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10.7 Leak Test
The ER3000 can be leak tested using the DOS Tune program or the Windows
ER3000(CVI) program. Prior to running the leak test, ensure the following items
are done.
• ER3000 wired up and communicating to the computer.
• 100psi is applied to the inlet of the ER3000.
• The outlet port of the ER3000 is plugged.
10.7.1 Windows ER3000 Program
Tuning
Control Mode: Manual
Sensor Range: 0/100
(Min/Max)
Procedure:
• Open "PLOT" and "SIGNAL GENERATOR" Screens
• Click on Setpoint 1, wait until feedback reaches 0
• Click on Setpoint 2
• Watch the feedback signal for 25 seconds, it should remain constant
• Change Setpoint 1 to 100
• Click on Setpoint 1
• Wait for feedback to stabilize, which takes approximately 5 seconds
• Click on Setpoint 5
• Watch feedback signal for 25 seconds, it should remain constant
• If leaking, plug exhaust port with finger and release
10.7.2 DOS Tune Program
i = 50
S
e
t
p
o
S
e
t
p
o
j = 0
S
e
t
p
o
S
e
t
p
o
l =
W
a
v
e
W
a
v
e
toggle
D
i
s
p
l
D
i
s
p
m = -5
Procedure:
• From the TUNE Main Screen, select 'b' to run plot.
• Press "spacebar" to toggle Setpoint to 0.
• Wait until Feedback reaches 0.
• Press "spacebar" to toggle Setpoint to 50.
• Watch the Feedback (FB) signal for 25 seconds.
• Change 'j' (Setpoint #2) to 100.
58 ER3000 User Manual
Setup Screens as Shown in Table
Signal Gen.
S
i
g
n
a
l
T
y
p
S
i
g
n
a
l
T
y
p
S
e
t
p
o
i
n
t
1
S
e
t
p
o
i
n
t
1
S
e
t
p
o
i
n
t
2
S
e
t
p
o
i
n
t
2
If feedback increases, the inlet solenoid is leaking
If feedback decreases, the unit is leaking
If pressure buildup at exhaust, then exhaust solenoid is leaking
Main Screen Settings
i
n
t
#
1
n = 105
i
n
t
#
1
i
n
t
#
2
o = 5
i
n
t
#
2
T
y
p
e
w = 0
T
y
p
e
a
y
,
L
o
w
e
r
x = 100
l
a
y
,
L
o
w
e
r
If feedback increases, the inlet solenoid is leaking
e
:
T
o
g
g
l
e
A
x
e
:
T
o
g
g
l
e
A
x
:
0
(
M
:
0
(
:
5
0
A
x
:
5
0
A
x
D
i
s
p
l
a
y
,
U
p
p
e
r
D
i
s
p
l
a
y
,
U
p
p
e
r
T
i
m
e
b
a
s
e
T
i
m
e
b
a
s
e
S
e
n
s
o
r
R
a
n
g
e
,
L
S
e
n
s
o
r
R
a
n
g
e
,
L
S
e
n
s
o
r
R
a
n
g
e
,
H
S
e
n
s
o
r
R
a
n
g
e
,
H
Plot
i
s
,
V
e
r
t
i
c
a
l
:
-
5
/
1
0
5
i
s
,
V
e
r
t
i
c
a
l
:
-
5
/
1
0
5
i
n
/
M
a
x
)
M
i
n
/
M
a
x
)
i
s
,
T
i
m
e
:
5
i
s
,
T
i
m
e
:
5
Setup Screen Settings
a
=
1
0
0
(
a
p
p
a
=
1
0
0
(
a
p
p
b
=
0
(
a
p
p
r
o
b
=
0
(
a
p
p
r
o
o
w
c
=
M
a
n
u
a
l
o
w
c
=
M
a
n
u
a
l
i
g
h
d
=
D
i
g
i
t
a
l
i
g
h
d
=
D
i
g
i
t
a
l
Misc.
S
p
a
n
:
1
0
0
S
p
a
n
:
1
0
0
Z
e
r
o
:
0
Z
e
r
o
:
0
(
N
e
e
d
n
o
t
b
e
(
N
e
e
d
n
o
t
b
e
e
x
a
c
t
)
e
x
a
c
t
)
r
o
x
.
)
S
p
a
n
r
o
x
.
)
S
p
a
n
x
.
)
Z
e
r
o
x
.
)
Z
e
r
o
M
o
d
e
M
o
d
e
S
e
t
p
o
i
n
t
S
e
t
p
o
i
n
t
S
o
u
r
c
e
S
o
u
r
c
e
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