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-45- 

 

No.PF

※※

-OMO0012-D 

 

Made to Order 

Model Indication and How to Order 

 

 

 

Refer to pag

10

 for details of model indication and how to order. 

 
 

Internal circuit and wiring example 

When the lead wire with connector designated for PF2W7 is used, the wire colours will apply as shown on 
the circuit diagram. 

 

NPN (1 output) + Analogue (1 to 5 V) type 

PF2W7



-



-28

-

-X560 

PNP (1 output) + Analogue (1 to 5 V) type 

PF2W7



-



-68

-

-X560 

NPN (1 output) + Analogue (4 to 20 mA) type 

PF2W7



-



-29

-

-X560 

PNP (1 output) + Analogue (4 to 20 mA) type 

PF2W7



-



-69

-

-X560 

 

 

Max. 30 V, 80 mA 
Internal voltage drop: 1 V or less 
28: Analogue output: 1 to 5 V 

Output impedance: 1 k

Ω 

29: Analogue output: 4 to 20 mA 

Load impedance 
Power supply voltage 12 V

: 300 Ω 

Power supply voltage 24 

V: 600 Ω 

Max. 80 mA 
Internal voltage drop: 1.5 V or less 
68: Analogue output: 1 to 5 V 

Output impedance: 1 k

Ω 

69: Analogue output: 4 to 20 mA 

Load impedance 
Power supply voltage 12 V: 300 

Ω 

Power supply voltage 24 V: 600 

Ω 

Summary of Contents for PF2W7 Series

Page 1: ...No PF OMO0012 D PRODUCT NAME Digital Flow Switch Integrated display type MODEL Series Product Number PF2W7...

Page 2: ...22 Setting procedure of initialize mode 23 Function selection mode 26 F_1 Input procedure of the Set value of instantaneous output 27 F_2 Input procedure of the Set value of instantaneous output Auto...

Page 3: ...equipment failure when configuring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly T...

Page 4: ...the failure of the product 3 Prior to using SMC products please read and understand the warranty terms and disclaimers noted in the specified catalog for the particular products 2 Vacuum pads are excl...

Page 5: ...ction or damage to the product can result Verify the specifications before use Do not operate in an atmosphere containing flammable explosive or corrosive gas Fire or an explosion can result This prod...

Page 6: ...not exceed the specified maximum allowable load Otherwise it can cause damage or shorten the lifetime of the product Data stored by the product is not deleted even if the power supply is cut off writ...

Page 7: ...ch as a valve on the IN side fluid velocity distribution in the piping will be disturbed leading to improper measurement Therefore the above mentioned piping should be connected on the OUT side If the...

Page 8: ...Wire correctly Incorrect wiring can damage the product Do not perform wiring while the power is on Otherwise damage to the internal parts can result causing malfunction Do not route wires and cables...

Page 9: ...herwise failure or malfunction can result Do not use the product in the presence of a magnetic field This may lead to the malfunction of the product Prevent foreign matter such as wire debris from ent...

Page 10: ...tions Incorrect settings can cause operational failure Refer to page 20 Outline of setting During the initial setting and any subsequent flow rate setting the product will switch the output according...

Page 11: ...10 No PF OMO0012 D Model indication and How to Order...

Page 12: ...ification PNP 1 output Analogue 1 to 5 V PF2W7 69 X560 Output specification PNP 1 output Analogue 4 to 20 mA Accessories Part number If an accessory is required separately order using the following pa...

Page 13: ...the flow value setting mode and error indication Indicator LED OUT1 Indicates the output status of OUT1 LED is ON Green when OUT1 is ON The LED flashes when an over current error occurs When the accum...

Page 14: ...d temperature Range of fluid temperature that can be measured by the product F S Full span Full scale Stands for full span or full scale and indicates varied analogue output range at rated value For e...

Page 15: ...Switch output An output type that has only 2 conditions ON or OFF In the ON condition an indicator LED will turn on and any connected load will be powered In the OFF condition there will be no indica...

Page 16: ...of the monitor is 270o in steps of 90o Rotating the display part with excessive force will damage the end stop Installing Install the product with bracket using the M4 screws 4 pcs supplied Bracket t...

Page 17: ...icated on the product Never mount the product upside down The piping on the IN side must have a straight section of piping whose length is 8 times the piping diameter or more Avoid piping in which the...

Page 18: ...cting piping to the product a spanner should be used on the metal piping attachment only Using a spanner on other parts may damage the product Avoid any sealing tape from entering inside the piping En...

Page 19: ...his can be prevented by inserting a noise filter such as a line noise filter and ferrite core between the switch mode power supply and the product or by using a series power supply instead of a switch...

Page 20: ...e lead wire with connector designated for the PF2W7 is used the wire colours will apply as shown in the diagram NPN 2 outputs type PF2W7 27 Max 30 V 80 mA Internal voltage drop 1 V or less PNP 2 outpu...

Page 21: ...he display of accumulated flow the accumulation can be started stopped by pressing the button button press for 2 sec button press button press for 3 sec Initialize mode Refer to page 22 Items below ca...

