background image

 

-83- 

 

No.PF

※※

-OMM0005-N   

 

 

Analogue output

 

Analogue output (Flow) 

(PF3W704/720/740)

 

 

 

Voltage output 

1 V 

1.5 V   

5 V 

Current output 

4 mA 

6 mA 

20 mA 

 

 

(PF3W711)

 

 

Voltage output 

1 V 

1.4 V 

5 V 

Current output 

4 mA 

5.6 mA 

20 mA 

 

(PF3W721-

12/14)

 

 

 

Voltage output 

1 V 

1.8 V   

5 V 

Current output 

4 mA 

7.2 mA 

20 mA 

(PF3W721-U30)

 

 

Voltage output 

1 V 

1.48 V   

5 V 

Current output 

4 mA 

5.92 mA 

20 mA 

 

Sensor model 

Rated flow [L/min] 

Minimum 

Maximum 

PF3W704 

0.5 

PF3W720 

16 

PF3W740 

40 

PF3W711 

10 

100 

PF3W721-

12/14 

50 

250 

PF3W721-U30 

30 

250 

 

 

Analogue output (Fluid temperature) 

 

Voltage 
output 

0.6 V 

1 V 

5 V 

5.4 V 

Current 
output 

2.4 mA 

4 mA 

20 mA 

21.6 mA 

 

 

 

Summary of Contents for PF3W7 Series

Page 1: ...No PF OMM0005 N PRODUCT NAME Digital Flow Switch Integrated display type MODEL Series Product Number PF3W7...

Page 2: ...T2 39 F3 Response time setting 45 F10 Selection of sub screen 46 F20 Setting of external input 50 F22 Setting of analogue output 51 F30 Storing of accumulated flow 53 F80 Setting of power saving mode...

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: ...ion or damage to the product can result Verify the specifications before use Do not operate in an atmosphere containing flammable or explosive gases Fire or an explosion can result This product is not...

Page 6: ...a load due to a voltage drop inside the product Verify the operating voltage of the load before use Do not exceed the specified maximum allowable load Otherwise it can cause damage or shorten the life...

Page 7: ...nt Therefore the above mentioned piping should be connected on the OUT side If the OUT side is opened or flow rate is excessive cavitations may be generated which may result in improper measurement As...

Page 8: ...uct 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 together with power or high voltage cables Otherwise...

Page 9: ...to lightning strikes Take measures against lightning strikes in the system Mount the product in a location that is not affected by vibration or impact Otherwise failure or malfunction can result Do no...

Page 10: ...on machinery and equipment before setting Stop the control system before setting if necessary Do not touch the LCD display during operation The display can vary due to static electricity The product...

Page 11: ...flow rate to zero completely If it is necessary to reduce the flow rate to zero completely install a stop valve etc separately Do not lift it by gripping the knob of the flow adjustment valve Hold the...

Page 12: ...11 No PF OMM0005 N Model Indication and How to Order Metal piping...

Page 13: ...12 No PF OMM0005 N Polyvinyl chloride piping...

Page 14: ...10 4 pcs Lead wire with M8 connector ZS 40 A Lead wire length 3 m 2 brackets are necessary if using the type with flow rate adjustment valve Bracket cannot be mounted onto the 250 L min type Replacem...

Page 15: ...for locking the flow adjustment valve Display Displays the flow settings and error codes See below Display Element Description Main screen 2 colour display Displays the flow the status of setting mod...

Page 16: ...lue and analogue output range at rated value For example when analogue output is 1 to 5 V F S 5 V 1 V 4 V ref 1 F S 4 V x 1 0 04 V H Holding of accumulated flow A function to store the accumulated flo...

Page 17: ...0 of the set value S Set flow range The range of ON OFF threshold values that can be set for those products with a switch output Switch output Output type that has only 2 conditions ON or OFF When in...

Page 18: ...l be used as a support Mount the product so that the fluid flows in the direction indicated by the arrow on the side of the body Check the flow characteristics data for pressure loss and the straight...

Page 19: ...t valve attached fix using 8 mounting screws Bracket thickness is approx 1 5 mm Refer to the outline dimension drawing page 84 for mounting hole sizes Bracket mounting PF3W711 Mount the product with b...

Page 20: ...g torque must be 0 5 to 0 7 Nm Refer to the outline dimension drawing page 84 for mounting hole dimensions The self tapping screws should not be re used Direct mounting PF3W711 721 Mount using the sel...

Page 21: ...1 41 mm 11 4 54 mm 11 2 54 mm Tighten to the specified torque for piping The tightening torque for connection threads is shown in the table below Nominal thread size Tightening torque Rc NPT 3 8 22 to...

