Hioki 3504-40 C HiTester, Instruction Manual

Page: 42 / 292

3.3 Setting the Measurement Conditions
36
The internal trigger or the external trigger can be set.
Press to change the mode.
Trigger signal:
INT
,
EXT
When inputting the
trigger signal through
the interface
Measurement starts when a " * TRG" command is received through the interface.
See
For details on inputting the trigger signal through the interface, refer to
"Sampling Request" (p. 177)
of
8.9, "Message Reference"
.
When inputting the
trigger signal through
the EXT I/O connector
When a negative-logic pulse signal is input to TRIG (pin 1) of the EXT I/O con-
nector on the rear panel, one measurement operation is performed.
See
7.1 "About the EXT I/O Connector" (p. 123)
3.3.7 Trigger Signal
INT
(Internal trigger
mode)
• Continuous measurement is performed while automati-
cally generating an internal trigger signal.
•
The INT LED flashes.
EXT
(External trigger
mode)
• A trigger signal is input from the outside either manually or
automatically.
• The EXT LED lights up.
• Manual setting:
Press to perform measurement once.
• Measurement is performed with a trigger from the EXT I/O
connector TRIG terminal.