SMC Networks PF2A7 Series Operation Manual Download Page 34 | Manualshive

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-33-

No.PF

※※

-OMO0008-C

Fault

Probable cause

Recommended action

O

u

tp

u

t

There is no output.

Wiring failure.

Correct the wiring.

Connector loose.

Check the connector.

Output is unstable.

Foreign matter inside.

Install a filter or mist separator at IN side of product.
If there is foreign matter stuck to the mesh, remove it
completely, taking care not to damage the product.

Piping is connected in the wrong
direction.

Install with the mounting direction corresponding to
the flow direction (arrow indicated on the product).

Pulsation in the flow.

Change to a pump that has less pulsation. Install a
tank to reduce the pressure fluctuation. Change the
piping to elastic piping such as rubber tube.

Air leakage.

Check that seal tape has been applied correctly.
Reconnect the pipes with the specified tightening
torque.

Hysteresis is too narrow.

Increase the hysteresis.

Bu

tt

o

n

The buttons cannot be
operated.

Key-lock mode is activated.

Cancel the Key-lock function. (page

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Summary of Contents for PF2A7 Series

Page 1: ...No PF OMO0008 C PRODUCT NAME Digital Flow Switch Integrated display type MODEL Series Product Number PF2A7 ...

Page 2: ... 21 Setting procedure of initialize mode 22 Function selection mode 25 F_1 Input procedure of the Set value of instantaneous output 26 F_2 Input procedure of the Set value of instantaneous output Auto preset 27 F_3 Input procedure of the Set value of accumulated output 28 Key lock function 30 Maintenance 31 Troubleshooting 32 Cross reference for troubleshooting 32 Error indication 34 Specification...

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 The assembly operation and maintenance of machines or equipment including our products must be performed by an operator who is appropriately trained and experienced 3 Do not service or attempt to remo...

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 excluded from this 1 year warranty A vacuum pad is a consumable part so it is warranted for a year after it is delivered Also even within the warranty period the wear of a product due to the use of the v...

Page 5: ... 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 product is not designed to be explosion proof Do not use the product for flammable fluid A fire or explosion can result Do not use the product in a place where static electricity is a problem Otherwise it can cause failure...

Page 6: ...tion can result Insufficient supply voltage may not drive 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 lifetime of the product Data stored by the product is not deleted even if the power supply is cut off writing time 1000000 cycles The applicable f...

Page 7: ...e fluid indicated on the product label for installation and piping Remaining air can cause inability to measure accurately Do not mount the body with the bottom facing upwards Retention of air can cause inability to measure accurately Avoid piping in which the piping size of the IN side of the product changes suddenly If the piping size is reduced sharply or there is a restrictor such as a valve o...

Page 8: ...e 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 together with power or high voltage cables Otherwise the product can malfunction due to interference or noise and surge voltage from power and high voltage cables Confirm proper insulation of wiring ...

Page 9: ...is CE marked but not immune to lightning strikes Take measures against lightning strikes in the system Do not use the product in areas that are exposed to vibration or impact Otherwise 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 entering the product Other...

Page 10: ...ble for the operating conditions Incorrect settings can cause operational failure Refer to page 19 Outline of setting During the initial setting and any subsequent flow rate setting the product will switch the output according to the existing settings until the changes are complete Confirm the output has no adverse effect on machinery and equipment before setting Stop the control system before set...

Page 11: ... 10 No PF OMO0008 C Model indication and How to Order ...

Page 12: ...ification 1 output NPN Analogue 4 to 20 mA PF2A7 68 X560 Output specification 1 output PNP Analogue 1 to 5 V PF2A7 69 X560 Output specification 1 output PNP Analogue 4 to 20 mA Accessories Part number If an accessory is required separately order using the following part numbers Part number Description Remarks Weight ZS 37 A Lead wire with connector Straight Length 3 m 100 g ZS 37 B Lead wire with ...

Page 13: ...s ON Red when normal condition is selected LED display Displays 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 accumulated pulse output mode is selected the indicator LED will turn OFF Indicator LED OUT2 Indicates the output status of OUT2 LED is ON Re...

