HP 3468A - Page 65

Command
Codes
(The
command
codes
are
also
found
on
the
under
side
of
the
3468A)
Range Codes
Function
Code
Ri
R2
R3
Ra
RS
RG
RA
Autorange
DC
Volts
F1
.3V
|
3V
30V
300V
=
am
AC
Volts
F2
.3V
3V
30V
300V
=
f
2-Wire
F3
3000
3KQ
|
30KQ
300KQ
{|
3M2
|
30mMa
Ohms
4-Wire
F4
3002
3KQ
|
30Ko
300K2
|
3M
|
30mMa
Ohms
DC
Amps
F5
3A
*
=
=
sg
AC
Amps
F6
300mA
3A
=
sh
2:
S
Extended
F7
(default
&
‘¢
z
sd
=
Ohms.
range)
1OMQ//Rx
*
indicates
an
invalid
combination
of
Function
and
Range
codes.
Other Program Codes:
Function,
Qualifier
Description
Example
N
3,4,5
|
Selects
the
number
of
digits
of
display.
|
N3
selects
the
3
1/2
digit
display
mode.
T
1,2
|
Trigger
Mode:
Internal,
Single.
T1
selects
internal
trigger,
T2
selects
single.
Zz
0,1
Autozero
mode:
off,on.
ZO
turns
Autozero
off.
Cc
Calibrate
(see
3468A
Service
Manual).
D
1,2
Display
mode:
Normal,
Text.
D2text
displays
the
message
"text”
on
the
3468A
display.
Mbb
0
to
77
|Set
SRQ
mask
to
octal
value
bb.
This
|
MO1
sets
the
3468A
for
data
ready
SRQ.
(octal)
|
sets
the
lower
6
bits
of
mask.
The
Mbb
command
is
executed
as
sent.
Therefore,
if
the
second
“b”
is
not
sent,
bits
3
to
6
are
set
by
the
“b”
that
is
received.
B
1
Binary
Status.
The
34684,
if
it
is
addressed
to
talk
immediately
after
receiving
the
B1
command,
will
output
its
five
binary
status
bytes.
This
command
also
clears
the
error
register
(byte
4).
The
meaning
of
the
bytes
is
as
follows:
Byte
1:
Function,
Range,
Number
of
Digits
Octal
value
of
bits
7,6,5
=
1
DC
Volts
AC Volts
-W Ohms
2
4-W Ohms
1
2
3
4
5 DC Amps
6 AC Amps
7 Extended Ohms
Octal
value
of
bits
4,3,2
1
Range
R1
2 R2
I
o D ®
Octal
value
of
bits
1,0
Nuon a
°
15
2 4 1/2 digit
33
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