Mitsubishi Electric MELSEC-QS Series Safety Application Manual page 95

5
SAFETY APPLICATION CONFIGURATION EXAMPLE (USING A
SINGLE SAFETY PROGRAMMABLE CONTROLLER)
(5) Sequence program
The sequence program performs the following processing.
The following shows the constant and internal devices used in the program.
(a) Way of using the constant
Figure 5.36 Sequence program
K indicates decimal number.
Example) K1 = 1 of decimal number
5.6.4 Entering detection and existence detection circuit 2
Ladder which checks the falling edge (ON
of the reset switch, accepts the reset request,
and releases the interlock for the CC-Link Safety.
Ladder which confirms the interlock released
status and cancels the interlock release request.
Ladder which checks the falling edge (ON
of the start switch and accepts the start request.
Ladder which checks the contact welding
in the contactor.
T0 is an off delay timer for the contactor.
Ladder which checks the status of a robot
(whether it is ready to be started or be back
to operation).
Ladder which cancels the start or reset request
when safety cannot be confirmed.
Ladder which controls an output to the contactor.
5.6 Case Examples
1
2
OFF)
3
OFF)
4
5
6
5
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