-12-
No.PS##-OML0003-B
Terms Meaning
Insulation resistance
Insulation resistance of a product itself. The resistance between an electric
circuit and a body.
Indication resolution
How fine the rated pressure range can be segmented. (Example: If a product
for 0 to 1 MPa can indicate pressure by 0.001 MPa, the indication resolution is
1/1000.)
Indication light The light that turns on when the switch output is on.
I
Indication unit The unit of pressure used in the display.
K
Key lock (function)
Prohibits a change in the setting of the Pressure switch (locks button
operation).
L
Load impedance See "Max. load impedance".
Manual setup
Manual pressure setup without using auto preset. This term is used to
discriminate from the pressure setup using auto preset.
Master Pressure switch
A Pressure switch which copies another Pressure switch's settings when using
the copy function.
Max. applied voltage
The maximum value of applied voltage available to the output line of the NPN
output.
Max. load current The maximum current available to the output (output line) of the switch output.
Max. (Min.) load impedance
The maximum (minimum) load (resistance value and impedance) which can be
connected to the output (output line) of the analog current output.
Measurement mode
The condition in which the pressure is being detected and indicated and switch
operation is enabled.
M
Min. setting unit Refer to "digit".
Normal output
One of the switch output types, and means the operation in which a switch is
turned on when pressure equal to the switch output set value or more is
detected. In the (hysteresis mode) window comparator mode, it indicates the
operation in which a switch is turned on when pressure in the switch output
range (n1L to n1H or n2L to n2H) is detected.
(Refer to "List of output mode" on page 29.)
N
NPN (open collector) (output) The switch that uses the NPN transistor for output.
Operating mode There are two choices, hysteresis mode and window comparator mode.
Output impedance
The resistance value of a component between the voltage outputting element
and the output line at the output of the analog voltage output. It is indicated as
a resistance value which is converted in accordance with the condition in which
resistance is directly connected to the voltage output element. There may be
an error in the output voltage depending on this output impedance and the
input impedance of customers' equipment. (Example: If the Pressure switch
with output impedance of 1kΩ is connected to the A/D converter to detect the
analog output of 5V, the detected voltage by the A/D converter becomes 5(V)
× 1(MΩ)/(1(kΩ) + 1(MΩ)) ≒ 4.995(V), and there is an error of approximate
0.005 V.)
O
Output style
The operation theory of the switch output. Either normal output or reversed
output can be selected.
Refer to "List of output mode" on page 29 for the operation status.
Peak value indication (mode) Shows the maximum pressure reached at that moment.
Piping-port size
The size of the port on the switch body with which a device and the switch are
connected.
P
PNP (open collector) (output) The switch that uses the PNP transistor for output.
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