Fluke Calibration 5730A Operator's Manual page 145

Table 6-2. Interface Messages Accepted by the Calibrator (cont.)
Mnemonic Name
My Talk
MTA
Address
Remote
REN
Enable
Ready For
RFD
Data
Selected
SDC
Device Clear
Serial Poll
SPD
Disable
Serial Poll
SPE
Enable
UNL Unlisten
UNT Untalk
Table 6-3. Interface Messages Sent by the Calibrator
Mnemonic Name
END End
Data
DAC
Accepted
DAV Data Valid
Ready For
RFD
Data
Service
SRQ
Request
STB Status Byte
Addresses a specific device on the bus as a talker. The controller
sends MTA automatically whenever it directs a device-dependent or
common query to a specific instrument.
Transfers remote/local control of the Calibrator. (See Table 6-8.)
Set the handshake signal line NRFD low.
Identical to DCL, but only operates when the Calibrator is
addressed as a listener.
Cancels a Serial Poll Enable.
Causes the Calibrator to return a Status Byte to the next command
that address it as a listener, no matter what the command is.
"Unaddresses" a specific device on the bus as a listener. The
controller send UNL automatically after the device has successfully
received a device-dependent or common command.
"Unaddresses" a specific device on the bus as a talker. The
controller sends UNT automatically after it receives the response
from a device-dependent or common query.
A message that appears when the Calibrator asserts the EOI control
line, which happens when the Calibrator transmits the ASCII
character LF for its termination sequence or terminator.
Sets the handshake signal line NDAC low.
Asserts the handshake signal line DAV.
Sets the handshake signal line NRFD low.
A control line that can be asserted by any device on the bus to
indicate that it requires attention. For details, see "Check the
Calibrator Status."
The response sent to a serial poll (SPE) by the Calibrator.
Remote Commands and Syntax
Function
Function
6
Commands
6-11