Specifications

University of Hertfordshire
31
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MTA: Set Controller to Talker
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MLA: Set Controller to Listen
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REN: Remote Enable
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TALK <adr>: Set device address as talker
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UNL: Unlisten
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UNT: Untalk
Shortcuts for above commands
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RECEIVE <adr>: same as “MLA TALK <adr>”, this command is used to start receiving the
data from the specified address (GPIB device).
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SEND <adr> <data>: same as “MTA LISTEN <adr> DATA <data>”, this command is used
to send the data to specified address (GPIB device).
6.3 Spectrum Analyser Control on Linux
To preset the Spectrum Analyser:
c460-00:~ # echo “MTA LISTEN 18 DATA ‘IP’”| cat -> /dev/gpib0
or shortcut as:
c460-00:~ # echo “SEND 18 ‘IP’”| cat - > /dev/gpib0
MTA will set the Linux machine as talker, LISTEN will put the Spectrum Analyser in listen mode,
18 is the default address of HP 8591 EM Spectrum Analyser. IP is a Spectrum Analyser
programming command, which is used to preset the Spectrum Analyser. /dev/gpib0/ stands for the
device currently connected with GPIB Card, the Spectrum Analyser in this case.