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2 | Product and functional description

FISCHER Mess- und Regeltechnik GmbH

10

BA_EN_DE90

2.3 Function diagram

Sensor 1

Display

þ û ÿ

Analogue output 1

Switch output 1

Switch output 2

Switch output 3

Switch output 4

Differential pressure

Power supply

24 V AC/DC

USB OTG

RS485

Modbus

Analogue output 2

Sensor 2

Differential pressure

Channel 1

Channel 2

µC

Fig. 1:

Function diagram

2.4 Design and mode of operation

The device is based on a piezo-resistive sensor element that is suitable for
measuring overpressure, under-pressure and differential pressure. The pres-
sures to be compared directly act on a silicon diaphragm equipped with a meas-
uring bridge.

When the pressure is equal, the measuring diaphragm is is in its idle state. If a
pressure difference occurs, the diaphragm is deflected, causing a change in
resistance of the applied measuring bridge. This change is evaluated by the
electronics integrated in the instrument and converted into a display, switching
contacts and output signal.

The output signal can be damped, spread, inverted and also non-linearly trans-
formed via a table function.

In the version with only one channel, the device has one analog output and two
switching outputs. In the version with two channels, the device has two analog
outputs and four switching outputs. Analog and switching outputs can be freely
assigned to the measuring channels.

The device can be equipped with two digital interfaces.

1. USB OTG

All devices have a USB interface which can be used for firmware updates
as well as for importing and exporting parameters. This can be done with a
USB stick or by connecting a computer (e.g. laptop).

2. RS485 Modbus RTU

The device can optionally be equipped with a Modbus interface. In this
case, the analog and switching outputs are not available. The measured
values can then be interrogated by the master via Modbus.

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Содержание PRO-LINE DE90

Страница 1: ...II 3G Ex nA IIC T4 Gc II 3D Ex tc IIIB T125 C Dc Operating manual DE90 Differential pressure transmitter PRO LINE 09015203 BA_EN_DE90 Rev ST4 D 11 19 09015203 ...

Страница 2: ...ocess without the written consent of the company FISCHER Mess und Regeltechnik GmbH Bad Salzuflen Reproduction for internal use is expressly allowed Brand names and procedures are used for information purposes only and do not take the respective patent situation into account Great care was taken when compiling the texts and illustrations Nevertheless errors cannot be ruled out The company FISCHER ...

Страница 3: ...2 5 Equipment versions 11 2 5 1 Type plate 12 3 Assembly 13 3 1 General 13 3 2 Mounting in explosive areas 13 3 3 Process connection 13 3 3 1 Replacement plates 14 3 3 2 Cutting ring screw connections 15 3 4 Electrical connections 15 3 4 1 Operation in areas at risk of explosion 15 3 4 2 Devices with switch outputs 16 3 4 2 1 3 conductor circuit 16 3 4 2 2 M12 connector 1 auxiliary energy and anal...

Страница 4: ...5 4 Quick access 41 5 5 Configuration 43 5 5 1 Channel 1 45 5 5 1 1 Mode C1 46 5 5 1 2 Measurement C1 47 5 5 1 3 Characteristic curve C1 menu expansion 54 5 5 1 4 Number format C1 61 5 5 1 5 Colour change C1 62 5 5 2 Channel 2 67 5 5 3 Channel 3 68 5 5 3 1 Mode C3 69 5 5 3 2 Measurement C3 69 5 5 3 3 Characteristic C3 menu expansion 70 5 5 3 4 Number format C3 77 5 5 3 5 Colour change C3 77 5 5 4 ...

Страница 5: ...ng 94 6 1 Maintenance 94 6 2 Transport 94 6 3 Service 94 6 4 Disposal 94 7 Technical data 95 7 1 General 95 7 2 Input variables 95 7 3 Output sizes 96 7 4 Measuring accuracy 97 7 5 Digital interfaces 98 7 6 Auxiliary energy 98 7 7 Operating conditions 98 7 8 Display 98 7 9 Construction design 99 7 9 1 Materials 99 7 9 2 Dimensional drawings 99 8 Order codes 101 8 1 Accessories 105 9 Attachments 10...

Страница 6: ...nded use of the device or the limit values given in the technical specifications can be hazardous or cause harm to persons the environment or the plant itself The supplier of the equipment will not be liable for damage claims if this should happen 1 4 Safety Instructions for the Operating Company and the Operator The safety instructions governing correct operation of the instrument must be observe...