Page 14: ...ull span or full scale and indicates varied 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 Hysteresis The difference between ON and OFF points used to prevent chattering Hysteresis can be effective in avoiding the effects of pulsation Hysteresis mode Mode where the switch output will turn ON when the flow is greater than...

Page 15: ... 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 indicator LED and no power is supplied to the load T Temperature characteristics The amount of variation in the analogue output or display value when the ambient temperature is changed U Unit selection function Function to change ...

Page 16: ...he rotation angle 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 thickness is approximately 1 6 mm Refer to the dimension drawing of the bracket page 39 for mounting hole dimensions ...

Page 17: ...g Ensure that the metal piping attachments are tightened to the required torque refer to the table below If the tightening torque is exceeded the product can be broken If the tightening torque is insufficient the fittings may become loose When connecting 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 an...

Page 18: ...This 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 mode power supply Connecting the wiring Align the lead wire connector with the connector key groove and insert vertically Connection is complete when the knurled part is fully tightened Check that t...

Page 19: ...he lead wire with connector designated for the PF2A7 is used the wire colours will apply as shown in the diagram NPN 2 outputs type PF2A7 27 Max 30 V 80 mA Internal voltage drop 1 V or less PNP 2 outputs type PF2A7 67 Max 80 mA Internal voltage drop 1 5 V or less ...

Page 20: ...y 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 21 Items below can be set Display mode Unit selection function Output mode OUT1 Output mode OUT2 Switch operation OUT1 Switch operation OUT2 Reference condition Function selection mode Refer to page 25 Items below can be set F...

Page 21: ... 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 Reverse output Upper 3 digits Lower 3 digits Accumulated pulse Accumulated pulse output mode Non Reverse output No Set value input Reverse output No Set value input 1 In window comparator mode the hysteres...

Page 22: ...unction 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 1_n Reverse output Page 23 Selection of switch operation OUT2 2_n Reverse output Selection of reference condition Anr Standard condition Operate only the product with unit selection function ...

Page 23: ...he or button for selection Display Instantaneous flow Accumulated flow U_1 L min L U_2 CFM x 10 2 CFM x 10 1 ft3 x 10 1 Refer to page 24 for the flow rate when U_2 is selected Press the button Selection of output mode OUT1 Select the switch output mode required referring to the list of outputs page 20 Press the button to select o10 Instantaneous output mode o11 Accumulated output mode o12 Accumula...

Page 24: ...condition or normal condition for the display units Press the button to select Anr Standard condition Flow display which is converted in atmospheric pressure at 20 C 65 R H nor Normal condition Flow display which is converted in atmospheric pressure at 0 C Flow rate in the specification is the value at standard condition If the display unit standard is changed from standard to normal use the conve...

Page 25: ... 10 1 8 to 186 CFM x 10 1 Min setting display unit 0 5 CFM x 10 2 2 0 CFM x 10 2 0 5 CFM x 10 1 1 0 CFM x 10 1 2 0 CFM x 10 1 Accumulated flow Setting display flow range 0 to 999999 ft3 x10 1 Min setting display unit 1 ft3 x 10 1 Conversion of accumulated pulse 0 5 ft3 x 10 2 pulse 2 0 ft3 x 10 2 pulse 0 5 ft3 x 10 1 pulse 1 0 ft3 x 10 1 pulse 2 0 ft3 x 10 1 pulse Flow rate in the specification is...

Page 26: ...t of the Set point 1 OUT1 50 of max rated flow 5 0 L min PF2A710 25 0 L min PF2A750 50 L min PF2A711 100 L min PF2A721 250 L min PF2A751 Page 26 n_2 Input of the Set point 2 OUT1 n_3 Input of the Set point 3 OUT2 n_4 Input of the Set point 4 OUT2 F_2 Input the Set value of instantaneous output Auto preset Page 27 F_3 Input the Set value of accumulated output 1nL Input of the Set value for the lowe...

Page 27: ...e are displayed in turn Press the and button to change the value referring to the list of outputs page 20 When Non Reverse output is selected as the switch operation P_2 is displayed Press the button Input of the Set point 3 OUT2 n_3 and the current Set value are displayed in turn Press the and button to change the value referring to the list of outputs page 20 When Non Reverse output is selected ...

