HP 16500B User Reference page 27

Protocol
Pr ot ocol gover ns t he f l ow of dat a bet w een t he i nst r um ent and t he ext er nal
devi ce.
Sel ect t he Communications f i el d.
1
RS-232C
Sel ect t he f i el d l ocat ed di r ect l y under t he H P- I B Addr ess f i el d.
2
Sel ect t he f i el d di r ect l y t o t he r i ght of " Pr ot ocol " i n t he RS- 232C
3
Conf i gur at i on pop- up m enu.
W hen t he pop- up appear s, sel ect None or
4
None
•
W i t h l ess t han a 5- w i r e i nt er f ace, sel ect i ng None does not al l ow t he
sendi ng or r ecei vi ng devi ce t o cont r ol how f ast t he dat a i s bei ng sent . N o
cont r ol over t he dat a f l ow i ncr eases t he possi bi l i t y of m i ssi ng dat a or
t r ansf er r i ng i ncom pl et e dat a.
•
W i t h a f ul l 5- w i r e i nt er f ace, sel ect i ng None al l ow s a har dw ar e handshake
t o occur . W i t h a har dw ar e handshake, har dw ar e si gnal s cont r ol dat a f l ow .
The HP 13242G cabl e al l ow s t he HP 16500B t o suppor t har dw ar e
handshake.
Xon/Xoff
•
Xon/ Xof f st ands f or Tr ansm i t On/ Tr ansm i t Of f . W i t h t hi s m ode, t he
r ecei ver cont r ol s t he dat a f l ow and can r equest t hat t he pr i nt er st op dat a
f l ow at any t i m e.
Sel ect Done.
5
D ata Bi ts
Dat a bi t s ar e t he num ber of bi t s sent and r ecei ved per char act er t hat
r epr esent t he bi nar y code of t hat char act er . The HP 16500B suppor t s t he
8- bi t bi nar y code.
Configuring the HP-IB and RS-232C
Configuring the RS-232C Interface
Xon/Xoff
.
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