Magnescale LT20A Series, Instruction Manual

Page: 86 / 168

LT20A / LT30 Series
26
(E)
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 which was set at the time
of shipping is changed to , the current value mode
serves as the measuring mode, the “L” (ON) signal will
hold the Go/No Go output (I/O connector) and display.
(Latch function)
Note
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.
I/O connector (common)
Pin Signal
IN/OUT Signal
No. name
1 GND –
2 START (A) IN Start/latch input (A)
3 PAUSE (A) IN Pause input (A)
4 START (B) IN Start/latch input (B) * 1
5 PAUSE (B) IN Pause input (B) * 1
6 RS-TRG IN RS-232C data output/trigger input
* 2
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
→
“L” (ON)
Go : upper limit displayed value lower limit
→
“L” (ON)
Low : lower limit > displayed value
→
“L” (ON)
Note
All Go/No Go outputs are “H” (OFF) when an alarm is set.