HP 3478A Technical Manual page 31

3478A 3478A
Table 3-6. 3478A Progr Table 3-6. 3478A Program Codes
T T y y p p e e P P r r o o g g r r a a m m
Code Code
F F U U N N C C T T I I O O N N F F 1 1
F F 2 2
F F 3 3
F F 4 4
F F 5 5
F F 6 6
F F 7 7
R R A A N N G G E E R R - - 3 3
R -2 2 R -
R -1 1 R -
R R 0 0
R 1 R 1
R 2 R 2
R R 3 3
R 4 R 4
R 5 R 5
R 6 R 6
R 7 R 7
R R A A
D D I I G G I I T T S S N N 3 3
D D I I S S P P L L A A Y Y E E D D N N 4 4
N N 5 5
T T R R I I G G G G E E R R T T 1 1
T T 2 2
T T 3 3
T T 4 4
T T 5 5
A A U U T T O O Z Z E E R R O O Z Z 0 0
Z Z 1 1
D D I I S S P P L L A A Y Y D D 1 1
D D 2 2
D D 3 3
H H O O M M E E H H O O
C C O O M M M M A A N N D D H H 1 1
H H 2 2
H H 3 3
H H 4 4
H H 5 5
H H 6 6
H H 7 7
M M I I S S C C B B
C C O O M M M M A A N N D D S S
C C
E E
K K
M M
S S
am Codes
D D e e s s c c r r i i p p t t i i o o n n
D D C C V V o o l l t t s s
A A C C V V o o l l t t s s
2 2 - - W W i i r r e e O O h h m m s s
4 4 - - W W i i r r e e O O h h m m s s
D D C C C C u u r r r r e e n n t t
A A C C C C u u r r r r e e n n t t
E E x x t t e e n n d d e e d d O O h h m m s s ( ( s s e e e paragraph 3-118) e paragraph 3-118). .
m m o o s s t t s s e e n n s s i i t t i i v v e e r r a a n n g g e e o o n n a a n n y y f f u u n n c c t t i i o o n n
3 0m m V D 3 0 V DC , C , o r o r m m o s o st s t se n e ns i s it i t iv e v e r a r an n g e g e o n
function function
3 0 3 00 0 m m V V D C D C, 3 , 3O O O Om m V V A A C , C , 3 0 3 00 0 O m O mA D A DC , C , 3 3 0 0
or most sensitive range on any other function or most sensitive range on any other function
3 3 V D V DC C , 3 , 3V V A A C C , 3 , 3A A D D C C , 3 , 3A A A AC C , o , or m r mo o s s t s
range on any other function range on any other function
3 0 3 0V V D C D C, 3 , 30 V 0 V A A C , C , 3 0 3 0 O O h m h m, o , or m r mo s o st s t se n e ns i s it i t iv e
on any other function on any other function
3 0 3 00 0 V V D C D C, , 3 0 3 00 V 0 V A A C , C , 3 3 0 0 0 0 O O h m h m, o , or r l e l ea a s t s t s e
range on any other function range on any other function
3 3 K O K Oh h m m o o r l r le e a a s s t s t se e n n s s i i t i t iv v e r e ra a n n g g e o e on a
function function
3 0 3 0K K O O h m h m o r o r l e l ea s a st s t se e n s n si t i ti v i ve e r a r an n g e g e o n o n a n
function function
3 00 K 3 0 0 K O O h m h m o r o r l e l ea a s t s t s e s en s n si t i ti v i ve e r r a n a ng e g e o o n n a n
function function
3 M O O h m 3 M h m o o r r l e l ea a s t s t s e s en s n si t i ti v i ve e r a r an n g e g e o n o n a n
function function
3 0M M O O h m 3 0 h m o r o r l e l ea s a st t s e s en s n si t i ti v i ve e r a r an g n ge e o n o n a n
function. function.
