SectionVII

Model3490A

Table7-6. AlphabeticalListingof 34g0A Mnemonics.

Mnemonic Description

Source

Mnemonic Description

 

 

Source

LACI

LACO

HAUT

HAZD

LCDC

HCOC

LCDF

lgER

HCES

f9!C

f9yA

i9yg

l9yc

LCOV HCRA HCRB HCRC LCSO LCTC HDCA LIR HIRA HIBB HIRC LLEC HMA HMB HMC HMD

ly9A

Iy?q

Iy?C

HME

HMF

HMG

ryryg

ly!9

LMOT

llygf ly99 ly99 lIgD

.:yy? :y:_a

:yy:

LMRF HOCB HDCC HDCD HOFL LDNR HDPP

AC input enabte

AC conwrter output switch Internal autorange

Analog zero detect Clear data counter Clear data counter Changedata ftag (HDFL)

Changeend of reading {LEORI Closeelectronic switch

Changehundred thousnd count select Changemain time bit A (HMTA) chanse main time bit B (HMTB) Chanse main time bir C (HMTC)

Ctock overtoad Combined rangebrt A Combined rangebit B Combined range brr C Clear stord outpurs Clear time @unter Data Counter bit A Xt Atten reed Internal range bit A InternalrarEebit g Internalrangebit C Leakagecontrol Machine state bir A Machine state bit B Machine state bit C Machine state bit D Main time bit A detayed Main time bit B detayed Main time bit C detayed Machine state bit E Machine state bit F Machine state bit G

Manual button normaly ctosedcontact Manuat button normaily open contact Memory output

Machine quatifier setectionbir A Machine quatifier setectaonbit B Machine quatifier set&tion bir C Machine quatifier setectionbit D Machine quatifier setectionbit D Machine quatifier setectionbit E Machine quatif ier setectionbit E - Ref select

Data Counter bit B Data Counterbit C Data Counter bit D Data Fte DownraÄe Oisplay p-olaritv

A r u 4 o t

 

l r _ e O n

Alu401

 

 

r_exe

FromHFATor Al 1U1I

 

I

grar

41U203

 

rrra

4 1 U 1 6

 

 

H r r a

A1U23

 

 

xrne

A l u 1 6

 

 

n r n e

A 1 U 1 6

 

s r n c

( H S H C ) Alus

 

 

l

nrsc

U 1 6

 

 

 

t L F T X

u16

 

 

 

 

l

r-nrvc

u 1 6

 

 

 

 

l l r r _ o

u 1 6

 

 

 

l l r e

u 1 6

 

 

l H r r e

5 4o r A t l U 1 I

I H r r e

S 4 o r A 1 1 U 1 1

l l t C

5 4 o r A l l u l 1

l t r n r p

Y19

 

 

r-r'vs
Yl6

 

 

r-roc

ul

 

 

I

ilr.are
u401

 

xMre
u21

 

 

 

xrvrrC
u2t

 

 

 

 

 

I

 

lore

u21

 

 

 

 

 

 

lorn
u4o1

 

 

 

 

r-orurn

Nextstareoutputsfrom

 

I iors

BOM

U9,

present

I

 

frovp

 

state

 

outpursfrom state

I

 

Hovt_

storageU7, U17.

 

I

 

f_pnf

FromSample/Hotdoption

 

I

 

f_pnC

if not instailedthese signats I

ffnep

a r e s m e a s H M T A , B , C .

I

H S n

(se HMAI

I

HSe

(SeeHMA)

 

rSC

(SeeHMA)

 

HSCK

s58

 

 

LScx

ssB

 

 

I

1-5nc
r,!r

 

 

I

usnc
ulo

 

 

I

r_spr_

ulo

 

 

I

usse

u10

 

 

HSSB

u10

 

 

HSSC

ue

 

 

I

lrcr
uto

 

 

I

Hrcz

u9

 

 

srca

u401

 

 

 

H r c l 6 .

u l

 

 

I

ul

 

"

I

Hrca2

ul

 

I

Hrrs

uzo

 

 

I

LTXF

u16

 

 

I

lroru

U22or Rarioor

I

r-Upn

s/Hoprion

I

nzof

End of reading

External encode

Front panel autorange

Front panel function bit A

Front panel function bit B

Front panel rangebit A

Front panel rangebit g

Front panel range bit C

Fast state clock

Falsetransfer

Xl0O Gain

Hold (stopsinterwl sampting)

Xl Atten

Internal function bit A

Internat function bit B

X 1 G a i n

Input polarity

Input short

X 1 0 G a i n

Main time bit A

Main time.bit B

Main time bit C

X0.01 Atten

X0.01 Atten, reed

Ohms ref select

Output enable to decoder

Overload protection

O\rerload

+Ref select Preset range Ratio polarity Display scan A Display scan B Oisplay scanC State clock State clock

Select + 100,000 counts Select + 1OO,0OO@unts Store polarity

Sample rate switch bit A Sample rate sitcfi bit B Sample rate ilitch bit C

Time count 1 (+ l0,OO0 or +l@,OOOI Time count 2

Time count 4 Time count I Time count l6 Time count 32 Transfer enable Transfer

Turnon, low for approx. 100 ms after turn-onUprange

Zero detect

u14

422U1

s4A

S3

s3

5 4o r A 1 1 U 1 1 5 4 o r A l t U l 1

5 4 o r 4 1 t U 1 1 U3

u 1 6 u401

S5Aor A22Ul u401

From53 or At t UlO From53 or At l UtO u401

U2?

u401

u40l u l 4 u l 1 u l 1 u401 u401 u401 U9 u401 u22 u401 u l 6

U22or Ratiooption A3U2

A3U2

43U2

v4

U4

U6

U6 u l 6

s5A

s5B

s5c

Q1

U6

u12

u12

vl2

U9 u 1 8 o3 u l 6 u23

Hprecedingmnemonic means HIGH is true; L means LOW is true.

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1 i ,