Страница 7: ...evention and any of the operating company s internal work operating and safety guidelines must be observed The operating company is responsible for ensuring that all required mainten ance inspection and installation work is carried out by qualified specialized per sonnel 1 8 Pictogram explanation DANGER Type and source of danger This indicates a direct dangerous situation that could lead to death ...

Страница 8: ...ndicates that user 1 only has one set of read rights The respective user number see above is used for another user There is no symbol for writing read rights A This symbol indicates that there is a submenu L This symbol indicates that there is a blocked sub menu or parameter E This symbol is an indicator for the menu output at the next highest level R This symbol stands for an option that was not ...

Страница 9: ...utral gaseous media The device may only be used for the purpose stipulated by the manufacturer The manufacturer will not be liable for damage arising from incorrect or im proper use 2 2 1 Explosion hazard area classification 2 2 1 1 Gas explosion protection Devices with the order code DE90 0 000 R are suitable as Electrical equipment for use in potentially explosive areas Zone 2 Gases and vapours ...

Страница 10: ...f the applied measuring bridge This change is evaluated by the electronics integrated in the instrument and converted into a display switching contacts and output signal The output signal can be damped spread inverted and also non linearly trans formed via a table function In the version with only one channel the device has one analog output and two switching outputs In the version with two channe...

Страница 11: ...nnel Pneumatics Plug connection CK screw connection Cutting ring connection Channel 1 Channel 2 Fig 2 Process connections Electrical connections Two M12 flange connectors are used for the electrical connection Connector 1 Connector 2 Model 1 channel 2 channel Auxiliary energy Output signal Switch outputs Fig 3 Electrical connections ATEX Version earth connection conductive housing Fig 4 ATEX Versi...

Страница 12: ...nel version 15 16 1 2 3 4 5 6 7 8 10 9 11 12 14 13 Fig 5 Type plate 1 Conformity 2 Device type order codes 3 Basic measuring range 4 Set measuring range 5 Durability 6 Output signal 7 Auxiliary energy 8 Production number 9 Customer item number 10 ATEX marking 11 Special properties 12 Parameter number 13 Circuit diagram 1 14 Circuit diagram 2 15 Data for channel 1 16 Data for channel 2 Explanations...

Страница 13: ...e areas the personnel must receive additional training or briefings or have a permit to work on explosion protec ted units in potentially explosive systems DANGER The operator must ensure that any falling objects cannot collide with the installed unit Steps must be taken to prevent the impact creating sparks so that the protection class of the casing is no longer guaranteed This can be avoided by ...

Страница 14: ...t plate These replacement plates are equipped ex works with the required process connections and the M12 flange connectors for the electrical connection The user may not make any independent modifications Pneumatic plug connection for hydraulic hoses CK quick action screw connection for soft hoses cutting ring screw connection for hydraulic tubes stainless steel process connection type Polyamide h...

Страница 15: ...t be observed Disconnect the system from the mains before electrically connecting the device Install the consumer adapted fuses Do not connect the connector if strained 3 4 1 Operation in areas at risk of explosion WARNING Do not connect the connector if strained Sparks can be created the plug is mounted under tension or replaced If operated in explosive areas the electrical data of the unit and t...

Страница 16: ...stance is stated in the technical data It is connected using a prefabricated sensor connection cable see accessories Alternatively a pre fabricated M12 connector can also be used NOTICE The protection class of the housing can only be guaranteed if an IP65 connecting plug is used 1 channel version Δp1 Vin GND AOut1 DE90 Channel 1 U Output 1 RL Auxiliary energy AC DC b Ub F1 1 3 4 2 AOut1 Fig 11 3 c...

Страница 17: ...lue 4 Analog output 1 AOut1 Black 5 Unused Grey A Coding 3 4 2 3 M12 connector 2 switch outputs The number of switch outputs depends on the number of measuring ducts 1 channel version 2 switch outputs 2 1 3 4 A Fig 15 M12 plug 4 pin PIN Signal Cable colour 1 Switch output 1 SP1 Brown 2 Switch output 2 SP2 White 3 Switch output 2 SP2 Blue 4 Switch output 1 SP1 Black A Coding 2 channel version 4 swi...

