Signal Timing - Magnescale LT20A Series Bedienungsanleitung

Alarm output
"H" (OFF) is output when the unit enters the alarm state.
This is set to "L" (ON) by pressing the reset key or by the I/O
connector reset input after eliminating the various causes
of the alarm.
Comparator value selection input
The four comparator value pairings set in the counter unit
can be selected.
Pin #5 #5 #5 #5 #5 Pin #6 #6 #6 #6 #6
(Upper limit CPH, lower limit CPL)
CPH1, CPL1
H H
CPH2, CPL2
L H
CPH3, CPL3
H L
CPH4, CPL4
L L
DRQ display/output hold feature
While the DRQ signal is "L" (ON) the display and output
(BCD, Go/No Go output of I/O connector) of termianls are
stored.
(When the BCD output form is set to
output data is held on DRQ becoming "H" (OFF).)
However, when the initial settings of pins w and r of the I/O
connector (common) are changed from
the time of shipping to
display and I/O connector Go/No Go output is enabled only for
pins w and r of the I/O connector (common), and the DRQ
hold is valid only for the BCD output data.
LT20A / LT30 Series
Comparator value
, only the BCD
which was set at
, the hold function for the

8-2. Signal timing

q-@4 Data, #0 DRQ input, #1 READ output
• When Initial setting
MIN. 1 ms
DRQ (IN)
READY (OUT)
DATA (OUT)
MAX. 0.2 ms
• When Initial setting
MIN. 1 ms
DRQ (IN)
READY (OUT)
DATA (OUT)
MAX. 0.2 ms
(See P15 for factory-set.)
MAX. 0.2 ms MIN. 0.2 ms
MAX. 0.2 ms MIN. 0.2 ms
(E)
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