Page 22: ...weight of the flexible hose and the fluid will be applied to the product Caution Vinyl chloride piping Mounting and joining of the vinyl chloride fitting union The vinyl chloride fitting union must be...

Page 23: ...eakage generated after adjustment When fluid leakage is generated open and close the valve several times for re adjustment and confirm that there is no fluid leakage 3 Tighten the lock ring to fix the...

Page 24: ...y When a switch mode power supply is connected to the product switching noise will be superimposed and the product specification can no longer be met This can be prevented by inserting a noise filter...

Page 25: ...D Analogue output 4 to 20 mA Maximum load impedance Power supply voltage 12 V 300 Power supply voltage 24 V 600 Maximum 80 mA Internal voltage drop 1 5 V or less E Analogue output 1 to 5 V Output imp...

Page 26: ...N External input type PF3W7 G PNP 2 output type PF3W7 B T PNP Analogue output type PF3W7 E T PF3W7 F T PNP External input type PF3W7 H When accumulated pulse output is selected the indicator light is...

Page 27: ...nds during the setting the display will flash This is to prevent the setting from remaining incomplete if for instance an operator were to leave during setting 3 step setting mode and Function selecti...

Page 28: ...set value by the amount of hysteresis or more the switch will be turned OFF If the operation shown the below is acceptable please keep this setting Refer to the following pages for how to change the s...

Page 29: ...one digit or press and hold to continuously decrease 4 Press the button to finish the setting For models with switch outputs for both OUT1 and OUT2 P_2 or n_2 will be displayed too Set as above For m...

Page 30: ...This F indicates the mode for changing each functional setting Press the button for 2 seconds or longer to return to measurement mode The function number is increased and decreased by the and buttons...

Page 31: ...eresis OUT2 5 of maximum rated flow 0 20 0 20 L min 4 L type 0 8 0 8 L min 16 L type 2 0 2 0 L min 40 L type 5 5 L min 100 L type 12 12 L min 250 L type F 3 RES rES Response time setting 1 00 1 second...

Page 32: ...lated output ACCUMU Accumulated pulse output PLS 2 Setting of switch operation 1_P 1_N Page 32 Display type Setting of Add dEC Page 34 3 Input of set values Setting of P_1 n_1 H_1 Page 33 Setting of P...

Page 33: ...the or button to select the output mode When the accumulated pulse output is selected the output display will turn off Press the button to confirm Move on to the setting of switch operation 2 Setting...

Page 34: ...lue and hysteresis limit each other b When window comparator output mode is selected The sub screen displays the set value Change it with the and buttons When reversed output is selected the main scre...

Page 35: ...34 No PF OMM0005 N c When accumulated output mode is selected Selection of accumulated increment or decrement Sub screen Press the or button to select Continued...

Page 36: ...e sub screen displays the value and the leftmost digit of the set value will start flashing The required accumulated value should be input one digit at a time Press the and buttons to change the value...

Page 37: ...lour Display colour can be set to change depending upon the status of OUT1 Sub screen Press the or button to select the display colour Press the button to confirm Return to the function selection mode...

Page 38: ...ere is an unstable flow condition due to fluid pulsation for example unstable output operation can result In such situations keep sufficient margin between the set values and confirm that the output o...

Page 39: ...unstable flow condition due to fluid pulsation for example unstable output operation can result In such situations keep sufficient margin between the set values and confirm that the output operation s...

Page 40: ...nsor Hysteresis HYS Window comparator WIN Accumulated output ACCUMU Accumulated pulse output PLS Hysteresis tHYS Window comparator tWIN 2 Setting of switch operation 2_P 2_N Page 40 3 Input of set val...

Page 41: ...set output mode alternately If OUT2 is not provided the display will be Press the button Sub screen Press the or button to select the output mode Press the button to confirm Move on to the setting of...

Page 42: ...lue and hysteresis limit each other b When window comparator output mode is selected The sub screen displays the set value Change it with the and buttons When reversed output is selected the main scre...

Page 43: ...ond or longer the flashing will stop The sub screen displays the value and the leftmost digit of the set value will start flashing The required accumulated value should be input one digit at a time Pr...

Page 44: ...ected The sub screen displays the set value Change it with the and buttons When the normal output is selected the main screen displays tPL Press the button to confirm Move on to the input of set value...

Page 45: ...44 No PF OMM0005 N List of output modes for fluid temperature...

Page 46: ...function selection mode to display F 3 on the main screen The sub screen displays RES and the current set value alternately Press the button Sub screen Press the or button to select the response time...

