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SEQUENCER CONTROLLER

WITH OR WITHOUT

DIFFERENTIAL PRESSURE SWITCH

Technical notice

FI 72.0297.1016E

Page 18

PRECAUTIONS

If a change of fuse has to be made, replace it with a fuse of the same calibre.

Avoid dusty air entering at the pressure taps.

Take the necessary precautions to satisfy the device characteristics/data (humidity, maxi pressure, etc.).

For the 4-20mA cables, we recommend that you use shielded cable and do not follow the routing of the
power cables.

For special operating conditions : consult us.

Work interventions must always be carried out by duly qualified staff.

CALIBRATION

The device leaves our workshops, adjusted at 0, for zero pressure and at maxi for the maxi pressure value of the
range.
Settings carried out, device stabilised and at 20° C.

It is possible to adjust the zero pressure:

Put the device out-of-pressure (disconnect the pressure taps)

Place it in the pressure reading mode (using « SELECT »)

Press the « - » button and hold it down

Press the « RESET » button (keeping « - » pressed down)

Release the buttons: the zero is set

Then re-connect the pressure

SPECIFICITIES AVAILABLE ON REQUEST

−

Other supply voltage: 24/48VAC – 24VDC

−

Other DP sensor scale

Содержание SF6-36V2

Страница 1: ...RENTIAL PRESSURE SWITCH Technical notice FI 72 0297 1016E Page 1 PLACE GUTENBERG 59175 TEMPLEMARS France Tel 33 0 3 20 60 49 49 Fax 33 0 3 20 95 59 62 Email contact sefram eu Web www sefram eu Electronics dedicated to dedusting and air quality ...

Страница 2: ...ment The device is parameterisable depending on the use All the operating parameters are adjustable through buttons on the front The value of each parameter and that of the pressure is displayed on a high luminosity LED display Comment this data sheet is drawn up on the basis of a device equipped with the pressure drop measure and in 36 outputs configuration If the device is not equipped with the ...

Страница 3: ... 24VDC integrated 40W max Inputs characteristics Voltage 24VDC supplied by the device Loading current 10mA Relay contacts characteristics Dry contacts 1A 250V AC1 to be protected by the user Running temperature 20 to 60 C Storage temperature 20 to 70 C Device protection By fuses size 5x20 F1 F500mA F2 F1A F7 F8 F2 5A Output power 25VA 25W F3 F4 T500mA supply in 115V or T250mA supply in 230V F5 F6 ...

Страница 4: ... Measurable fluids Non aqueous non corrosive Nature of the materials in contact with fluids Epoxy ceramic Al2O3 silicone RTV metal Precision class 2 on the sensor maxi scale 100 mbar from 0 to 60 C this class takes account of linearity hysteresis the effects of temperature and repeatability P Response time 1 second High and low alarm response time 5 seconds Response time threshold for accelerated ...

Страница 5: ...sure drop measurement is not validated by the presence of the sensor in the equipment the front face remains unchanged but the menu steps associated with the pressure drop measurement are not accessible Signalling IN OPTION note 1 Settings associated with the pressure drop measurement View of the activation of the S V outputs Settings for the sequencer parameters ...

Страница 6: ...if it s equipped with the DP is automatic after 30 seconds unless in cycle position Each parameter can be viewed at any time during the operating of the device The visualisations 1 to 7 and 13 are only used if the sequencer is equipped with the DP 1 DP measurement view Display the DP measurement If there is a fault alternating display of the type of fault If button pressed display of nxx with xx E...

Страница 7: ...conds no low DP alarm Note if the low DP alarm is set at 000 it is inactive no low alarm generated 7 Threshold for accelerated operation setting T2A threshold If the DP measurement goes above this threshold for longer than 5 seconds accelerated operation If the DP measurement goes below this threshold for longer than 5 seconds normal operation In accelerated operation the T2 time is replaced by th...

Страница 8: ...fine the number of cycles to be carried out at the time of detection of the fan stoppage 0 inactive 17 Manual running The cycle in course terminates and the number of set cycles is carried out without taking account of the DP order or the input controls I1 and I3 Fan stop running If the stop of the fan is detected the cycle in course terminates and the number of cycles parameterised is carried out...

