PIM00411
12-6
12.3
Pressure / flow rate property and PQ selection
12.3.1
PQ selection parameter
You can set several parameters in every PQ selection number, such as, maximum pressure, maximum flow rate,
acceleration and deceleration time of pressure / flow rate at the time of switching PQ number.
Display
Sign *
Parameter Name
Unit
PL*
Low-pressure side pressure setting
MPa
QL*
Low-pressure side flow rate setting
L/min
UT*
Acceleration time setting
“P13: PQ selection 0”
～
“P28: PQ selection 15”
DT*
Deceleration time setting
sec/MPa
sec/1000min
-1
* : The PQ selection number (hexadecimal) is displayed in the *.
Pressure and flow rate characteristic curve can be set by the parameter as shown in the figure below.
Flow rate
0
pressure
「PL*：Low-pressure
side pressure setting」
「
QL*
：
Low-pressure
side flow rate setting
」
12.3.2
PQ selection
The PQ number can be selected by switching the digital input signal. The pressure command, the flow rate
command which is set by the parameter in advance can be switched.
In addition, the acceleration or deceleration time of pressure / flow rate at the time of switching PQ number also
can be changed.
By combining DIN2 ~ DIN5, the pressure and flow rate command value can be selected, as shown in the following
table.
■
Select the PQ selection number by digital input signal
Digital input signal
DIN2
DIN3
DIN4
DIN5
PQ selection
number
The parameters
of the selected
pressure and
flow command
Bit0
Bit1
Bit2
Bit3
0
P13
OFF
OFF
OFF
OFF
1
P14
ON
OFF
OFF
OFF
2
P15
OFF
ON
OFF
OFF
3
P16
ON
ON
OFF
OFF
4
P17
OFF
OFF
ON
OFF
5
P18
ON
OFF
ON
OFF
6
P19
OFF
ON
ON
OFF
7
P20
ON
ON
ON
OFF
8
P21
OFF
OFF
OFF
ON
9
P22
ON
OFF
OFF
ON
10
P23
OFF
ON
OFF
ON
11
P24
ON
ON
OFF
ON
12
P25
OFF
OFF
ON
ON
13
P26
ON
OFF
ON
ON
14
P27
OFF
ON
ON
ON
15
P28
ON
ON
ON
ON
