or available as optional devices
-brake releasing module-) and adequate lifting means. Such devices only enable
the brake deactivation of each axis. In this case, all the system safety devices
(including the emergency stop and the enable button) are powered off; also the
Robot axes can move upwards or downwards because of the force generated by
the balancing system, or the force of gravity.
– The brake releasing operation generates the risk of falling axes due to gravity, as
well as the risk of impact due to an incorrect reset after the brake releasing
operation. The procedure for the correct use of the brake releasing devices
(integrated on Robot base and/or optional brake releasing module) is shown in the
“Maintenance” section of the Instruction Handbooks of the specific Robot.
– When after the interruption of an unfinished MOVE the motion is enabled again, the
typical function of trajectory recuperation may generate unpredictable paths that
may imply the risk of impact. This same condition arises at the next restart of the
automatic cycle. Avoid moving the Robot in positions that are distant from the ones
required for the motion restarting; alternatively disable the outstanding MOVE
programmes and/or instructions.
Maintenance and Repair
– The Robot (where required) is supplied with lubricants that do not contain any
harmful to health substances; however, in some cases, repeated and prolonged
exposure to the product may cause skin irritation, or if swallowed, sickness.
First Aid Measures. In case of contact with the eyes or skin: rinse the affected
areas with plenty of water; in case irritation persists, seek medical advice.
If swallowed, do not induce vomiting or administer anything by mouth; consult a
doctor as soon as possible.
– Maintenance, troubleshooting and repair are only to be carried out by authorised
personnel.
– When carrying out maintenance and repair operations, the specific warning sign
stating the maintenance status must be placed on the control panel of the Control
Unit, until the end of the operation, even if it should be temporarily suspended.
– Maintenance and replacement operations of the components or Control Unit must
be carried out (where provided and necessary) with the main switch in open
position and locked with a safety padlock.
Before using manual brake releasing devices, it is recommended to sling the Robot, or
hook it to an overhead traveling crane.
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