Hioki DM7275 Series, Инструкция по эксплуатации

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173
Q&A (Frequently Asked Questions)
4. EXT I/O
Operation can be easily confirmed by referring to “11.5 Input Test/Output Test” (p. 138).
No. Issue Items to check Possible causes → Solutions See
4-1 The instrument is
not operating at
all.
“11.5 Input
Test/Output
Test” (p. 138)
IN/OUT displayed
does not match
the external device
connected.
The wiring is incorrect.
→ Check the following on the EXT
I/O again.
•A connector is disconnected.
•The pin number is not correct.
•ISO_COM pin wiring
•NPN/PNP setting
•Contact (or open collector) control
(voltage is not used to control)
•Power supply to external device
(This instrument does not require
a power supply.)
p. 125
4-2 Trigger input does
not work.
Trigger source INTERNAL INTERNAL setting does not accept
a TRIG signal.
Set the trigger source to
EXTERNAL .
p. 39
Duration of
TRIG signal
ON
Less than 0.1 ms Duration of TRIG signal ON is
short.
→ Ensure that the ON time is at
least 0.1 ms.
-
Duration of
TRIG signal
OFF
Less than 1 ms Duration of TRIG signal OFF is
short.
→ Ensure that the OFF time is at
least 1 ms.
-
Input filter
for TRIG and
PRINT signals
ON
A longer signal control time is
required.
→ Increase the response time.
→ Turn OFF the filter function.
p. 136
:INIT:CONT
(command)
OFF The instrument is not in the trigger
wait state.
→ Send the
:INIT
or
:READ?
command.
CD*
4-3 Print is not
enabled.
Interface
setting
Other than PRINT Setting to PRINT is required.
→ Set the interface to
PRINT
.
p. 146
Input filter
for TRIG and
PRINT signals
ON A longer signal control time is
required.
→ Increase the response time.
→ Turn OFF the filter function.
p. 136
4-4 No panel can be
loaded.
Panel number
selected for
LOAD signal
Is the panel saved? Panel has not been saved for the
panel number to be loaded.
→ Change the panel number or
save the panel to the panel number
selected as LOAD signal.
p. 62
p. 130
Maintenance and Service
14
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