LineEye LE Series User Manual

5.5 Line State Display Function
Line state display function can display status of control lines and
external trigger input along with communication data.

Recorded data without status of control lines cannot use this function. Conrm
the setting of record control and measure data with state of control lines.
→ 3.7 Line State
Touch [Change display] some
times to select the line state
display.

When logical state of control line is active, it is displayed as “H”, and when non-
active, it is displayed as “L”.

For the external trigger input, the state of TTL level is displayed as it is.

The conditions of lighting LEDs.
For RS-232C port
If “VM
≧
+3V” on SD, RD, RTS and CTS, lights the LED.
If “VM
≦
0.4V” on SD, RD, RTS and CTS, lights out the LED.
* “VM” indicates the voltage of RS-232C signals.
For RS-422/485 port (LE-110SA)
If [V+]-[V-]
≦
-0.2V on SD and RD, lights the LED.
If [V+]-[V-]
≧
-0.05V on SD and RD, lights out the LED.
*[V+] indicates the voltage of positive terminal. [V-] indicates the voltage of negative
terminal.
For TTL port (LE-120SA)
If “VT
≦
VIL(MAX) on SD, RD, RTS and CTS, lights the LED.
If “VT
≧
VIH(MIN) on SD, RD, RTS and CTS, lights out the LED.
* “VT” indicates the voltage of TTL signals.
* VIL(MAX) and VIH(MIN) are dierent by selected level of TTL port.
→ 3.2 Measurement Port / Function.
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LineEye LE Series Specifications

General

Brand	LineEye
Model	LE Series
Category	Measuring Instruments
Language	English