Asymtek C702, Student Manual

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Level 2 Maintenance Training, Century Series 1-10 P/N 73-0028-00 Revision A
Level 2 Module 1
STUDENT GUIDE
LESSON 7 The Safety Interlock
OBJECTIVE: Upon completion of this lesson, the student should be able to
demonstrate correct use of the safety interlock system and excess air pressure on
the equipment.
THE SAFETY INTERLOCK
•
A key restricted access device located on the Control
Panel.
•
Used to restrict access to the inside of the dispensing
system based on different conditions.
•
Once an interlock safety mode has been selected the
key can be removed to
prevent an inadvertent mode change.
•
There are two Safety Interlock modes to choose from:
ON or OFF.
•
The Safety Interlock is used in conjunction with the
door sensors or
Light Curtain.
EXERCISE 1-3 Illustrating ON (I) features
When the Safety Interlock is ON and a dispensing program is running opening the front door
causes the immediate stoppage of all dispensing motion and also disables the heaters. If the doors
are opened when the Safety Interlock is ON, all position references are lost. You must reset the
Century Series System and restart your dispensing program in order to continue.
EXERCISE 1-4 Illustrating OFF (O) features
This is the BYPASS mode. The light yellow pole/beacon light and yellow SYSTEM STATUS
lights are ON when the Safety Interlock in OFF.