Page 47: ...t Display of line name Displays the name of the line Display of fluid temperature Displays the temperature of fluid With the temperature sensor Temperature bottom display The bottom value of fluid tem...

Page 48: ...47 No PF OMM0005 N Example of display of sub screen...

Page 49: ...48 No PF OMM0005 N Example of display of sub screen continued...

Page 50: ...s If the external input is available the values can also be reset by external input Refer to F20 Setting of external input on page 50 The name of piping line at which the product is installed can be d...

Page 51: ...lated value memorizations should not exceed 1 million Reset of peak and bottom values A function to clear the peak value or bottom value when an input signal is applied OFF The external input function...

Page 52: ...output can be variable This does not apply if the analogue output to the temperature sensor is selected Operation Press the or button in function selection mode to display F22 on the main screen The s...

Page 53: ...ogue output 5 V or 20 mA The entered flow value can be in the range 10 of maximum rated flow to the upper display limit Press the button to confirm Return to the function selection mode F22 Setting of...

Page 54: ...es x 1 million cycles 2 million minutes 3 8 years Operation Press the or button in function selection mode to display F30 on the main screen The sub screen displays SAVE and the current set value alte...

Page 55: ...on in function selection mode to display F80 on the main screen The sub screen displays dSP and the current set value alternately Press the button Sub screen The display can be turned off to save powe...

Page 56: ...y code entry is not necessary Operation Press the or button in function selection mode to display F81 on the main screen The sub screen displays PiN and the current set value alternately Press the but...

Page 57: ...required character from space A b C X y Z 0 1 8 9 _ space by pressing the and buttons Press the button less than 1 second The next digit to the right will flash and can be edited Follow the same proc...

Page 58: ...mode to display F90 on the main screen Press the button Sub screen Press the or button to select OFF ON F 1 F82 All functions are set in numerical order Follow the specified procedure for each functio...

Page 59: ...output acts in accordance with the set values Press the or button to select NoRMAL FoRCE The check of OUT1 Sub screen Changing the display between ON and OFF using the or button also changes the outp...

Page 60: ...main screen Press the button Sub screen Press the or button to display ON To return to measurement mode without changing any settings press the button for 2 seconds or longer Press the and buttons si...

Page 61: ...r 1 second or longer Reset of the peak value When the peak value display is selected the peak value can be reset to zero Operation While the peak value is displayed press the and buttons simultaneousl...

Page 62: ...e can be viewed but not cleared Operation Without security code input 1 Press and hold the button for 5 seconds or longer in measurement mode The current setting LoC or UnL will be displayed on the su...

Page 63: ...sub screen Press the button to complete the unlocking operation Change of security code In the default setting security code entry is set to 000 but this can be changed to any number Operation 1 Afte...

Page 64: ...tedly removed The settings of the product are retained from before the power cut or de energizing The output condition also recovers to that before the power cut or de energizing but may change depend...

Page 65: ...rection correspond to the flow direction Insufficient water supply Confirm whether the fluid path is full Fill up the fluid path Pulsation in the flow Confirm whether the supply pressure fluctuates or...

Page 66: ...tion Confirm whether the mounting direction of the product corresponds to the flow direction Make the mounting direction correspond to the flow direction Insufficient water supply Confirm whether the...

Page 67: ...ctor loose Check that the connector is connected Connect the connector Incorrect display Insufficient water supply Confirm whether the fluid path is full Fill up the fluid path Foreign matter Check if...

Page 68: ...essive accumulated flow Displayed alternately The accumulated flow range is exceeded In some flow ranges the decimal point may flash Clear the accumulated flow Press the and buttons simultaneously for...

Page 69: ...L pulse 0 5 L pulse 1 L pulse 2 L pulse Fluid temperature 0 to 90 o C No freezing and condensation 0 to 70 o C No freezing and condensation Display unit L min for real time flow and L for accumulated...

Page 70: ...een 6 digit 11 segment White Display updating frequency 5 times sec Indicator light Output 1 and 2 Orange Power supply voltage 12 to 24 VDC 10 Current consumption 50 mA max Environment Enclosure IP65...

Page 71: ...value is 90 in relation to the step input The value will be 7 s for the temperature sensor output 6 The response time is when the set value reaches 90 in relation to the step input and linked with th...

Page 72: ...F S max 25 o C reference Operating pressure range 3 Refer to graph of operating pressure and proof pressure Proof pressure 3 Refer to graph of operating pressure and proof pressure Pressure loss Refer...

Page 73: ...rts and viscosity is 3mPa s 3 cP or less Be aware that water leakage may happen due to internal seal shrinkage or swelling depending on kinds of fluid Refer to the Applicable fluid list on page 74 2 W...

