Sony LT10 Series - 7-2. I;O timing

65
English
Alarm output
When an alarm is set off this becomes “H” (OFF).
This is set to “L” (ON) by the reset input after eliminating the
various causes of the alarm.
Comparator value selection input
The four comparator value pairings set in the display unit
can be selected.
DRQ display/output hold feature
While the DRQ signal is “L” (ON) the display and output
(BCD, Go/No Go output of terminals) of termianls are
stored.
(When the BCD output form is set to
, only the BCD
output data is held on DRQ becoming “H” (OFF).)
However, when the initial setting of pin 0 of the terminals is
changed from
, set at the time of shipping, to ,
the hold function of the display and output of terminals is
enabled only for pin 0 of the terminals, and the DRQ hold
function operates only for the BCD output data.
7-2. I/O timing
1-@º Data, #º DRQ input, #¡ READ output
• When Initial setting (See P53 for factory-set.)
• When Initial setting
Output high impedance
Pin #∞
H
L
H
L
Pin #§
H
H
L
L
Comparator value
(Upper limit CPH, lower limit CPL)
CPH1, CPL1
CPH2, CPL2
CPH3, CPL3
CPH4, CPL4
DRQ (IN)
READY (OUT)
DATA (OUT)
MAX. 3 ms MAX. 2 ms
DRQ (IN)
READY (OUT)
DATA (OUT)
MAX. 3 ms MAX. 2 ms