If the laser beam is emitted but there is
If the laser beam is emitted but there is no velocity signal, check the following:
no velocity signal, check the following:
1.
1. Is t
Is the P
he PSV c
SV correc
orrectly c
tly cabled
abled as de
as descri
scribed i
bed in
n sec
sec
tio
tio
n
n
3.4
3.4
.2
.2
?
?
2.
2. Put a ma
Put a matt whi
tt white test s
te test surfa
urface suc
ce such as a piece of p
h as a piece of paper at ap
aper at approx
proximat
imately
ely
20
20 cm from the front panel of the scanning head in the beam path. Does
cm from the front panel of the scanning head in the beam path. Does
the signal level display react?
the signal level display react?
Check the correct function of the data acquisition board and the software as
Check the correct function of the data acquisition board and the software as
follows:
follows:
3.
3. Disc
Disconnec
onnect the BNC ca
t the BNC cable for the vel
ble for the velocit
ocity signa
y signal from the BN
l from the BNC jack VE
C jack VELO
LO
on the front of the junction box.
on the front of the junction box.
4.
4. Feed t
Feed the sign
he signal of a fu
al of a functi
nction gene
on generator t
rator to this B
o this BNC jac
NC jack.
k.
5.
5. Disp
Display the ti
lay the time sign
me signal in an analy
al in an analyzer as des
zer as describ
cribed in your s
ed in your soft
oftware
ware
manual.
manual.
Now check the output signal of
Now check the output signal of the controller as follows:
the controller as follows:
6.
6. Re-c
Re-connec
onnect the velo
t the velocity s
city signa
ignal to the BN
l to the BNC jack V
C jack VELO on t
ELO on the front o
he front of the
f the
junc
junction
tion box.
box.
7.
7. Disp
Display the t
lay the time sig
ime signal in an ana
nal in an analyze
lyzer as desc
r as described in y
ribed in your sof
our softwar
tware
e
manual.
manual.
8
8.. S
Se
et t
t th
he m
e me
eas
asur
ure
em
men
ent r
t ran
ange
ge tto 1
o 10
0
. D
. Do
oes
es tthe
he ou
outp
tput
ut s
sig
ign
nal
al re
reac
act t
t to
o
the test surface mov
the test surface moving
ing ?
?
9.
9. If the out
If the output sig
put signal does no
nal does not react
t react, check w
, check whethe
hether a signif
r a significant D
icant DC offs
C offset is
et is
present.
present.
10.
10. Block the laser beam. Is th
Block the laser beam. Is the output signal noisy or is a straight line
e output signal noisy or is a straight line
shown?
shown?
mm
mm
s
s
----------
----------
V
V
⁄
⁄
Содержание PSV 300
Страница 33: ...Figure 3 16 Cabling of the controller s back panel Figure 3 16 Cabling of the controller s back panel...
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Страница 73: ...Figure 7 2 Views of the scanning head OFV 056 Figure 7 2 Views of the scanning head OFV 056...
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Страница 93: ...Figure D 1 PSV 300 declaration of conformity Figure D 1 PSV 300 declaration of conformity...
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