Page 22: ...Reverse output Set point 2 Set point 1 2 Hysteresis mode Set point 1 Set point 2 Window comparator mode Accumulated flow Accumulated output mode Non Reverse output Upper 3 digits Lower 3 digits Revers...

Page 23: ...ow Page 23 Unit selection function U_1 L min Selection of output mode OUT1 o10 Instantaneous output mode Selection of output mode OUT2 o20 Instantaneous output mode Selection of switch operation OUT1...

Page 24: ...Press the or button for selection Display Instantaneous flow Accumulated flow U_1 L min L U_2 gal US min gal US Refer to page 25 for the flow rate when U_2 is selected Press the button Selection of o...

Page 25: ...button to select 1_n Reverse output 1_P Non Reverse output Press the button Selection of switch operation OUT2 Select the switch operation required referring to the list of outputs page 21 Press the...

Page 26: ...4 gal US min Instantaneous flow Setting display flow range 0 10 to 1 16 gal US min 0 40 to 4 75 gal US min 1 0 to 11 6 gal US min 2 0 to 28 4 gal US min Min setting display unit 0 01 gal US min 0 05 g...

Page 27: ...n_1 Input of the Set point 1 OUT1 50 of max rated flow 2 00 L min PF2W704 8 0 L min PF2W704 20 0 L min PF2W704 50 L min PF2W704 Page 27 n_2 Input of the Set point 2 OUT1 n_3 Input of the Set point 3 O...

Page 28: ...are displayed in turn Press the and button to change the value referring to the list of outputs page 21 When Non Reverse output is selected as the switch operation P_2 is displayed Press the button I...

Page 29: ...moves on to the measurement of OUT2 Set value Press the button A1L and the Set value are displayed in turn The flow rate is read automatically and the Set value is set A value 3 digits below is set a...

Page 30: ...Reverse output is selected as the switch operation 1PL is displayed Press the button Input of the Set value for the upper 3 digits OUT1 1nH and the current Set value are displayed in turn Press the a...

Page 31: ...nd restart of accumulation are performed the same way Pressing the button displays the instantaneous flow rate while displaying the accumulated flow The accumulated flow rate can be displayed up to 99...

Page 32: ...lease the button 2 Press the button to select Loc to lock the keys 3 Key operation is locked by pressing the button and returns to measurement mode Even when keys are locked while the button is presse...

Page 33: ...ng of the product will be retained as it was before a power cut or de energizing The output condition is also basically recovered to that before a power cut or de energizing but may change depending o...

Page 34: ...ing direction corresponding to the flow direction arrow indicated on the product Insufficient fluid supply Full up the fluid path Pulsation in the flow Change to a pump that has less pulsation Install...

Page 35: ...n Install with the mounting direction corresponding to the flow direction arrow indicated on the product Insufficient fluid supply Full up the fluid path Pulsation in the flow Change to a pump that ha...

Page 36: ...the power on again OUT2 over current error The switch output load current is more than 80 mA OUT2 System error The set data has been changed unexpectedly To reset press and buttons simultaneously for...

Page 37: ...collector output PNP open collector output Output mode 3 Instantaneous flow output mode hysteresis mode window comparator mode Accumulated flow output mode Accumulated pulse output mode Switch operat...

Page 38: ...material is FKM for product with operating fluid temperature specification 0 to 90 o C 5 The weight is 710 g for product with operating fluid temperature specification 0 to 90 o C The form of the G t...

Page 39: ...a L min b L min PF2W704 T A 0 5 4 PF2W720 T B 2 16 PF2W740 T C 5 40 PF2W711 D 10 100 Measurable range of ethylene glycol aqueous solution Reference value The product with operating fluid temperature s...

Page 40: ...39 No PF OMO0012 D Dimensions in mm PF2W704 720 Model A PF2W704 100 mm PF2W720 106 mm...

Page 41: ...40 No PF OMO0012 D PF2W740...

Page 42: ...41 No PF OMO0012 D PF2W711...

Page 43: ...42 No PF OMO0012 D PF2W704T 720T 740T...

Page 44: ...43 No PF OMO0012 D Lead wire and connector Straight ZS 37 A Lead wire and connector Right angle ZS 37 B Dimensions of rotating monitor part...

Page 45: ...44 No PF OMO0012 D Bracket PF2W704 720 ZS 29 T Bracket PF2W740 7 T ZS 29 V Bracket PF2W711 ZS 29 W...

Page 46: ...utput Analogue 1 to 5 V type PF2W7 68 X560 NPN 1 output Analogue 4 to 20 mA type PF2W7 29 X560 PNP 1 output Analogue 4 to 20 mA type PF2W7 69 X560 Max 30 V 80 mA Internal voltage drop 1 V or less 28 A...

Page 47: ...supply voltage 12 V 300 Power supply voltage 24 V 600 Accuracy 5 F S max Response time 1 s or less Other specifications are equal to standard product Analogue output A B C Voltage output 1 V 1 5 V 1 4...

Page 48: ...places D Contents revised in several places July 2018 4 14 1 Sotokanda Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL http www smcworld com Note Specifications are subject t...

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