Страница 18: ...247 devices can be addressed in one line network NOTICE Star shaped networks are not allowed MASTER DE90 1 2 DE90 1 2 DE90 1 2 Address 1 Address 2 Address 247 Bus termination AC DC AC M Supply 1 2 E Modbus 5 Fig 18 Modbus RTU network Communication is effected solely with the Modbus master The connected slaves only react to direct commands from the master which is why communic ation between the sla...

Страница 19: ...in supply Please note that the M12 plugs are approved for max 2A This value may already be exceeded if there are more than 12 devices of type DE90 In this case an intermediate auxiliary energy feed should be provided at a suitable place AC DC AC BUS D1 BUS D0 BUS R Ub2 Ub2 1 3 2 4 5 DE90 Auxiliary energy 2 Feed 1 3 2 4 5 1 3 2 4 5 ST1 ST2 DE90 1 3 2 4 5 1 3 2 4 5 ST1 ST2 BUS D1 BUS D0 BUS R 2 4 5 ...

Страница 20: ... DANGER Open the housing for ATEX devices ATEX devices may never be opened inside potentially explosive areas There is a micro USB connection for a USB stick inside the housing The para meters can be secured and loaded or the firmware can be updated via this USB interface The device can be configured via this interface using the PC software inTouch 2 The two lid screws need to be removed to open t...

Страница 21: ...ines mounted correctly 4 Are the attachment screws tighten correctly 5 Is the device adequately protected against precipitation and solar radi ation w Check that all electrical supply and measuring lines are installed correctly 1 Are the connection lines undamaged 2 Do the cables used fulfil the requirements 3 Is there strain relief on the mounted cables 4 Are the connection plugs mounted correctl...

Страница 22: ...h output Bargraph display Fig 26 Measured value display 1 channel 4 2 1 2 2 channel version The presentation can be modified using the Meas data display menu Both channels can be shown individually or at the same time The bargraph dis play always shows the two measuring channels Measurement point 1 1 2 3 4 Pa598 99 Pa Measurement point 1 C1 C2 Pa Pa598 99 Pa29 07 1 2 3 4 Pa U Channel 1 Channel 1 C...

Страница 23: ...measuring channels Measurement point 1 1 2 3 4 C1 C2 C3 27 547 98 201 mbar 70 654 mbar mbar U Channel 1 Channel 2 Channel 3 C1 C2 C3 Measurement point 1 1 2 3 4 C1 C2 C3 28 3165 m 139 3 kPa U 3 h Differential pressure Soiling Volume flow Difference Filter monitoring indicator frozen display Fig 28 Measured value display 3 channel 4 2 1 4 Back lighting The LC display is equipped with RGB back light...

Страница 24: ...button can be actuated in two ways IN the following the adjacent symbols indicate the actuation type 1 Pressing briefly calls up an immediate reaction to the pushed button 2 If the button is pressed for longer than 250 ms the reaction is a repetition of the pressed button hereinafter called Repeat If the button is pressed per manently the repeat is carried out in a continuous sequence However ther...

Страница 25: ...iguration 2 Log onto the device and go to the quick access 3 Change the Designation parameter 4 3 3 Configuration The measuring device is delivered in the configuration stated in the Order code 101 w However some parameters can be modified quickly and easily via the quick access unit start of measuring range end of measuring range and damp ing 1 You have the right to change the configuration 2 Log...

Страница 26: ...ion after transmis sion The transfer lasts just a few milliseconds 5 1 2 Menu tree Login Quick access Configuration Info Service Log in log out Timeout Manage users Reset passwords User 1 User 2 User 3 Administrator User 1 enabled User 1 password User 1 permissions User 2 enabled User 2 password User 2 permissions User 3 enabled User 3 passw User 3 permissions Admin password Language Designation M...

Страница 27: ...2 Offset C2 Zero pt window C2 Limit C2 Col ch C2 red grn Col ch C2 grn red Col ch C2 red ylw Col ch C2 ylw grn Col ch C2 grn ylw Col ch C2 ylw red Col ch C2 hyst Col ch C2 delay on Col ch C2 delay off Characteristic C2 Characteristic C2 Displ range C2 unit Table C2 Characteristic C2 Displ range C2 unit Displ range C2 end K factor C2 Air density C2 Characteristic C2 Displ range C2 unit Displ range ...

