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5-17 .
REVER SE CHAN NEL CHE CK.
Action
R es u lt
α.
(1)
Set the
p
ower suppl y to +5 V ±O .1 V;
co nn ect - to GND.
d.
e.
f.
(1)
(2)
g .
inf
o
rm
atio
n.)
(5)
(2)
Connect
L
og ic
P
robe suppl y leads to
p
ower supply.
(3)
Connect
L
ogi c
P
robe
p
o in t to rear
P
robe indicates OPEN circuit.
p
anel RVS CH A N
j
ac k (m ini-phone
plu g conn ector) .
b .
Se nd Co ntrol Character
ON).
ε.
Se nd Con trol Character
OFF).
Se nd Co ntrol Character
Se nd Co ntrol Character
Sta r t over aga
i
n .
σ
σ
Ο
Se nd UN -li sten Comm and
(1)
Se nd Control Characters
(REV CHAN
Probe indicates LO .
(REV CHAN
Probe indicates OPEN
c
irc ui t.
θ
P
robe in dicates
L
O.
P
robe stays LO .
W
i
t
h
o
u
t
fi rst sending Ι _
isten Address,
P
robe stays
L
O .
se nd Co ntrol Ch aracter 0
Send Device Clear Command.
P
robe indicates OPEN circuit.
Sect
i
o
n
V - Ma
in
te
n
a
n
ce
M
odel 59313Α
5-18 .
Α/D CO NVERTER CHE CK. Thi s chec k tests whatever
r
ange the channel happens to be set to . If desired
the range se lection jumper can be
m
ov ed to another
p
os ition and this check re peated
f
or each
o
f t h e oth er 3
ranges. See Figure 2-2
f
or
t
he ra nge se lection jumper p os i t ion s.
α.
Co nnect the variab le
p
ower suppl y to one of the 4 c h annel inpu ts, and program the co ntrol ler to do the
following loop :
Π (
p
receded by
Li
ste
n
Address) .
F AI
Channel se lect character
f
or c ha nn el un der test .
(2)
Send Talk Address .
(3)
R
ead and store 2 bytes of data
f
rom
t
he HP-113 .
(4)
P
rocess
t
h
e
2 bytes
o
f
data a
n
d
d
i
s
pl
ay
t
h
e result .
(See
o
p
erat
i
ng §ect
i
o
n f
or
process
i
ng
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