Sony LT20A-101 Anleitung Seite 83

I/O connector (common)
Pin Signal
IN/OUT
No. name
1 GND –
2 START (A) IN
3 PAUSE (A) IN
4 START (B) IN
5 PAUSE (B) IN
6 RS-TRG IN
7 GND –
*1 : The connection of this pin is prohibited for 1-channel
models.
*2 : The connection of this pin is prohibited except in RS-
232C models.
Go/No Go output
High : displayed value > upper limit
Go : upper limit > displayed value > lower limit → "L" (ON)
Low : lower limit > displayed value
Note
All Go/No Go outputs are "H" (OFF) when an alarm is set.
LT20A / LT30 Series
Signal
Start/latch input (A)
Pause input (A)
*1
Start/latch input (B)
*1
Pause input (B)
RS-232C data output/trigger input
→ "L" (ON)
→ "L" (ON)
Start/latch input
• The "L" (ON) signal sets the maximum, minimum, and
peak-to-peak values to the current value and restarts
their storing. (Start function)
• If, when the initial setting of
of shipping is changed to
serves as the measuring mode, the "L" (ON) signal will
hold the Go/No Go output (I/O connector) and display.
(Latch function)
Note
*2
While the Go/No Go output is at the "L" level, reset/preset
value recall cannot be effected by reset key or external
reset/preset value recall input.
Reset input
• For the setting which does not use the reference point
"L" (ON) sets the measured value to zero.
When there is a preset value this is recalled.
• For the setting which uses the reference point.
The unit enters the reference point signal input wait
status when the input is set to "L" (ON) for two or more
seconds.
Note
Even when the "L" level is held, the Go/No Go output (I/O
connector) and the display are not held.
which was set at the time
, the current value mode
25
(E)