Fluke 5790A, Руководство оператора

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5790A
Operators Manual
5-28
NON-DECIMAL NUMERIC PROGRAM
DATA A data type suitable for sending integer numeric representations
in base 16, 8, or 2.
SUFFIX PROGRAM DATA
An optional field following DECIMAL NUMERIC PROGRAM
DATA used to indicate associated multipliers and units.
STRING PROGRAM DATA
A data type suitable for sending 7-bit ASCII character strings
where the content needs to be "hidden" (by delimiters).
ARBITRARY BLOCK PROGRAM DATA
A data type suitable for sending blocks of arbitrary 8-bit
information. Blocks are limited in size to 1024 bytes.
BINARY BLOCK DATA
A special data type as used in the *PUD command. (See the
definition under "Syntax Parameter Rules.")
Table 5-7. Interface Messages that the 5790A Accepts
Mnemonic Name Function
Related 1722A
Command
ATN Attention
A control line that, when asserted,
notifies all instruments on the bus that
the next data bytes are an interface
message. When ATN is low, the next
data bytes are interpreted as device-
dependent or common commands
addressed to a specific instrument.
(None)
DAC Data Accepted
Sets the handshake signal line NDAC
low.
(None)
DAV Data Valid Asserts the handshake signal line DAV. (None)
DCL Device Clear Clears the input/output buffers. CLEAR
END End
A message that occurs when the
Controller asserts the EOI signal line
before sending a byte.
(None)
GTL Go To Local
Transfers control of the 5790A from one
of the remote states to one of the local
states. (See Table 5-1.)
LOCAL
LLO Local Lockout
Transfers remote/local control of the
5790A. (See Table 5-1.)
LOCKOUT
IFC Interface Clear
A control line that sets the interface to a
quiescent state.
INIT
MLA My Listen Address
Addresses a specific device on the bus
as a listener. The controller sends MLA
automatically whenever it directs a
device-dependent or common command
to a specific instrument.
(None)
MTA My Talk Addresses
Address 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.
(None)
REN Remote Enable
Transfers remote/local control of the
5790A. (See Table 5-1.)
REMOTE
RFD Ready for Data
Sets the handshake signal line NRFD
low.
(None)