8230E Optical Power Meter Operation Manual
4.5 Status Register
4-8
4.5
Status Register
The status of the instrument can be checked from a personal computer because this instrument has a hierar-
chical status register structure.
The status register structure of this instrument is shown in Figure 4-1.
The description of each register is shown in Table 4-1 to Table 4-4.
No SRQ sending function exists.
Figure 4-1 Status Register Structure
Under
r
ange
Over
r
ange
E
nd of
c
alibra
tion
E
nd of
Z
E
R
O
E
nd of
meas
ur
eme
nt
Quer
y data
Output buf
fe
r
Da
ta
e
xis
ts
M
eas
ur
em
ent
dat
a
Z
E
R
O
exe
cution er
ro
r
No s
ens
or
connection
Sens
or
d
ata s
um chec
k er
ro
r
Se
lf te
st
e
rror
ADC
exe
cution er
ro
r
USB
communi
ca
tion
er
ro
r
L
ow ba
tte
ry
volta
ge
C
alibra
tion e
rror
C
ommand ar
gument
er
ro
r
C
ommand exe
cution er
ro
r
C
omma
nd
fo
rma
t e
rro
r
Non-
re
cognition command
S
et
when
th
e power
tu
rn
s on.
