Logic Switching; Bcd Data Hold - Unipulse F350 Operation Manual

■Logic switching

Select the logic of the BCD data output signal. Make selection with B14.
When COM and B14 are open
When COM and B14 are short-circuited ：Positive logic
Read at least 2 cycles after inputting the logic switching.

■BCD data hold

Updating of the BCD data output signal is stopped. Also, the STROBE output turns OFF.
Make selection with A14.
When COM and A14 are open
When COM and A14 are short-circuited ：Update stopped
Read at least 2 cycles after inputting the BCD data hold.
As long as the BCD data hold is input, data can be read reliably, but because the data is not updated,
it may be different from original data.
67
Update
BCD data
0
STAB
1
OVER
0
STROBE
1
Strobe range
（duty 50%）
BCD data
0
STROBE
1
OFF
BCD
data hold
ON
：Negative logic
：Update stop canceled
1cycle
1cycle(max)
9 OPTION INTERFACE
Updating is stopped.
67
Chapter
9