Страница 28: ...nt SP1 on SP1 off SP1 delay on SP1 delay off SP1 function SP2 assignment SP2 on SP2 off SP2 delay on SP2 delay off SP2 function SP3 assignment SP3 on SP3 of SP3 delay on SP3 delay off SP3 function SP4 assignment SP4 on SP4 off SP4 delay on SP4 delay off SP4 function Display Display Language Designation Meas data display Col ch assignment LCD colour LCD lighting LCD contrast Modbus RTU Modbus RTU B...

Страница 29: ... menu has up to five levels called Level hereinafter The levels are numbered from 0 to 4 Level 0 is the main menu No distinction is made between the menu and the parameters in this presentation However a menu can be recognised on the indicator A 1 2 3 4 Login Quick access Configuration Info A A A A U 1 2 3 4 Login Quick access Configuration Info A A A A U ÿ Fig 33 Page down menu Level 0 The button...

Страница 30: ...ubmenu Level 1 To leave the menu the cursor needs to be moved to the menu item Back Pressing this button û returns the user to the next highest level 1 2 3 4 Language Designation Meas range C1 unit Measuring range C1 start A A Quick access U ÿ 1 2 3 4 Back Meas range C2 start Meas range C2 end Damping C2 E Quick access U Measurement point 1 C1 C2 Pa Pa598 99 Pa29 07 1 2 3 4 Pa U û Fig 35 Page down...

Страница 31: ...are used whenever text or values are entered Edit This softkey is used to switch into the editing window for entering text or val ues OK The input is completed with this softkey The entered text or value is saved Cancel The input is cancelled with this softkey The originally saved text or value is retained A softkey is pressed by first being selected with the buttons ÿ and þ The softkey is shown i...

Страница 32: ...he next character position can be edited 5 1 5 2 Value input For example Directory Configuration Channel 1 Measurement C1 Meas range C1 start Ms range C1 start 1 2 3 4 OK Cancel Edit 100 000 Pa U Ms range C1 start 1 2 3 4 100 000 Pa 100 000 100 000 1 U û Limit Min Pointer Bargraph Limit Max Cursor Fig 39 Input of number values 1st place þ ÿ Fig 40 Setting a figure Partial input The number value ca...

Страница 33: ...this example the value is counted up from 29 to 30 Pressing the button þ permanently repeat the value increases gradually like a counter Counting is realised in the opposite direction by pressing the button ÿ The value is negative after zeroisation Ms range C1 start 1 2 3 4 020 000 Pa 100 000 100 000 9 U Ms range C1 start 1 2 3 4 030 000 Pa 100 000 100 000 0 U þ Fig 42 Number overflow The value is...

Страница 34: ... C2 unit 1 2 3 4 bar mbar Pa kPa R R S R U Ms range C2 unit 1 2 3 4 bar mbar Pa kPa R S R R U ÿ û Fig 43 Entry of options The cursor is moved with the buttons ÿ and þ Only one of the offered op tions can be selected The button û is used to select the option marked by the cursor The menu exit back button is used to return to the called up the menu The se lected option is accepted ...

Страница 35: ...level The main menu comprises the following menus Menu name Description Login A In this menu users can log in and log off and also manage passwords Quick access A Quick accessThe menu contains im portant parameters or menus that can be reached and changed in the Quick access Configuration A Configuration of the unit is realised with this menu The menu levels stretch across up to four levels Info A...

Страница 36: ... Reset passw L L L Fig 45 Login The login menu consists of the following parameters and submenus Menu name Description Log in log out Users can login and off with this menu item Timeout The timeout function is defined with this parameter Manage users A This submenu serves to manage users and passwords Passw Reset This menu item is used to reset all passwords to 000 Back E This represents the outpu...

Страница 37: ...in Timeout Manage users Reset passw L L L Login 1 2 3 4 3 1 2 û û Login 1 2 3 4 Log off Timeout Manage users Reset passw A U 1 Symbol logged in user User no Fig 46 Log in Users log out by selecting the corresponding menu item and confirming with the button û A key in the top right corner of the display signalises the logged in user Login 1 2 3 4 Log in Timeout Manage users Reset passw L L L û Logi...

Страница 38: ...er the timeout function is deactivated the user remains permanently logged in Users must log off manually U 1 The key symbol should indicate this possibly undesirable status 5 3 3 Manage users Directory Login Manage users Level 2 Manage users 1 2 3 4 User 1 User 2 User 3 Administrator A A U A A Fig 48 Manage users The login menu consists of the following parameters and submenus Menu name Descripti...

