Related Manuals for Sierra Monitor Corporation PF2A7H
Summary of Contents for Sierra Monitor Corporation PF2A7H
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Page 1: Instruction Manual
FOR AIR Digital Flow Switch Large Flow Rate Type Instruction Manual PF2A7 H Series □ URL http://www.smcworld.com... -
Page 2: Table Of Contents
Thank you for purchasing the SMC PF2A7□H Series Digital Flow Switch. Please read this manual carefully before operating digital flow switch and understand digital flow switch, its capabilities and limi- tations. Please keep this manual handy for future reference. OPERATOR ●This operation manual has been written for those who have... -
Page 3: Safety
・Install a filter and/or mist seprator on the primary side ( inlet side) if foreign matter is feared to mix in a fluid. ・Flush the dust in the piping with air blow before piping the switch. ・Do not push the setting buttons by a sharply pointed object. -
Page 4: Model Indication Method
● ＊RESET Pressing the function. Use this function to clear errors when a trouble occurs. Body Flow switch sensor body. The arrow on the side of the body indicates the direction of flow. N: NPT F: G Piping port This port connects with pipeline. -
Page 5: Installation
●Withstand pressure is 2.25 MPa. ●Do not install a flow switch at a foothold position. ●Install a flow switch so that the flow direction agrees with the arrow direction on the side of the body. ●Mount the body so that the bottom of the body does not face upward. -
Page 6: Example Of Internal Circuit And Wiring
●Turn off power before connecting or disconnecting the connector. ●To insert the connector, push the connector socket of the lead wire to the key part of the switch connector after aligning them to each other and secure the connector with the lock nut. -
Page 7: Setting
(Output spec. selecting mode). ▲ ● 8. Flow conversion mode ● MODE Normal mode OUT1 Output Specifications Instantaneous switch output (oU1_0) See "Flow rate setting mode" to input setting value. button at each ▼ ▲ note2) ［ n ］ Output mode ［P］... -
Page 8: Function Setting
Note 2) It does not go into Flow rate setting mode when the Initial setting Display mode(Instantaneous flow/Integrated flow), display unit and output specification are set. Flow rate setting Input the flow set value to start switch output. Output mode selecting Select output mode(Reverse/non-reverse output). Key lock setting Set the key lock. - Page 9 4. Output specification selecting mode Set OUT1 output specifications. Press button to select OUT1 output spec., then press ▲ button.「oU1_0」indicates instantaneous switch output, 「oU1_1」integrated switch output and「oU1_2」integrated pulse output. See "OUT1 output specifications". Input the set value after selecting OUT1 output specifications.
- Page 10 Input set value. Input method depends on OUT1 output specification. It does not go into Flow rate setting mode when the integration pulse output is selected as OUT1. Instantaneous switch output (oU1_0) 1. Press button to input n_1(P_1) set value.
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Page 11: Other Functions
See below for setting at shipment. Display setting : Instantaneous flow ( d_1) Unit setting : /min ( U_1) Switch spec. : Instantaneous switch output ( oU1_0 ) Output mode : Reverse output ( oU1_n ) Flow setting value : Instantaneous flow Intermediate value of... -
Page 12: Specification
1s or less Impact proof Temp. characteristics 2.25MPa Material Port size Mass (Weight) (*4) *3) Switch output and integrated pulse are selected at initial setting. /101.3kPa/65%RH (ANR) ℃ *4) Except lead wire. PF2A703H PF2A706H [NPN open collector] Max. load current : 80mA, Internal voltage drop : 1V or less (At load current 80mA), Max. -
Page 13: Full View With Dimensions
Full View with Dimensions (in mm) Flow direction Thred G PF2A703H Rc1, NPT1, G1 PF2A706H Rc1･1/2, NPT1･1/2, G1･1/2 PF2A712H Rc2, NPT2, G2 Model No. PF2A703H PF2A706H PF2A712H FLOW SWITCH (42.2) 4 -I Thred depth J × × ×...
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