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HP 4262A - Front Panel Features; HP-IB Interface Capabilities

HP 4262A
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SectionIIl
Paragraphs
3-60
to
3-67
3-60.
OPTION
101:
HP-IB.
3-61.
The
4262A
Option
101
provides
interface
capabilities
in
accordance
with
IEEE-STD-488-
1975
recommendations.
3-62.
Connection
to
HP-IB
Controller:
The
4262A
Option
101
can
be
connected
to
an
HP-IB
Controller
(HP
calculator)
via
HP-IB
digital
bus
connector
on
the
rear
panel
of
the
4262A
and
the
bus
connector
of
the
Bus
I/O
card
installed
in
calculator.
3-63.
HP-IB
Status
Indicator:
The
four
LED
lamps
of
the
HP-IB
Status
Indicator
(located
below
the
LCR
display)
show
which
HP-IB
condition
the
4262A
is
in:
SRQ:
SRQ
signal
put on
HP-IB
lihe
from
4262A.
See
paragraph
3-70
for
details.
LISTEN:
4262A
is
set
to
listen.
See
paragraph
3-69
for
details.
The
4262A
is
set
to
talk.
See
paragraph
3-67
for
details.
Remote:
The
4262A
is
remotely
controlled.
See
paragraph
3-71
for
details.
TALK:
3-64.
LOCAL
Switch:
This
switch
disables
re-
mote
control
and
enables
setting
measurement
conditions
by
front
panel
controls
(pushbutton
switches).
REMOTE
lamp
of
HP-IB
status
indicator
turns
off
when
LOCAL
switch
is
depressed.
(When
Local
Lock
Out
does
not
function),
365.
HP-IB
INTERFACE
CAPABILITIES:
The
4262A
Opt
101
has
the
following
eight
bus
inter-
face
functions:
SH1:
Source
Handshake
Capability.
AH1:
Acceptor
Handshake
Capability.
T5:
Talker
(the
4262A
sends
measurement
data
to
the
bus).
L4:
Listener
(the
4262A
receives
remote
control
signals
from
the
bus).
SR1:
Service
Request
Capability.
RL1:
Remote/Local
Capability.
DC1:
Device
Clear
Capability.
DT1:
Device
Trigger
Capability.
3-66.
Source
and
Acceptor
Handshake:
SH1,
AH1.
Three
Bus
handshake
lines
(DAV,
NRFD
and
NDAC)
perform
Source
and/or
Acceptor
hand-
shake
functions.
(1)
DAYV
(DAta
Valid).
DIO
(Data
Input
Out-
put)
line
is
available.
(2)
NRFD
(Not
Ready
For
Data).
Listener
preparation
for
receiving
data
from
Talker
is
not
yet
completed.
3-32
Model
4262A
(3)
NDAC
(Not
Data
Accepted).
Listener
has
not
yet
received
data
from
Talker.
3-67.
Talker
Capability:
T5.
When
set
to
Talker
by
MTA
(My
Talk
Address)
signal
from
controller,
the
4262A
sends
measure-
ment
data
to
the
Bus
in
one
of
three
types
of
out-
put
formats:
Type
A:
Ordinary
output
format.
Address
switch
on
the
rear
panel
set
to
FMT
A.
S
FC
F
-NN.NNE-NN,
SF
N.NNN
CRLF
1
@
©
(4)
(sxue)
(7
(8)
Type
B:
Output
format
used
for
Model
5150A
HP-1B
Digital
Recorder.
Address
switch
on
the
rear
panel
set
to
FMT
B.
S
FC
F
-NN.NNE-NN
CRLF
S
F
N.NNN
CRLF
(4)
@
(e
@
(8)
1)
@
@)
Type
C:
Output
format
used
in
resistance
meas-
urement
or
LCR
ONLY
measurement
when
no
D/Q
data
is
to
be
outputted.
Selection
of
this
format
is
automatically
done
in
accordance
with
FUNCTION
switch
setting.
8§
FC
F
-NN.NNE-NN
CRLF
1
@
3 ) ®
The
numbered
elements
of
output-data
are
des-
cribed
below:
(1)
Status:
N....ooovvvi...
Normal
O,
Overflow
Ui
Uncal
D,
G
LCRNA
or
DNA
(NA:
Not
Available)
(2)
Function
and
Circuit
Mode:
FUNCTION
MEASURE-
CIRCUIT
MENT
MODE
cp
C
PRL
Cs
C
SER
LP
L
PRL
LS
L
SER
RP
R
PRL
RS
R/ESR
SER
(3)
Frequency:
A
...,
120Hz
(100Hz)
B.........
1kHz
C........
10kHz

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