A A u u t t o o r r a a n n g g e e
3 3 1 1 / / 2 2 D D i i g g i i t t s s D D i i s s p p l l a a y y e e d d
4 4 1 1 / / 2 2 D D i i g g i i t t s s D D i i s s p p l l a a y y e e d d
5 5 1 1 1 1 2 2 D D i i g g i i t t s s D D i i s s p p l l a a y y e e d d
I I n n t t e e r r n n a a l l T T r r i i g g g g e e r r
E E x x t t e e r r n n a a l l T T r r i i g g g g e e r r
S S i i n n g g l l e e T T r r i i g g g g e e r r
H H o o l l d d T T r r i i g g g g e e r r
F F a a s s t t T T r r i i g g g g e e r r ( ( s s e e e e paragraph 3-116) paragraph 3-116)
A A u u t t o o z z e e r r o o D D i i s s a a b b l l e e d d
A A u u t t o o z z e e r r o o E E n n a a b b l l e e d d
N N o o r r m m a a l l D D i i s s p p l l a a y y O O p p e e r r a a t t i i o o n n
D D i i s s p p l l a a y y T T e e x x t t a a n n d d u u p p d d a a t e t e A A n n n n u u n n c c i i a a t t o o r r s s
D D i i s s p p l l a a y T y Te e x x t a t an n d d t t u u r r n n o o f f f A f An n n n u u n n c c i i a a t t o o r r s s
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 1 1 T T 4 4 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 1 1 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 2 2 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 3 3 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 4 4 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 5 5 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 6 6 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
E E q q u u i i v v a a l l e e n n t t t t o o " " F F 7 7 R R - - 2 2 R R A A Z Z 1 1 N N 4 4 T T 3 3 " "
R R e e a a d d S S t t a a t t u u s s o o f f t t h h e e 3 3 4 4 7 7 8 8 A A i i n n B B i i n n a a r r y y
S S e e e e p p a a r r a a g g r r a a p p h h 3 3 - - 1 1 1 1 9 9 . .
C C a a l l i i b b r r a a t e t e ( ( s s e e e e S S e e c c t t i i o o n n I I V V o o f f t t h h i i s s m m a a n n u u a a l l ) )
R R e e a a d d t t h h e e E E r r r r o o r r R R e e g g i i s s t t e e r r . . S S ee paragraph 3-1 ee paragraph 3-1 20.
C C l l e e a a r r s s S S t t a a t t u u s s R R e e g g i i s s t t e e r r
S S e e t S t SR R O O M M a a s k s k ( ( M M d d d d , w , wh h e e r r e d e dd i d is t s th h e e o o c c t a t al c
the bits) the bits)
F F r r o o n n t t / / R R e e a a r r S S w w i i t t c c h h P P o o s s i i t t i i o o n n
77) can b 77) can be sent t
cleared by cleared
only set to output a Require Service Message (not the only set to output a Require Service Message (not the
Status Byte) for a certain SRQ condition. Status Byte) for a certain SRQ condition.
3-105. 3-105. Clearing Status
through 5 and 7 of the register can be cleared by sending through 5 and 7 of the register can be cleared by sending
program code "K", and by a device CLEAR message. Bit program code "K", and by a device CLEAR message. Bit
0 (Data Ready) is not cleared since it represents the 0 (Data Ready) is not cleared since it represents the
3478A's current status (the bit is cleared when the 3478A 3478A's current status (the bit is cleared when
o n a n a ny o y ot h t he e r r
outputs its re outputs its reading).
cleared by a Serial Poll or i cleared by a Serial Poll or if the SRQ Mask is set to 00.
0 0m m A A A AC , C ,
t se e n n s s i t i ti v i ve e
3-106. 3-106.
setting the Power-On SRQ switch to On (switch #3 on setting the Power-On SRQ switch to On (switch #3 on
v e r a r an g n ge e
the rear panel in th the rear
enabled, the 3478A Requires Service (generates an enabled, the 3478A Requires Service (generates an
s en s n si t i ti v i ve e
SRQ) each time power is cycled or a reset condition is SRQ) each time power is cycled or a reset condition is
generated by the generated b
n an n y o y ot h t he e r r
failure or selecting the Self-Test). failure or selecting the Self-Test).
a ny o y ot h t he r e r
3-107. Sending Dat 3-107.
a ny o y ot h t he e r r
characters can be displayed at a time by the 3478A's characters can be displayed at a time by the 3478A's
display. display. The legal characters
a ny o y ot h t he e r r
of the 128 ASCII of the
and numbers and numbers can be
a ny y o o t h t he r e r
generate characters which do not resemble the letters. generate characters which do not resemble the letters.
