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6
Counter mode BFM #0
TO Ring upper limit value
BFM #3, #2
DOWN/UP command
BFM #1
φB
Count pulse
φA
DISABLE
Count start
BFM #4 b0
φZ
PRESET
BFM #4 b4
TO Preset data
BFM #11, #10
TO
Direct initialization
Model code
BFM #30
SYSTEM BLOCK DIAGRAM
16-bit
counter
1-phase
1-input
counter
DOWN/UP
Counter
16/32-bit
1-phase/
2-phase
Initiali-
zation
Current value
register
BFM #21, #20
Maximum
value
BFM #23, #22
Minimum
value
BFM #25, #24
Reset
Error status
BFM #29
BFM #4 b8
for YH output
Comparisor
TO
data
BFM #13, #12
Matched
for YS output
Comparison
TO
data
BFM #15, #14
Matched
*1
Sampling cycle
300µs
Compare
results
BFM #26
Terminal
status
BFM #27
BFM #4 b1
BFM
#4 b11
BFM #4 b9
BFM #4 b2 BFM
#4 b12
BFM #4 b10
*1. Comparison is made at
the next sampling point
after an input count.
YH
S
R
BFM #4 b3
S
YS
R
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