Festo SFAB-10U Operating Instructions Manual Download Page 4 | Manualshive

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Festo SFAB-10U Operating Instructions Manual Download Page 4

Fig.13

The  following  settings  are  displayed  for  OUT  A:
With  flow  measurement  [FLW]:
the  switching  function  (threshold  value  or  window  comparator)
switching  point  [SP],  switching  points  [SP.Lo]  and  [SP.Hi]
hysteresis  [Hy]
switching  element  function  [no/nc]  (closer/opener)
minimum  flow  value  [F.Lo]  (Flow  Low).

In order to delete the minimum value, press the EDIT button briefly.

maximum flow value [F.Hi] (Flow High).

In order to delete the maximum value, press the EDIT button briefly.

With  air  consumption  measurement  [ConS]:
air  consumption  switching  impulse  [CI]
switching  element  function  [no/nc]  (closer/opener)
minimum  flow  value  [F.Lo]  (Flow  Low).

In order to delete the minimum value, press the EDIT button briefly.

maximum flow value [F.Hi] (Flow High).

In order to delete the maximum value, press the EDIT button briefly.

The  following  settings  are  displayed  for  OUT  B:
the  switching  function  (threshold  value  or  window  comparator)
switching  point  [SP],  switching  points  [SP.Lo]  and  [SP.Hi]
hysteresis  [Hy]
switching  element  function  [no/nc]  (closer/opener)
colour  change  status  [bLUE/rON/rOFF]
minimum  flow  value  [F.Lo].

In order to delete the minimum value, press the EDIT button briefly.

maximum flow value [F.Hi].

In order to delete the maximum value, press the EDIT button briefly.

5.4 EDIT mode

Fig.14

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Summary of Contents for SFAB-10U

Page 1: ...ing systems or end devices in industry suitable media è chapter 11 Technical specifications Measurement is carried out by means of a thermal procedure The amount of heat which is drawn from a heated surface of the sensor by the medium flowing through it is calculated here Through the amount of heat removed the flow or accumulated air consumption is determined and shown on the display The connectio...

Page 2: ... hoses into the PlugInconnections of connection 1 and connection 2 è Marking on the product Note If the hoses are connected to the SFAB incorrectly the measurement values will flash in the display 4 3 Electrical connection Warning Use only power units which guarantee reliable electrical isolation of the operating voltage as per IEC DIN EN 60204 1 Observe also the general requirements for PELV powe...

Page 3: ...ate can be reached from other modes by pressing Edit button for 3 seconds or passage of a monitoring time timeout 1 Switch on the operating voltage The SFAB is in the RUN mode 2 Check the settings of the SFAB è chapter 5 3 SHOW mode 5 1 Icons for representing the menu structure Icon Meaning Automatic return to the basic status RUN mode when the monitoring time has expired here 80 seconds In order ...

Page 4: ...g impulse CI switching element function no nc closer opener minimum flow value F Lo Flow Low In order to delete the minimum value press the EDIT button briefly maximum flow value F Hi Flow High In order to delete the maximum value press the EDIT button briefly The following settings are displayed for OUT B the switching function threshold value or window comparator switching point SP switching poi...

Page 5: ...s 8 Set the value for the hysteresis Hy with the A B buttons 9 Press the Edit button to confirm the set value no or nc flashes 10 Select the switching element function no nc with the A B buttons 11 Press the Edit button to confirm the set value The SFAB is in the RUN mode Carry out a test run with various flows to ascertain whether the SFAB switches as desired switching points and hysterisis b Set...

Page 6: ...IG F with the currently chosen value flashes The digital filter can be set d Setting smoothing for the digital filter The display values can be smoothed with the digital filter The degree of smoothing can be set in 6 steps from d1 low smoothing to d6 maximum smoothing With increasing smoothing the switch on switch off time of the switch outputs rises With d OFF the response time of the analogue ou...

Page 7: ...a flow sensor from another manufacturer refer to the same basic conditions After the power supply is switched on the SFAB needs a warm up time of 5 minutes until it achieves the specified accuracy 6 1 Resetting the SFAB to the factory settings also if the security code cannot be found Note The current settings will be lost after a reset to the factory setting If necessary make a note of these sett...

Page 8: ... 0 Ū 10 Max load resistance at current output Ohm 500 Min load resistance at voltage output kOhm 10 Rise time ms 15 30 60 factory setting 125 250 500 999 adjustable Output additional data Protection against short circuit yes Protection against overloading yes Electronics Operating voltage range DC V 15 Ū 30 Protection against polarity reversal for all electrical connections Electromechanics Electr...

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