HP 3478A Technical Manual page 20

3 3 - - 1 1 . . I I N N T T R R O O D D U U C C T T I I O O N N
3- 3-2. 2. This is Th sect ctio ion se
instructions for the operation of the 3478A Multimeter, instructions for the operation of the 3478A Multimeter,
showing front panel and remote operation. The showing front panel and remote operation. The
information is an abbreviated description of the operation information is an abbreviated description of the operation
and is written for a Service Trained Person, rather than and is written for a Service Trained Person, rather than
an Operator. For more complete operating instructions, an Operator. For more complete operating instructions,
refer to the 3478A's Operators Manual. To familiarize refer to the 3478A's Operators Manual. To familiarize
yourself with the front and rear panel features or for a yourself with the front and rear panel features or for a
review of instrument operations, refer to Figure 3-1. review of instrument operations, refer to
3- 3-3. 3. Th The O e Ope pera rati tion on Se
following major areas: General Information, Front Panel following major areas: General Information, Front Panel
Operation, Shifted Operation, Miscellaneous Operation, Operation, Shifted Operation, Miscellaneous Operation,
and Remote Operation (HP-IB). It is suggested that you and Remote Operation (HP-IB). It is suggested that you
read the Remote Operation Chapters last, since you read the Remote Operation Chapters last, since you
need to know the other operations to understand the need to know the other operations to understand the
remote operations. The major areas are as follows: remote operations. The major areas are as
a. a. Ge Gene nera ral I l Inf nfor orma mati tion
T T i i t t l l e e
A A C C P P o o w w e e r r O O p p e e r r a a t t i i o o n n
T T u u r r n n - - O O n n
D D i i s s p p l l a a y y
I I n n p p u u t t T T e e r r m m i i n n a a l l s s
I I n n p p u u t t T T e e r r m m i i n n a a l l s s C C l l e e a a n n i i n n g g
b. b. Fr Fron ont P t Pan anel el Op Oper erat atio ion -
T T i i t t l l e e
D D C C V V o o l l t t s s M M e e a a s s u u r r e e m m e e n n t t s s
A A C C V V o o l l t t s s M M e e a a s s u u r r e e m m e e n n t t s s
R R e e s s i i s s t t a a n n c c e e M M e e a a s s u u r r e e m m e e n n t t s s
D D C C C C u u r r r r e e n n t t M M e e a a s s u u r r e e m m e e n n t t s s
A A C C C C u u r r r r e e n n t t M M e e a a s s u u r r e e m m e e n n t t s s
R R a a n n g g i i n n g g
T T r r i i g g g g e e r r i i n n g g
c. c. Sh Shif ifte ted O d Ope pera rati tion on - paragraph 3-50.
T T i i t t l l e e
N N u u m m b b e e r r O O f f 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
A A u u t t o o z z e e r r o o
S S e e l l f f - - T T e e s s t t / / R R e e s s e e t t O O p p e e r r a a t t i i o o n n
C C a a l l i i b b r r a a t t i i o o n n
d. d. Mi Misc scell ellan aneo eous Op us Oper erat ation
T T i i t t l l e e
V V o o l l t t m m e e t t e e r r C C o o m m p p l l e e t t e e
e. e. Re Remo mote te Op Oper erat atio ion n - paragraph 3-69.
n has h as th the e i inf nfor orma mati tion
Figure 3-1.
Sect ctio ion i n is s s sep epar arat ated ed in into to th the e
follows:
on - - paragraph 3-4. paragraph 3-4.
P P a a r r a a g g r r a a p p h h
3 3 - - 5 5
3 3 - - 7 7
3 3 - - 1 1 0 0
3 3 - - 1 1 2 2
3 3 - - 1 1 5 5
n - paragraph 3-17. paragraph 3-17.
P P a a r r a a g g r r a a p p h h
3 3 - - 1 1 8 8
3 3 - - 2 2 2 2
3 3 - - 2 2 6 6
3 3 - - 3 3 0 0
3 3 - - 3 3 4 4
3 3 - - 3 3 8 8
3 3 - - 4 4 3 3
- paragraph 3-50.
