SMC Networks PSE300A Series Manual page 12

PSE300A
Series
Function Details
Auto-preset function (F4)
A
This function, when selected in the initial setting, calculates and stores the set value from the measured pressure. For example, if this function is used for
suction verifi cation, the optimum set value is determined automatically by repeating vacuum and break with the target workpiece several times.
Suction Verifi cation
High
Suction
Vacuum
Workpiece 1
Max. A
_
P 1
H _ 1
_
n 1
Max. B
Released
Workpiece 1
Atmosphere
B Display value fi ne adjustment function (F6)
Fine adjustment of the indicated value of the
pressure sensor can be made within the range of
±5 % of the read value. (This eliminates wide
variations of the indicated value.)
C Peak/Bottom value indication function
This function constantly detects and updates the maximum
(minimum) pressure when the power is supplied, and allows to hold
the maximum (minimum) pressure value.
The held value is maintained even if the power supply is cut.
When the and buttons are simultaneously pressed for 1
second or longer, while "holding", the held value will be reset.
F Error display function
This function displays error location and content when a problem or error has occurred.
Error name Error code
Over current
error
Residual
pressure error
Applied
pressure error
System error
Copy error
If the error cannot be reset after the above measures are taken, or errors other than those above are displayed, please contact SMC for investigation.
11
Workpiece 2 Workpiece n
Workpiece 2 Workpiece n
Load current of 80 mA or more is applied to the switch output.
During zero-clear operation, pressure over ±7 % F.S. (±3.5 % F.S. for
compound pressure) is present. Note that the mode is returned to
measurement mode automatically 1 second later. The zero-clear range
varies by ±1 % F.S. due to variation between individual products.
Supply pressure exceeds the maximum set pressure.
Supply pressure is below the minimum set pressure.
A sensor may be disconnected or mis-wired.
Internal data error
The copy function does not operate properly.
The F in ( ) shows the function code number. Refer to the operation
manual for details on operation procedures and function codes.
Formula for Obtaining the Set Value
P_1 or P_2
P_1(P_2)=A−(A−B)/4
n_1(n_2)=B+(A−B)/4
±5 % R.D.
+
Applied pressure
0
Indicated value at the time of shipment
Adjustable range of display
value fi ne adjustment function
D Key-lock function
This function prevents operation errors such as accidentally chang-
ing setting values.
E Zero-clear function
This function clears and resets the zero value on the display of
measured pressure. The indicated value can be adjusted within ±7 %
F.S. of the pressure at the time of factory shipment. (±3.5 % F.S. for
compound pressure)
Description
H_1 or H_2
H_1(H_2)= (A−B)/2
∗ When the display value fi ne
adjustment function is used,
the set pressure value may
change ±1 digit.
Action
Turn the power off and remove the
cause of the over current. Then
supply the power again.
Perform zero-clear operation again
after restoring the applied pressure to
an atmospheric pressure condition.
Reset applied pressure to a level
within the set pressure range.
Check the sensor connection.
Turn the power off and then on
again. If the failure cannot be
solved, please contact SMC for
investigation.
After clearing the error by pressing
the and buttons simulta-
neously for a minimum of 1 second,
check the wiring and the model, and
then attempt to copy again.