Hioki DM7275 Series - Page 171

172
Q&A (Frequently Asked Questions)
3-1 The instrument is
not responding at
all.
Green LED
on the LAN
connector on
the rear of the
instrument
Unlit (LAN)→ Check the cable. p. 108
(LAN)→ Check that the LAN setting
of the instrument and control device
is the same.
p. 105
Lit (LAN)→ Check that the LAN setting
of the instrument and control device
is the same.
p. 105
3-2 An error occurred. Display Command error The command is not recognized as
a valid instruction.
→ Check the command spelling.
(Space: x20H)
→ Do not append a question mark
(
?
) to commands that are not
queries.
→ (RS-232C) Use the same
communications speed for the
instrument and the control device.
CD*
p. 100
The input buffer (256 bytes) is full.
→ Insert a dummy query after
sending several lines of commands.
Example: Send
*OPC?
→ Receive
1
CD*
Execution error The command string is correct,
but the instrument is not able to
execute it.
Example: The data was spelled
incorrectly.
:VOLT:DC:RANG 10000
→ Check the specications of the
command(s) in question.
The input buffer (256 bytes) is full.
→ Insert a dummy query after
sending several lines of commands.
Example: Send
*OPC?
→ Receive
1
3-3 No response to
query.
Communication
monitor
No response
":TRIG:SOUR EXT"
is used to
send
:READ?
and the instrument is
waiting for a trigger.
→ Check the command
specications.
CD*
Response The program is malfunctioning.
→ Check the receive portion of the
program.
*: Communication Command Instruction Manual provided with the application disc
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