LT20A / LT30 Series
(E) 15
7. Selecting the start input terminal (I/O connector)
function
(See “7. I/O connector”.)
:
Start function
Setting this terminal
to “L” (ON) sets the
peak-hold value to
the current value and
restarts the storing
procedure.
: Latch function
When using the current value measuring
mode, setting this terminal to “L” (ON) stores
the output and display of the Go/No Go
comparison at that point in time.
Note
When the latch is ON, display and Go/No Go
output storage by the DRQ input for the BCD
model and RS-TRG input for the RS-232C
model is invalidated.
Initial settings are now complete for the standard model.
Pressing
MODE
.. Standard model → Returns to the measuring
state.
BCD model → Go to section 5-1-2.
RS-232C model → Go to section 5-1-3.
factory-set
5-1-2. BCD model
(only LT20A-101B/201B, LT30-1GB/2GB)
Proceeds to the next setting mode from “5-1-1. Basic
settings” step 7.
1. BCD logic
Setting the BCD output logic.
“+” is true logic.
“–” is false logic.
Exception : Logic for the DRQ,
READY, and alarm
terminals cannot be
changed.
(See “8. BCD output”)
2. BCD output format
Setting the BCD output format.
:BCD is output
according to the DRQ
signal input, and the
resulting status is held
even if the DRQ signal
goes off.
:BCD is output
according to DRQ
signal input, and
assumes high-
impedance status
when there is no DRQ
signal input.
: BCD is output at all
times at the set time
interval without the
input of the DRQ signal.
factory-set
factory-set
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