Mitsubishi Electric MELSEC-QS Series Safety Application Manual page 123

5
SAFETY APPLICATION CONFIGURATION EXAMPLE (USING A
SINGLE SAFETY PROGRAMMABLE CONTROLLER)
(5) Program using safety FB
FB name
F+EDM
F+MUTES
Table 5.35 Safety FBs to be used
Function
This FB monitors safety equipment such as
External device
an actuator and a contactor and controls a
monitor
safety output.
In this FB, sequential muting with four muting
Sequential muting
sensors is specified.
Figure 5.60 Program using safety FB
Description
Ladder which releases the interlock
when communication failure or I/O error
occurs on the safety remote I/O station on
CC-Link Safety.
Ladder which converts the Reset input bit
of the safety FB, F+EDM.
Ladder which converts the MutingEnable
input bit of the safety FB, F+MUTES.
Ladder which controls muting.
The safety FB is enabled by activating
the reset switch after the programmable
controller is powered on or after the light
curtain is blocked and the safety output
is turned off.
Ladder which monitors the contact welding
in the contactor.
The safety output of the safety FB is turned on
again by activating the start switch
after the enable status is confirmed.
Activate the reset switch to clear an error
occurred in the safety FB.
5.6 Case Examples
5.6.7 Sequential muting
1
2
3
4
5
6
5
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