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Programming Guide:
Programming Guide:
1. Perform auto-tuning to the system under such condition that the material
1. Perform auto-tuning to the system under such condition that the material
( ie. pressure ) is exhausted at typical rate. A typical value for PB1 is about
( ie. pressure ) is exhausted at typical rate. A typical value for PB1 is about
2
10 Kg/cm , TI1 is about 1 second, TD1 is about 0.2 second.
10 Kg/cm , TI1 is about 1 second, TD1 is about 0.2 second.
2. If the process oscillates around set point after auto-tuning, then increase
2. If the process oscillates around set point after auto-tuning, then increase
PB1 until the process can be stabilized at set point. The typical value of PB1
PB1 until the process can be stabilized at set point. The typical value of PB1
is about half to two times of the range of pressure sensor.
is about half to two times of the range of pressure sensor.
3. Increase FILT ( Filter ) can further reduce oscillation amplitude. But a value
3. Increase FILT ( Filter ) can further reduce oscillation amplitude. But a value
of FILT higher than 5 ( seconds ) is not recommended. A typical value for FILT
of FILT higher than 5 ( seconds ) is not recommended. A typical value for FILT
is 0.5 or 1 .
is 0.5 or 1 .
4. Close the valves and examine that if the controller can shut off the pump
4. Close the valves and examine that if the controller can shut off the pump
each time. The value of REFC is adjusted as small as possible so that the
each time. The value of REFC is adjusted as small as possible so that the
controller can shut off the pump each time when all the valves are closed. A
controller can shut off the pump each time when all the valves are closed. A
typical value for REFC is between 3 and 5.
typical value for REFC is between 3 and 5.
5. An ordinary pump may slowly lose the pressure even if the valves are
5. An ordinary pump may slowly lose the pressure even if the valves are
completely closed. Adjust SP2 according to the rule that a more negative
completely closed. Adjust SP2 according to the rule that a more negative
value of SP2 will allow the pump to be shut off for a longer time as the valves
value of SP2 will allow the pump to be shut off for a longer time as the valves
are closed. A typical value for SP2 is about -0.50 Kg/cm .
are closed. A typical value for SP2 is about -0.50 Kg/cm .
An
An
Example
Example
is given in
is given in
section 5-1
section 5-1
4 13 Remote Lockout
4 13 Remote Lockout
The parameters can be locked to prevent from being changed by using either
The parameters can be locked to prevent from being changed by using either
Hardware Lockout
Hardware Lockout
(see
(see
the parameters to be locked by using an external switch (remote lockout
the parameters to be locked by using an external switch (remote lockout
function), then connect a switch to terminals 10 and 11 (see
function), then connect a switch to terminals 10 and 11 (see
choose
choose
LOCK
LOCK
for
for
EIFN
EIFN
(see
(see
If remote lockout is configured, all parameters will be locked as the external
If remote lockout is configured, all parameters will be locked as the external
switch is closed. When the switch is left open, the lockout condition is
switch is closed. When the switch is left open, the lockout condition is
determined by internal DIP switch (hardware lockout, see
determined by internal DIP switch (hardware lockout, see
Hardware Lockout:
Hardware Lockout:
Can be used only during initial setup.
Can be used only during initial setup.
Remote Lockout:
Remote Lockout:
Can be used any time.
Can be used any time.
for pump control.
for pump control.
Section 1-3
Section 1-3
) or
) or
Remote Lockout
Remote Lockout
Section 4-1
Section 4-1
).
).
2
or
or
both
both
. If you need
. If you need
Section 2-10
Section 2-10
), and
), and
Section 1-3
Section 1-3
).
).
UM25001C
Remote Lockout:
Remote Lockout:
1.Connect external switch to terminal
1.Connect external switch to terminal
and
and
.
.
10
11
2. Set
2. Set
LOCK
LOCK
for
for
EIFN
EIFN
3. Lock all parameters
3. Lock all parameters
81
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