Mitsubishi Electric MELSEC iQ-R Series - Page 105

4 SAFETY FB SPECIFICATIONS
4.15 M+SF_EQUI_R
103
4
FB details
o_bS_EquivalentOut is set to ON or OFF as below depending on the status of i_bS_ChannelA and i_bS_ChannelB.
If the status of numbers 2 and 3 listed in the table above continues beyond i_dDiscrepancyTime, the safety FB detects an
error and the status becomes error.
State diagram
State transition of M+SF_EQUI_R
No. i_bS_ChannelA status i_bS_ChannelB status o_bS_EquivalentOut output value
1 OFF OFF OFF
2OFF ON OFF
3ON OFF OFF
4ON ON ON
Note 1: The transition from any state to the Idle state due to i_bActivate=OFF is not shown. However these transitions have the highest priority (0).
0
2
3
3
1
2
i_bActivate=OFF
4
1
1
1
1
2
3
2
1
1
2
1
1
Idle
0000H
o_bReady=OFF
o_bReady=ON
i_bActivate=ON
Parameter
Error
C005H
0>i_dDiscrepancyTime OR
i_dDiscrepancyTime>60000
0=<i_dDiscrepancyTime =<60000
init
8001H
Error 3
C003H
o_bS_EquivalentOut= OFF
o_bS_EquivalentOut= ON
Safety Output
enabled
8000H
From Active
Wait
8005H
Wait for
Channel A
8014H
Error 1
C001H
Error 2
C002H
Wait for
Channel B
8004H
i_bS_ChannelA=OFF AND
i_bS_ChannelB=OFF
i_bS_ChannelA=OFF AND
i_bS_ChannelB=OFF
i_dDiscrepancyTime
Over
i_dDiscrepancyTime
Over
i_dDiscrepancyTime
Over
(i_bS_ChannelA=ON AND
i_bS_ChannelB=OFF)
OR
(i_bS_ChannelA=OFF AND
i_bS_ChannelB=ON)
i_bS_ChannelB=ON
i_bS_ChannelA=ON
i_bS_ChannelA=OFF AND
i_bS_ChannelB=OFF
i_bS_ChannelA=ON AND
i_bS_ChannelB=ON
i_bS_ChannelB=OFF
i_bS_ChannelB=ON AND
i_bS_ChannelA=OFF
i_bS_ChannelA=OFF
i_bS_ChannelA=OFF AND
i_bS_ChannelB=OFF
i_bS_ChannelA=ON AND
i_bS_ChannelB=OFF