Commas, periods, and semicolons can go between Commas, periods, and semicolons can go between
characters. characters. The ASCII
different modes. The following paragraphs explain the different modes. The following paragraphs explain the
two modes. two modes.
3-108. In one 3-108.
updated. This is enabled updated.
"D23478A DMM" where "3478A DMM" is the message "D23478A DMM" where "3478A DMM" is the message
displayed). In this mode, the ann displayed).
updated. If more updated.
display, the extra characters are ignored until a control display, the extra characters are ignored until a control
character is received. character is rece
than HT (Horizontal Tab), VT (Vertical Tab), LF (Line than HT (Horizontal Tab), VT (Vertical Tab), LF (Line
Field), CR (Carriage Return), or FF (Form Feed), a Field), CR (Carriage Return), or FF (Form Feed), a
Syntax E Syntax Error is generated.
until a "DI" (Selects Normal Display) is sent, a CLEAR until a "DI" (Selects Normal Display) is sent, a CLEAR
message is sent, an error condition occurs, or a front message is sent, an error condition occurs, or a front
panel button is pressed. panel button is pressed.
3-109. The other 3-109.
code "D3". code "D3".
mode, except the display is not updated and all mode, except the display is not updated and all
annunciators are tu annunciators
remains on for about 10 minutes and then the display remains on for about 10 minutes and then the display
goes blank. The display can goes blank.
of the display codes (DI, D2, or D3) or by pressing the of the display codes (DI, D2, or D3) or by pressing the
LOCAL button (if not disabled by the LOCAL LOCKOUT LOCAL button (if not disabled by the LOCAL LOCKOUT
Message). Message).
20.
3-110. 3-110.
(when sent to the 3478A over the HP-IB) are used to set (when sent to the 3478A over the HP-IB) are used to set
l co o d d e e o o f f
the 3478A the 3478A into
program code is "Hn", where n is the number which, program code is "Hn", where n is the number which,
3-12 3-12
(0 = Rear, 1 = Front) (0 = Rear, 1 = Front)
e sent to program t o program the mask. he mask. The mask can be
by sending: sending: "MOO". "MOO". Remember, t
Clearing Status Register (Stat Register (Status Byte)
ading). Bit 6 is the Bit 6 is the SRQ bit which can be
f the SRQ Mask is set to 00.
Power-On SRQ. Power-On SRQ. This feature This
panel in the up posit e up position). ion). When the feature
y the instrument (e.g. instrument (e.g. due to an inst
Sending Data to a to the Display the Display. . Up
The legal characters are decimal 32 t are decimal 32 through 95
128 ASCII characters. characters. Only upper
can be displayed. displayed.
The ASCII characters can characters can be sent
In one display mode, display mode, the display the display is continuously
This is enabled by pr by program code "D
In this mode, the annunciators continue to be
If more than 12 than 12 characters a characters are sent
ived. If the control ch If the control character is different
rror is generated. A "D2" code locks the display A "D2" code locks the display
The other display mode display mode is selected
This mode is the same This mode is the same as the
are turned off. rned off.
The display can be restored b be restored by sending any
Home Commands. Home Commands.
into a a predefined predefined operating
TM 11-6625-3071-14 TM 11-6625-3071-14
The mask can be
Remember, the mask he mask is is
us Byte). . Bits Bits 2 2
the 3478A
SRQ bit which can be
feature is is enabled enabled by by
When the feature is is
due to an instrument rument
Up to to 12 12 ASCII ASCII
hrough 95
Only upper case letters case letters
Lower case let Lower case letters ters
be sent in two in two
is continuously
ogram code "D2" (e.g. 2" (e.g.
unciators continue to be
re sent to the to the
aracter is different
is selected by sen by sending ding
as the previous previous
The text on the The text on the display display
y sending any
The Home The Home Commands Commands
operating state. state. The The