Page 28: ...y 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 as hysteresis Press the button Measurement of the Set value OUT2 AP2 is displayed Apply flow rate to set for OUT2 If setting of OUT1 is not necessary press the and buttons simultaneously Return to the...

Page 29: ...n 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 and button to change the value referring the list of outputs page 20 When Non Reverse output is selected as the switch operation 1PH is displayed Press the button Input of the Set value for the lower ...

Page 30: ...and 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 999 999 L but the display normally shows the lower 3 digits Press the button to display the upper 3 digits The display flashes when the value reaches 999 999 L To reset the accumulated value press the ...

Page 31: ...elease 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 pressed instantaneous flow and accumulated flow can be displayed in turn How to unlock 1 Press the button for 3 seconds or longer in measurement mode 2 Press the button to select unL to unlock the keys 3 K...

Page 32: ...ing 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 on the operating environment Therefore check the safety of the whole installation before operating the product ...

Page 33: ...nnected in the wrong direction Install with the mounting direction corresponding to the flow direction arrow indicated on the product Pulsation in the flow Change to a pump that has less pulsation Install a tank to reduce the pressure fluctuation Change the piping to elastic piping such as rubber tube Air leakage Check that seal tape has been applied correctly Reconnect the pipes with the specifie...

Page 34: ...onnected in the wrong direction Install with the mounting direction corresponding to the flow direction arrow indicated on the product Pulsation in the flow Change to a pump that has less pulsation Install a tank to reduce the pressure fluctuation Change the piping to elastic piping such as rubber tube Air leakage Check that seal tape has been applied correctly Reconnect the pipes with the specifi...

Page 35: ...n 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 2 seconds or longer Then set all data again Excessive accumulated flow Accumulated flow displayed flashing The display flow range of accumulated flow has been exceeded To reset the accumulated flow ...

Page 36: ...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 operation 3 Non Reversed output Reversed output Max load current 80 mA Max applied voltage 30 VDC NPN output Internal voltage drop NPN output 1 V or less at 80 mA PNP output 1 5 V or less at 80 mA Response time 1 s or less R...

Page 37: ... minimum flow of the display range 0 L min is displayed 3 Selectable by setting 4 Standard condition Flow display which is converted in atmospheric pressure at 20 C 65 R H Normal condition Flow display which is converted in atmospheric pressure at 0 C The form of the G thread including the major and minor diameter and pitch of the internal thread is based on JIS B0202 ISO228 1 Products indicated a...

Page 38: ... 37 No PF OMO0008 C Characteristics data Flow characteristics pressure loss Model Graph a L min b L min PF2A710 A 1 10 PF2A750 B 5 50 PF2A711 C 10 100 PF2A721 D 20 200 PF2A751 E 50 500 ...

Page 39: ... 38 No PF OMO0008 C Dimensions in mm PF2A710 750 PF2A711 721 751 ...

Page 40: ... 39 No PF OMO0008 C Lead wire and connector Straight ZS 37 A Lead wire and connector Right angle ZS 37 B Bracket ZS 29 T Dimensions of rotating monitor part ...

Page 41: ...t Analogue 1 to 5 V type PF2A7 68 X560 NPN 1 output Analogue 4 to 20 mA type PF2A7 29 X560 PNP 1 output Analogue 4 to 20 mA type PF2A7 69 X560 Max 30 V 80 mA Internal voltage drop 1 V or less 28 Analogue output 1 to 5 V Output impedance 1 kΩ 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 ...

Page 42: ... CFM x 10 2 35 0 CFM x 10 2 PF2A750 5 NL min 50 NL min 18 CFM x 10 2 176 CFM x 10 2 PF2A711 10 NL min 100 NL min 3 5 CFM x 10 1 35 5 CFM x 10 1 PF2A721 20 NL min 200 NL min 7 CFM x 10 1 71 CFM x 10 1 PF2A751 50 NL min 500 NL min 18 CFM x 10 1 176 CFM x 10 1 Analogue output is based on the rated flow range at normal condition The displayed flow range is based on standard conditions Therefore the ra...

Page 43: ... 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 to change without prior notice and any obligation on the part of the manufacturer 2011 2018 SMC Corporation All Rights Reserved ...

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