Страница 39: ...User activated The password for the user is issued with the parameter User 1 password A password 000 is issued with the default setting Only numerical passwords from 000 to 999 can be used 5 3 3 1 1 User 1 permissions Directory Login Manage users User 1 User 1 permissions Level 4 User 1 rights 1 2 3 4 View configuration Edit configuration Update firmware Manage users G U G G G Fig 50 User 1 permis...

Страница 40: ...ervice menu is allowed However the right to manage users and update the firmware remains blocked The right to update the firmware is issued with the parameter Update firmware The right to change user rights is issued with the parameter Manage users A user with all rights has no access to the administrator menu nor may he reset the passwords to default settings 5 3 3 2 Administrator Directory Login...

Страница 41: ... Meas range C1 start A A U Fig 53 Quick access This menu allows quick access to some of the most important parameters of the two measuring channels This shows the menu for devices with two measuring channels C1 C2 In models with just one measuring channel the parameters of the second channel C2 are hidden Menu name Description Language A This menu can be used to select a defined language as a menu...

Страница 42: ...ng range of the 2nd measuring channel is defined with this parameter Meas range C2 end The end of the measuring range of the 2nd measuring channel is defined with this parameter Damping C2 This parameter can be used to set a damping for the 2nd measuring chan nel Back E This represents the output exit of the quick access menu Press back to re turn to the main menu Signpost Page Language 85 Designa...

Страница 43: ... are described for a device with two channels The displays and descriptions shown may therefore differ for a device with only one channel Only devices with two channels have a third channel This channel is a so called virtual channel whose display values are calculated by a mathematical function from the two measurement channels 1 and 2 Menu name Description Channel 1 A With this menu the 1st meas...

Страница 44: ...5 Operation FISCHER Mess und Regeltechnik GmbH 44 BA_EN_DE90 Signpost Page Channel 1 45 Channel 2 67 Channel 3 68 Analog output 78 Switch output 81 Display 84 Modbus RTU 89 ...

Страница 45: ...e selected mode A Number format C1 A In this menu the decimal places for the measured value display of the measuring channel are set Colour change C1 A In this menu the color changes for the measuring channel are parameterized Back E This represents the output exit of the menu This takes you Back to the parameterization menu The following graphic illustrates the interaction of the various paramete...

Страница 46: ...l measurements on tanks Volume flow Volumetric flow measurements in vent ilation systems Linear function Mathematical function f x mx b Back E This represents the output exit of the menu It takes you back to the Channel 3 menu Each of these operating modes requires a different parameterization of the characteristic curve After the exit of this menu the calling menu will supple mented by the menu e...

Страница 47: ...to be measured pressure must be defined Meas range C1 start The start of the measuring range is defined with this parameter Meas range C1 end The end of the measuring range is defined with this parameter Damping C1 The damping parameter serves to dampen the display Offset C1 The characteristic is displaced with the parameter offset Zero pt window C1 The zero point window parameter defines a range ...

Страница 48: ...Pa R S U R R Fig 59 Meas range C1 unit Implemented pressure units Unit Description bar bar Metric and SI units mbar milli bar Pa Pascal kPa kilo Pascal MPa Mega Pascal psi pound force per square inch Anglo American units Imperial Units inH O inch water column mmH O mm Water column Historical units mmHg mm Mercury column If the pressure unit is changed the conversion for all parameters takes place ...

Страница 49: ...1 end the input range of measuring channel 1 is configured Spread Turn down The characteristic can be spread within the basic measuring range The spread is the ratio of the basic measuring range to the set measuring span and may be a maximum of 4 1 i e the difference of the two values Meas range C1 start and Meas range C1 end must be at least 25 of the basic meas uring range 0 1 1 0 25 0 25 0 50 0...

Страница 50: ...2 4 Damping C1 Directory Configuration Channel 1 Measurement C1 Damping C1 Level 4 Damping C1 1 2 3 4 OK Abbr Edit 0 s U Fig 63 Damping C1 If there are unsteady measurement readings during operation you can use the parameter Damping C1 to stabilise the reading The value range is from 0 s to 30 s The parameter functions like a capillary throttle Please note that the damping only affects the signal ...

Страница 51: ...cted with the parameter Offset C1 The value range is one third of the basic measuring range The current measurement is shown at the bottom right During the input the set offset parameters act immediately on the measured value Please note that this zero point window and the damping are not active during the offset setting Differential pressure Measuring value Offset Real characteristic curve Ideal ...

