Mitsubishi Electric MELSEC iQ-F Series Quick Start Manual page 33

8 OPERATION CHECK OF SAFETY CIRCUITS
Installation of Safety
Operation Check
Light Curtain
Partial stop
Check that some safety contactors turn OFF when the safety light curtain detects a person.
Step 1
. Inserting a test rod into the safety light curtain
Insert the test rod into the safety light curtain. Check that only the safety contactors
ON/OFF status of the safety contactors with the contact carriers.
Step 2
. Pulling out the test rod
Pull out the test rod from the safety light curtain. The safety contactors
restart interlock circuit is functioning.
Step 3
. Pressing the reset switch 2
After a part of the packaging machine stops, press the reset switch 2 to turn ON the safety contactors
Check that the restart interlock is released and the entire packaging machine starts running again.
Reset switch 2
Safety Safety Safety
1 2 3
contactor contactor contactor
<Drive unit of the filling machine> <Drive unit of the belt conveyor>
Safety Safety Safety
1 2 3
contactor contactor contactor
<Drive unit of the filling machine> <Drive unit of the belt conveyor>
Safety Safety Safety
1 2 3
contactor contactor contactor
<Drive unit of the filling machine> <Drive unit of the belt conveyor>
3
ON OFF
Safety
4
ON
contactor
and remain OFF, indicating that the
3 4
OFF
Safety
4
contactor
OFF ON
Safety
4
ON
contactor
and turn OFF. Check the
4
ON OFF
OFF ON OFF
OFF
ON OFF
and .
3 4
OFF ON
OFF ON OFF
7
8
9
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