142
142
142
142
SDC
SPD
SPE
Device Clear
End or Identify Message Terminator
Group Execute Trigger
Go to Local
Local Lock-Out
Selected Device Clear
Serial Poll Disable
Serial Poll Enable
Using Device Clear to Halt Measurements
Device clear is an IEEE-488 low-level bus message which can be used to
halt measurements in progress. Different programming languages and
IEEE-488 interface cards provide access to this capability through their
own unique commands. The status registers, the error queue, and all
configuration states are left unchanged when a device clear message is
received. Device clear performs the following actions.
All measurements in progress are aborted.
The multimeter returns to the trigger “idle state.”
The multimeter’s input and output buffers are cleared.
The multimeter is prepared to accept a new command string.
For RS-232 operation, sending the <
Ctrl-C
> character will perform the
equivalent operations of the IEEE-488 device clear message.
The multimeter’s DTR (data terminal ready) handshake line will be true
following a device clear message.
See “DTR/DSR Handshake Protocol,”
for further details.
TALK ONLY for Printers
You can set the address to “31” which is the
talk only
mode. In this mode,
the multimeter can output readings directly to a printer without being
addressed by a bus controller (over either HP-IB or RS-232).
Summary of Contents for M3500
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Page 109: ...104 104 104 104 651 Panel Program Checksum Error The checksum from the panel is incorrect ...
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