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