Страница 52: ... C1 is designed to solve this The value range is one third of the basic measuring range Differential pressure Display value x 2x x 2x Zero point window Fig 67 Zero point window The parameter value x defines a range around zero the so called zero point window All measured values within this window are displayed as a zero value The reading will only no longer show zero if the pressure lies outside t...

Страница 53: ...asurement C1 Level 3 Measurement C1 1 2 3 4 Damping C1 Offset C1 Zero pt window C1 Limit C1 A U H Fig 68 Limit C1 With this property the measuring data display can be limited to the Meas range C1 start and Meas range C1 end measuring range defined with the parameters The button û is used to activate and deactivate ...

Страница 54: ...ne the flow rate unit It must have a length of at least 5 characters Displ range C1 start The start of the display range is defined with this parameter Displ range C1 end The end of the display range is defined with this parameter Back E This represents the output exit of the menu Press back to return to the Channel 1 menu This function allow the flow rate to be measured by means of an effective p...

Страница 55: ...presents the output exit of the menu It is used to return to the Chan nel 1 menu The table function can be used to correct the input characteristic of the sensor at any point The changes impact on the display value and the output signal 5 5 1 3 2 1 Table C1 Directory Parametrierung Kanal1 Kennlinie K1 Tabelle K1 Level 4 Table C1 1 2 3 4 Disp Value pairs Input value 1 Display value 1 U Input value ...

Страница 56: ... 7 value pairs 4 Of the input signal the range 20 80 Pa should be used The basic measuring range is 0 100 Pa The display should display in the start of the measuring range 20 Pa and at the end of the measuring range 80 Pa Basic measuring range 0 100 Pa Measuring range 20 80 Pa Display range 10 70 Pa Output signal 0 20 mA The value point 5 should be displayed so that the output delivers 12 mA The f...

Страница 57: ... used to return to the Chan nel 1 menu This function allow the volume flow to be measured by means of an effective pressure procedure q q k Volume flow K factor k Δp Differential pressure Δp Fig 74 Volume flow basic formula The ventilator is equipped with a measuring device to measure the volume flow Each manufacturer states a K factor for his ventilator This is filed with the para meter K factor ...

Страница 58: ... per hour Default value l s Litre per second cfm Cubic feet per minute 5 5 1 3 3 2 Formula C1 Directory Configuration Channel 1 Characteristic C1 Formula C1 Level 4 Formula C1 1 2 3 4 Standard Comefri EBM Papst Fläkt Woods S R U R R Fig 76 Formula C1 The following table lists the formulas specified by the respective manufacturer for calculating the volume flow Comefri EBM Pabst Fläkt Woods Nicotra...

Страница 59: ...he inlet cone and one measuring point in the suction chamber of the ventilation unit The differential pressure between the measuring points is used to calculate the volume flow The basic formula given applies to a frictionless and loss free flow with constant density In reality therefore a correction value caused by the design and other factors must be taken into account The fan manufacturers have...

Страница 60: ...This parameter defines the beginning of the display range Displ range C1 end This parameter defines the end of the display range Slope C1 This parameter determines the slope m of the linear characteristic Offset C1 This parameter defines the axis section b of the linear characteristic Back E This represents the output exit of the menu This takes you back to the Channel 1 menu With this menu the ou...

Страница 61: ... ally possible variants are made available for selection The decimal places are limited by the measuring range There are 8 characters available with signs decimal points and number value The measuring data dis play can have less decimal points than set in the number format For example Set number format 123 456 Current measuring value 1234 567 Displayed measuring value 1234 57 Only two decimal poin...

Страница 62: ...ange Col ch C1 grn red Col ch C1 red ylw Col ch C1 ylw grn Col ch C1 grn ylw Col ch C1 ylw red Col ch C1 hyst This parameter can be used to set an hysteresis for all switch thresholds Col ch C1 delay on This parameter can be used to set an activation delay for all switch thresholds Col ch C1 delay off This parameter can be used to set a deactivation hysteresis for all switch thresholds Back E This...

Страница 63: ... green Directory Parametrierung Kanal 1 Farbwechsel K1 Farbw C1 red green Level 4 Col ch C1 red grn 1 2 3 4 OK Cancel Edit 25 000 Pa U Fig 84 Colour change C1 red green The other switch thresholds are entered in the same way 5 5 1 5 2 Colour change C1 type red yellow green The following switching thresholds are relevant for this colour change Basic measuring range MS ME S1 S2 S3 S4 RED YELLOW GREE...

