Operation Check Of Safety Circuits; Installation Of Safety Light Curtain; Operation Check - Mitsubishi Electric MELSEC iQ-F Series Quick Start Manual

8 OPERATION CHECK OF SAFETY CIRCUITS

Installation of Safety
Light Curtain
7

8.1 Installation of Safety Light Curtain

Install the safety light curtain. For details, refer to the following.
deTec4 Safety light curtain OPERATING INSTRUCTIONS

8.2 Operation Check

8
Check the following operations after the packaging machine in the connection example of the safety devices
( P. 9 ) starts running.
• Entire stop • Partial stop
Entire stop
Check that all the safety contactors turn OFF when the emergency stop pushbutton is pressed.
Step 1
. Pressing the emergency stop pushbutton
9
Press the emergency stop pushbutton. Check that all the safety contactors turn OFF and the entire packaging
machine stops. Check the ON/OFF status of the safety contactors with the contact carriers.
Step 2
. Resetting the emergency stop pushbutton
Reset the emergency stop pushbutton. The safety contactors remain OFF, indicating that the restart interlock
circuit is functioning.
Step 3
. Pressing the reset switches 1 and 2
After the entire packaging machine stops, press the reset switches 1 and 2 to turn ON the safety contactors
. Check that the restart interlock is released using the reset switches 1 and 2 and the packaging machine starts
4
running again.
Reset switch 1
Reset switch 2
32
Operation Check
• Reset interlock
ON
Safety Safety
1 2
contactor contactor
<Drive unit of the filling machine>
OFF
Safety Safety
1 2
contactor contactor
<Drive unit of the filling machine>
OFF
Safety Safety
1 2
contactor contactor
<Drive unit of the filling machine>
OFF
Safety Safety
3 4
contactor contactor
<Drive unit of the belt conveyor>
Safety Safety
3 4
contactor contactor
<Drive unit of the belt conveyor>
ON
Safety Safety
3 4
contactor contactor
<Drive unit of the belt conveyor>
ON OFF
ON OFF ON OFF
OFF
ON OFF
to
1
OFF ON
ON OFF ON OFF