Page 74: ...Flow under 5 L min is displayed as 0 Setting flow range 0 09 to 1 45 gal min 0 45 to 5 81 gal min 0 9 to 14 5 gal min 1 8 to 37 0 gal min 5 to 92 gal min Min setting display unit 0 01 gal min 0 1 gal...

Page 75: ...30 or less sulfuric acid Phosphonic acid Concentration 50 or less phosphonic acid Available available depending on the conditions The material and fluid compatibility check list provides reference va...

Page 76: ...75 No PF OMM0005 N Characteristics graph Measurable range of ethylene glycol aqueous solution Reference value...

Page 77: ...76 No PF OMM0005 N Flow characteristics pressure loss without flow adjustment valve PF3W704 PF3W720 PF3W740 PF3W711 Metal attachment PF3W721 Metal attachment...

Page 78: ...77 No PF OMM0005 N PF3W711 Vinyl chloride piping PF3W721 Vinyl chloride piping...

Page 79: ...78 No PF OMM0005 N Operating pressure and proof pressure PF3W704 720 740 PF3W704S 720S 740S PF3W711 Metal attachment PF3W721 Metal attachment PF3W711 721 Vinyl chloride piping...

Page 80: ...piping length Fluid pressure has almost no effect The smaller the flow rate the less the product is affected by the straight piping length The straight piping length shall be 8 cm or longer in order...

Page 81: ...80 No PF OMM0005 N PF3W721 Metal attachment...

Page 82: ...PF OMM0005 N Vinyl chloride piping Fluid pressure has almost no effect The straight piping length shall be 11 cm or longer in order to maintain 3 F S of the specification PF3W711 721 Vinyl chloride p...

Page 83: ...82 No PF OMM0005 N Flow characteristics of the flow rate adjustment valve PF3W704S PF3W720S PF3W740S...

Page 84: ...721 12 14 A B C Voltage output 1 V 1 8 V 5 V Current output 4 mA 7 2 mA 20 mA PF3W721 U30 A B C Voltage output 1 V 1 48 V 5 V Current output 4 mA 5 92 mA 20 mA Sensor model Rated flow L min Minimum Ma...

Page 85: ...PF3W720 3 8 1 2 78 54 30 66 40 6 15 2 27 18 39 30 18 13 6 2 7 depth 12 PF3W740 1 2 3 4 98 71 38 68 48 6 19 2 32 28 49 35 28 16 8 2 7 depth 12 PF3W711 3 4 1 124 92 46 77 57 6 23 41 42 63 48 28 18 3 5 d...

Page 86: ...MM0005 N PF3W721 Basic type Symbol Piping port size A AA B D E F G H J K L N P Model PF3W721 11 4 11 2 104 74 56 91 71 6 28 5 54 31 52 39 5 25 27 5 3 5 depth 14 G 11 4 108 76 33 54 41 5 G 11 2 112 78...

Page 87: ...05 N PF3W704 720 740 711 721 With temperature sensor Temperature sensor Symbol A AA Model PF3W704 T 81 50 PF3W720 T 89 54 PF3W740 T 109 71 PF3W711 T 135 92 PF3W704 T 115 74 PF3W721 F12 T 119 76 PF3W72...

Page 88: ...umber of rotations Model PF3W704S 104 50 63 6 Max 68 6 70 2 34 58 5 18 13 6 2 7 depth 10 19 6 turns PF3W720S 112 54 63 6 Max 68 6 74 2 34 62 5 18 13 6 2 7 depth 10 19 6 turns PF3W740S 142 71 75 25 Max...

Page 89: ...40 With temperature sensor and flow adjustment valve Basic type and flow adjustment valve and temperature sensor Symbol A AA D K S Model PF3W704S T 115 50 81 2 69 5 67 5 PF3W720S T 123 54 85 2 73 5 71...

Page 90: ...1 U30 Vinyl chloride piping Piping port A B D E F J K L N P Q 25 A 154 46 77 57 6 23 77 63 28 18 3 5 depth 14 32 30 A 146 56 91 71 6 28 5 73 60 5 25 27 5 3 5 depth 14 38 Piping port Bracket dimensions...

Page 91: ...90 No PF OMM0005 N Dimensions of rotating part of display Dimensions of lead wire with M8 connector ZS 40 A...

Page 92: ...PDM Refer to page 11 for details of how to order Change the material of the piping port to brass Refer to page 11 for details of how to order Not applicable to the vinyl chloride piping type Not appli...

Page 93: ...s J Contents are added K Contents are added L Contents revised in several places M Contents revised in several places March 2017 N Contents revised in several places July 2018 4 14 1 Sotokanda Chiyoda...

Reviews: