Mitsubishi MELSEC-Q Series Programming Manual page 114

4 SFC PROGRAM CONFIGURATION
[Program Examples]
(1) The following program reads the active step status of 48 steps (3 words), starting from step 0
of block 3, to D0 - D2 when X0 turns ON.
When step is designated by operation output of block 3
X0
When step is designated by operation output of other than block 3 or sequence program
X0
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2
D0
S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S0
D1
S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16
D2
S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32
Related Instructions
1) SFC control instructions
• Block switching instruction (BRSET) ............................. See Section 4.4.11
• Step operation status check
instruction (LD, LDI, AND, ANI, OR, ORI) .................... See Section 4.4.1
• Active step batch readout
instruction (MOV, DMOV) ............................................. See Section 4.4.4
4 - 56
K4S0
BMOVP D0
BMOVP BL3\S0 D0
K3
K3
b1 b0
Step Nos.
4 - 56