Страница 64: ...lacing thresholds outside the measuring range If the threshold values were to be laid precisely at the start of the measuring range the display would shine red in the zero point Red Yellow Green The cause for this lies in the priority of the colours The red colour has priority over the yellow colour and this has priority over the green colour 5 5 1 5 3 Colour change C1 hysteresis Directory Configu...

Страница 65: ... then realised as follows i Lower switching thresholds S1 and S2 In case of a colour change from a higher to a lower risk level the hysteresis acts with an increasing signal S1 0 5 Increasing signal Falling signal Fig 89 Example Hysteresis S1 ii Upper switching thresholds S3 and S4 In case of a colour change from a lower to a higher risk level the hysteresis acts with an decreasing signal S4 0 5 I...

Страница 66: ...2 Colour change C1 delay off The deactivation delay acts when changing from a higher risk level to a lower risk level This results in the following connection between the delay and the colour change Danger level Delay Danger level Delay increasing signal RED RED YELLOW YELLOW GREEN 2 1 0 1 2 S1 S2 S3 S4 falling signal RED RED YELLOW YELLOW GREEN 2 1 0 1 2 S1 S2 S3 S4 tOFF tOFF tON tON tON tON tOFF...

Страница 67: ...el 2 Directory Configuration Channel 2 Level 2 Channel 2 1 2 3 4 Mode C2 Measurement C2 Number format C2 Colour change C2 A A U A A Fig 94 Channel 2 The 2nd measuring channel is configured identically to the 1st measuring chan nel 45 No explanation is provided at this point ...

Страница 68: ...d functions for the measuring channel Measurement C3 A In this menu the input of the measuring channel is parameterized Menu expansion Characteristic C3 This menu is hidden depending on the selected mode A Number format C3 A In this menu the decimal places for the measured value display of the measuring channel are set Colour change C3 A In this menu the color changes for the measuring channel are...

Страница 69: ...d Dyn filter monitoring re quire different parameterization of the characteristic curve Therefore the call ing menu after the exit is supplemented by the menu extension Characteristic K3 with which the characteristic curve for the selected mode is parameterized See also 2 Characteristic C3 menu expansion 70 5 5 3 2 Measurement C3 Directory Configuration Channel 3 Measurement C3 Level 3 Measurement...

Страница 70: ...nge C3 unit Displ range C3 start Displ range C3 end Formula C3 U A A Fig 98 Characteristic C3 difference Menu name Description Displ range C3 unit A This parameter can be used to assign a unit to the difference Displ range C3 start This parameter defines the beginning of the display range Displ range C3 end This parameter defines the end of the display range Formula C3 A This menu is used to set M...

Страница 71: ...nch Anglo American units Imperial Units inH O inch water column mmH O mm Water column Historical units mmHg mm Mercury column The measured values of the channels and all parameters are converted into the unit selected here The difference is then calculated and the result displayed 5 5 3 3 1 2 Formula C3 Directory Configuration Channel 3 Characteristic C3 Formula C3 Level 4 Formula C3 1 2 3 4 Ch 1 ...

Страница 72: ...nt p clean This parameter defines the limit value for the clean filter p soiled This parameter defines the limit value for the dirty filter p correction value This parameter can be used to set an offset for the characteristic curve Max volume flow This parameter determines the upper limit value for the volume flow Min volume flow This parameter determines the lower limit value for the volume flow ...

Страница 73: ...ith increasing contamination the pressure difference measured above the filter increases As soon as the pressure difference exceeds the set limit value the filter monitoring system signals the contamination of the filter This is indicated as a fault The volume flow control keeps the air volume flow constant despite increasing contamination by increasing the fan speed However the pressure drop acro...

Страница 74: ...d by the parameter Approximation Experience shows however that the linear approximation is sufficient in most cases The two input channels are assigned with the parameters Channel p dif ferential pressure measurement and Channel Q volume flow measure ment Please make sure that you do not assign the same channel twice and that the input channels have been parameterized according to the measure ment...

Страница 75: ...r the entire operating range Δp Q 1 100 150 250 300 2 3 4 5 6 7 8 9 10 1000 m3 h Pa Corrected filter characteristic curve soiled filter soiled filter cleanfilter Qmin Qmax Δpmax soiled Offset filter characteristic curve soiled filter 0 100 Display range 50 200 Soiling Volume flow Operating point Fig 107 Correction value Linear filter characteristic curve The measurement errors resulting from the c...