P P a a r r a a g g r r a a p p h h
3 3 - - 5 5 4 4
3 3 - - 5 5 7 7
3 3 - - 6 6 0 0
3 3 - - 6 6 3 3
ion - paragraph 3-66. - paragraph 3-66.
P P a a r r a a g g r r a a p p h h
3 3 - - 6 6 7 7
- paragraph 3-69.
SECTION III SECTION III
OPERATION OPERATION
on an and d
3 3 - - 4 4 . .
3 3 - - 5 5 . .
3- 3-6. 6.
sure the power source matches the power requirement sure the power source matches the power requirement
of the multimeter (as marked on the rear panel). If the of the multimeter (as marked on the rear panel). If the
instrument is incompatible with the power source, instrument is incompatible with the power source, refer to
Section II of this manual for power requirement Section II of this manual for power requirement
modification. modification.
3 3 - - 7 7 . .
3- 3-8. 8.
multimeter goes through an Internal Test routine. During multimeter goes through an Internal Test routine. During
the test, a certain message or characters may be the test, a certain message or characters may be
displayed for abour l/4 second. When the test is displayed for abour l/4 second. When the test is
completed and the 3478A passes the test, the 3478A's completed and the 3478A passes the test, the 3478A's
remote (HP-IB) address will be displayed for about one remote (HP-IB) address will be displayed for about one
second. The address is displayed as "HPIB ADRS, dd", second. The address is displayed as "HPIB ADRS, dd",
where "dd" is the address code of the instrument. If the where "dd" is the address code of the instrument. If the
Self-Test fails, refer to Section VII of this manual for Self-Test fails, refer to Section VII of this manual for
troubleshooting information. For more information on the troubleshooting information. For more information on the
Self-Test, refer to paragraph 3-58. Self-Test, refer to
3- 3-9. 9.
goes to its turn-on state which is: goes to its turn-on state which is:
FUNCTION .............................................DCV FUNCTION .............................................DCV
RANGE ...................................................AUTO RANGE ...................................................AUTO
TRIGGER ...............................................INTERNAL TRIGGER ...............................................INTERNAL
AUTOZERO ............................................ON AUTOZERO ............................................ON
NUMBER OF DIGITS DISPLAYED.........5 NUMBER OF DIGITS DISPLAYED
3 3 - - 1 1 0 0 . .
3-11. 1. 3-1
Liquid Crystal Display (LCD) with 12 annunciators. The Liquid Crystal Display (LCD) with 12 annunciators. The
display is normally used to show readings, however, the display is normally used to show readings, however, the
display can also show alphanumeric messages (sent display can also show alphanumeric messages (sent
remotely). The four characters to the right show the remotely). The four characters to the right show the
function (and to a certain extent, the range) and the 8 function (and to a certain extent, the range) and the 8
3-1 3-1
T T i i t t l l e e
General ......... General .................. .................. ..................
3478A Response to Bus 3478A Response to Bus
Messages.................... Messages........... .................. ...............
3478A Addressing................ 3478A Addressing......................
Talk-Only Mode (No Talk-Only Mode (No
Controller) Controller) ......... .................. .................. ................
3478A HP-IB Programmin 3478A HP-IB Progr amming g ....
Advanced programming............. Advanced pr ogramming............. 3-117
G G E E N N E E R R A A L IN L INF F O O R R M M A A T T I I O O N N
A A C C P P o o w w e e r r O O p p e e r r a a t t i i o o n n
Befo fore re co Be conn nnec ecti ting ng ac ac po powe
T T u u r r n n - - O O n n
When t Whe n the he 34 3478 78A i A is f s fir irst st tu turn rned
paragraph 3-58.
On Once ce th the e Se Self- lf-Tes Test t is is co
D D i i s s p p l l a a y y
The The Dis Displa play y is a is a 12 12 cha
TM 11-6625-3071-14 TM 11-6625-3071-14
P P a a r r a a g g r r a a p p h h
........... .. 3-70 3-70
......3-74 3-74
......3-92 3-92
.......3-96 3-96
....... ...3-98 3-98
3-117
wer t r to t o the he 34 3478 78A, A, mak make e
refer to
ed on on, t , the he
comp mple lete ted, d, th the 3 e 347 478A 8A
.........5
charac racter ter alp alphan hanume umeric ric