Sierra Monitor Corporation PF2A7H - Manual (Page 4)

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Unit Specification
No Symbol: Unit selection function provided
-M: SI units fixed
Lead Wire Specification
No Symbol: Lead wire with connector 3m
N: None Lead wire with connector
PF2A7 H
Flow Rate Range
03: 150 to 3000 /min
06: 300 to 6000 /min
12: 600 to 12000 /min NOTE1:
The revised Measurement Law of Japan
does not allow use of meters or measuring
instruments, which have a unit selection
function, in Japan.
NOTE2: The fixed unit
For instantaneous flow rate is : /min
For integrated flow rate is : , m
3 , m 3 10 3
Port Screw Type
No Symbol: Rc N: NPT F: G
Body
Flow switch sensor body.
The arrow on the side of
the body indicates the
direction of flow.
Display Part
Output ( OUT1) Lamp : Lit when OUT1 is ON.
Flickers when an overcurrent error occurs.
Flow display : Instantaneous flow, integrated flow and set value are
displayed.
Flow check display : Flickering interval varies depending on the flow.
Unit display : Selected unit is displayed. Single unit type is displayed
in SI unit ( /min or , m 3 , m 3 10 3 ).
Button (UP) : Selects a mode and increases a set ON/OFF value.
Button (DOWN) : Selects a mode and decreases a set ON/OFF value.
Button (MODE) : Changes the mode.
Button (SET) : Changes the mode and sets a set value.
RESET
Pressing the and buttonssimultaneously will activate the RESET
function. Use this
function to clear errors
when a trouble occurs.
Body
Lead wire with connector
on one end (option)
Piping Port (OUT)
Display part
Connector
Piping port
(IN)
Flow check display
Output (OUT1)
display
Button( MODE)
Button (DOWN)
Button ( UP)
Button (SET)
ANR
OUT
Unit display
Flow display
Accessories
(When no symbol is specified
for wiring in the type specification)
Lead wire with connector on one end
(3 m in length )
Names and Functions of Individual Parts
Output Specification
28: NPN open collector 1output
+ Analog output (1 to 5V)
29: NPN open collector 1output
+ Analog output (4 to 20mA)
68: PNP open collector 1output
+ Analog output (1 to 5V)
69: PNP open collector 1output
+ Analog output (4 to 20mA)
Model Indication Method
Piping Port
10: Port size 1 (Applicable for PF2A703H)
14: Port size 1 1/2 (Applicable for PF2A706H)
20: Port size 2 (Applicable for PF2A712H)
Piping port
This port connects with
pipeline. Use a pipe fitting to
connect with external pipeline.