Toshiba TOSVERT VF-A5 Series Option Manual page 10

TOSHIBA
E6580704
(5) Figure 3-1-3 shows an example of contact input for 3-digit BCD input.
VF-AS
R
u
s v
T
w
RO
so
P24
Binary Data
E
Write Input Switch
-
12-bit binary option board
WR
P24
cc
cc
0 01001010111
.___ _ _..!! '--_ ___..
2 5 7
1 OO's place 1 O's place 1 's place
~
257 (decimal)
Figure 3-1-3 Sample Contact Input for 3-digit BCD Input
(6) Figure 3-1-4 shows a diagram of binary data write input timing.
Turn ON for at least 15ms
bit 11---bit 0 Signals: _ _ _
_ _ _ . J
Figure 3-1-4 Write Input Timing (when a binary data write input switch is notused)
Turn ON for at least 15ms
bit 11
~bit
0 Signals: __J
I' • 1
.__I - -
Binary Data Write Signal:I __ ,
-~
.. :.-
-";- 2 -~-t~-pe-r-io-d-~.__
.....
1--
4ms min. 2ms min.
Figure 3-1-5 Write Input Timing (when a binary data write input switch is used)
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