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| 型号： | PF2D520-13-1 |
| 厂商： | SMC Corporation of America |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | SENSOR FLOW CHEM 1.8-20L/MIN |
| 标准包装： | 1 |
| 系列： | PF2D |
| 传感范围： | 1.8 ~ 20 LPM |
| 气流传感器类型： | 液体 |
| 输入电压： | 12 V ~ 24 V |
| 端口尺寸： | 母型，1/2"，0.5"（12.7mm）NPT |
| 主体材料： | 钢 |
| 产品目录页面： | 2804 (CN2011-ZH PDF) |
| 其它名称： | 606-1040 |
Digital Flow Switch
Series
PF2A/PF2W
Functions: PF2A, PF2W
Flow rate measurement selection
Real-time flow rate and accumulated flow rate can be selected.
Up to 999999 of flow rate value can be accumulated.
Refer to the operation manual how to set and to operate.
Output types
Real-time switch output, accumulated switch output, or
accumulated pulse output can be selected as an output type.
Unit switching
For Air
Display Real-time flow rate
l /min
CFM x 10 –2, CFM x 10 –1
Accumulated flow
l
ft 3 x 10 –1
Real-time switch output (
)
YES
? Hysteresis mode
ON
OFF
P-2
P-1
ZSE ?
ISE ?
PSE
CFM = ft 3 /min
“P”
High flow rate →
? Window comparator mode
Z
I
SE3
High Flow Rate Type (For Air)
H: Hysteresis
OUT1
SE 12
Display Real-time flow rate Accumulated flow
l /min l , m 3 , m 3 x 10 3
CFM ft 3 , ft 3 x 10 3 , ft 3 x 10 6
High Temperature Fluid Type (For Water)
Display Real-time flow rate Accumulated flow
l /min l
GPM gal (US)
Output
mode
? OUT2 is the same.
NO
YES
H H
ON
OFF
P-1 P-2
High flow rate →
? Hysteresis mode
ON
OFF
n-2 n-1
PS
Z
I
ZSP
ISA2
GPM = gal (US)/min
Note) Fixed SI unit [ l /min or l ] will be set for the type
without the unit switching function.
Flow rate conversion
Basic state: 0 ° C, 101.3 kPa
Standard state: 20 ° C, 101.3 kPa, 65%RH (ANR)
Switchable between these states.
Flow rate measuring unit confirmation
“n”
Note 1) Output mode is set
to inverted output at
the factory before NO
shipment.
Accumulated switch output (
)
High flow rate →
? Window comparator mode
H: Hysteresis
H H
ON
OFF
n-1 n-2
High flow rate →
IS ?
ZSM
PF2 ?
IF ?
Data
This function allows to confirm the accumulated flow rate
when real-time flow rate is selected and to confirm the
ON
real-time flow rate when accumulated flow rate is selected.
Error correction
“P”
OFF
P-3
High flow rate →
LED display
Note 1)
Contents
A current of more than
Solution
Check the load and wiring
OUT1
Output
mode
Note 2)
80mA is flowing to OUT1 for OUT1.
Note 1)
A current of more than
Check the load and wiring
ON
Note 2)
80mA is flowing to OUT2. for OUT2.
The setting data has Perform the RESET
Note 1)
“n”
OFF
n-3
High flow rate →
Note 1)
changed for whatever
reasons.
operation, and reset all
data again.
Note 1) Output mode is set to inverted output at the
factory before shipment.
Note 1)
Note 2)
The flow rate is over the
flow rate measurement
range (for air only).
Reduce the flow rate until it
is within the flow rate
measurement range, using
an adjustment valve.
Accumulated pulse output (
)
Note 1) Applicable for all integrated display types other than series
PF2A7 ?? H and remote type sensor display units.
Note 2) Only for series PF2A7 ?? H.
“P”
ON
OFF
Key lock
This function prevents incorrect operations such as
OUT1
Output
mode
50 msec
OFF
changing the set value accidentally.
Accumulation clearance
This is to clear the accumulated value.
Initialization of setting (Only for series PF2A7 ?? H)
This is to restore the setting to the initial state when
dispatched from the factory.
ON
Note 1)
“n”
Note 1) For digital flow switch with unit switching function.
(Fixed SI unit [ l /min, or l , m 3 or m 3 x 10 3 ] will be set
for switch types without unit switching function.)
Refer to the specifications of display unit for the flow
rate value per pulse.
16-11-31
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