Страница 9: ...ough TOR input o If loss of the input I3 the stop fan is established the sequencer terminates the cycle in course according to the chosen stop mode carries out the adjusted number of cycles and stops If the adjusted number of cycles is set at 0 the sequencer stops instantly or terminates the cycle in course according to the chosen stop mode If stop fan detection is through pressure drop o If loss ...

Страница 10: ...les and by pressing ou button visualisation of the number of units Example Number of thousands 175 Number of units 293 for 175293 cycles Passing to next step by pressing the Select button The menu led SV T1 is blinking rapidly Pneumatic control choice of the SV with et button ACo display with control ACn display without control Validation of the choice using the Select button and return to the use...

Страница 11: ...esents the SV number which has caused the fault This control is effective if the c a control option is validated see HIDDEN MENU This fault appears after a shooting at the end of T2 if the c a input is set to 0 This fault is reseted if the next shooting on this SV is OK 4 dAC if fault c a general This fault appears if the c a input is opened more than 2 seconds outside of a declogging cycle This f...

Страница 12: ...ng response Relay supplied if sequencer in cycle and not in stop on image contact between terminals located 21 and 24 Relay cut if sequencer at stop contact between terminals located 21 and 22 3 K3 relay DP high alarm Relay supplied contact between terminals located 31 and 34 if no DP high alarm Relay cut contact between terminals located 31 and 32 if noDP high alarm INPUTS 1 I1 input If no presen...

Страница 13: ...ral protection F2 5A F5 and F6 protection 24V integrated SV outputs and inputs Version 25VA 25W T1 6A if S V voltage 24V T1A if S V voltage 48V Version 45VA 40W F2 5A if S V voltage 24V If supply between PHASE and NEUTER fuses F8 and F4 are put on the NEUTER T time delay F rapid F3 and F4 primary protection internal transformer Version 25VA 25W T500mA if voltage supply 115V T250mA if voltage suppl...

Страница 14: ...voltage and or solenoid valve voltage is modified the manufacturing plate on the box must be updated JUMPER POSITION FOR A SUPPLY IN 230VAC JUMPER POSITION FOR A SUPPLY IN 115VAC JUMPERS POSITION For SV outputs in 24VAC internal OR 24VDC internal 48VAC internal OR 48VDC internal JUMPERS POSITION For SV outputs in voltage sequencer supply voltage IMPORTANT If you have to change the supply the devic...

Страница 15: ...ont face Depending on the configuration of the device certain terminals may not be operationals Cables conducting will be supple and will have a section included between 0 5 and 1 5 mm2 Supply 115V or 230v 50 60Hz INPUTS I1 T2A or DP loop control if no DP card I2 compressed air I3 fan loop control or other INFORMATION OUTPUTS K1 general fault K2 running response K3 high alarm DP 4 20mA output For ...

Страница 16: ...ER CONTROLLER WITH OR WITHOUT DIFFERENTIAL PRESSURE SWITCH Technical notice FI 72 0297 1016E Page 16 SV connection by separate cables SV connection by multiconductor cables C terminals are linked between them ...

Страница 17: ...NCER CONTROLLER WITH OR WITHOUT DIFFERENTIAL PRESSURE SWITCH Technical notice FI 72 0297 1016E Page 17 SPACE REQUIREMENTS AND FIXINGS Dirty air Clean air FIXING 4 HOLES DIAMETER 4 2 BETWEEN THE AXIS 320X238 ...

Страница 18: ...operating conditions consult us Work interventions must always be carried out by duly qualified staff CALIBRATION The device leaves our workshops adjusted at 0 for zero pressure and at maxi for the maxi pressure value of the range Settings carried out device stabilised and at 20 C It is possible to adjust the zero pressure Put the device out of pressure disconnect the pressure taps Place it in the...

Страница 19: ... recommend that the device is supplied through the intermediary of an insulation transformer for which the primary is supplied between phases and not between phase and neutral so as to avoid any accidental over voltage caused when the neutral is cut before the phases In the event of a problem please contact Sefram IV COMMISSIONING AND USAGE Commissioning is authorised only after duly establishing ...

Страница 20: ...es etc Any intervention on the device apart from the connections In case of failure no action is permitted and the unit must be returned to the following address CERTIFICATE The SF6 36 V2 respects the European directives Low Voltage Directive and Electromagnetic Compatibility Directive which concerns it However it must be used correctly in applications for which it is intended and should be linked...

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