Страница 76: ...eristic curve The p correction value parameter can be used to set an offset for the linear characteristic curve so that the deviation from the real filter characteristic curve is minimized over the entire operating range 50 Δp Q 1 100 150 200 250 300 2 3 4 5 6 7 8 9 10 1000 m3 h Pa Qmin Qmax Δpmax soiled Offset 0 100 corrected filter characteristic curve soiled filter soiled filter clean filter fi...

Страница 77: ...7 Displayed measuring value 1234 57 Only two decimal places are displayed otherwise the maximum number of 8 characters would be exceeded The last digit is rounded 5 5 3 5 Colour change C3 Directory Configuration Channel 3 Colour change C3 Level 3 Colour change C3 1 2 3 4 Col ch C3 red grn Col ch C3 grn red Col ch C3 red ylw Col ch C3 ylw grn U Fig 111 Colour change C3 This menu is used to set the ...

Страница 78: ...f output 2 is assigned in this menu Limit I min Parameters for the lower limit of the current output Limit I max Parameters for the upper limit of the current output I error signal Parameters for the error signal of the current output Limit U min Parameters for the lower limit of the voltage output Limit U max Parameters for the upper limit of the voltage output U error signal Parameters for the e...

Страница 79: ...he signals can be set for output 1 Current signals Voltage signals 0 20 mA 0 10 V 4 20 mA 2 10 V 1 5 V 5 5 4 2 Analog output 1 assignment Directory Configuration Analog output An output 1 assignmt Level 3 An output 1 assignmnt 1 2 3 4 Channel 1 Channel 2 Back S E U R Channel 3 R Fig 114 Analog output 1 assignment The assignment of the analogue outputs to the channels can be set freely This menu it...

Страница 80: ...ut signal that may not be undercut or exceeded re gardless of the measured variable These limit values take precedence over the meas range C1 start and meas range C1 end range defined by the parameter 6 4 mA 20 mA 21 5 mA Error signal Error signal Measuring range C1 start Measuring range C1 end limit I max limit I min basic measuring range output signal Fig 115 Limitation of the output signal The ...

Страница 81: ...nel or switches it off SP1 on The activation point is set with this parameter SP1 off The deactivation point is defined with this parameter SP1 delay on The activation delay is defined with this parameter SP1 delay off The deactivation delay is defined with this parameter SP1 function A The contact point is defined with this menu Back E This represents the output exit of the menu Press back to ret...

Страница 82: ...accordingly The values are shown in the valid unit and set accordingly Both parameters can be set in dependently over the entire value range Increasing input signal dropping input signal If the parameter SP1 on SP1 off the contact pulls if the measured value exceeds the parameter value If the measured value undercuts the para meter value the contact drops MA ME SP1 On SP1 Off If the parameter SP1 ...

Страница 83: ...ik GmbH Operation 5 BA_EN_DE90 83 Delay The switching behaviour of the contact can be delayed with the two parameters SP1 delay on and SP1 delay off On Off On Off Time SP1 delay on SP1 delay off SP1 SP1 delayed Time Fig 120 Delay ...

Страница 84: ...evice Meas data display A This menu can be used to define which measuring value channel should be displayed Col ch assignmt A This menu can be used to determine which measuring channel controls the colour change LCD col A This menu is used to determine the colour of the backlighting and or their colour change LCD lighting This parameter can be used to switch off the lighting based on a timer LCD c...

Страница 85: ...n Directory Configuration Display Designation Level 3 Designation 1 2 3 4 OK Abbr Edit Measuring point 2 U Fig 123 Designation At this point a designation for the differential pressure transmitter can be is sued There are 20 digits available The designation appears on the measured value display 5 5 6 3 Measuring data display Directory Configuration Display Meas data display Level 3 Meas data displ...

Страница 86: ...akes place as soon as one of the channels triggers a color change The triggering channel is marked with a dot When re entering the green area the indicators are deleted Example Two channels are displayed on the power indicator First channel 2 triggers a green red color change A short time later the same colour change is triggered by channel 1 Measuring point 1 C1 C2 Pa Pa68 99 Pa29 07 1 2 3 4 Pa U...

Страница 87: ...n the menu item Colour change 62 in the menu for the configuration of the chan nels 5 5 6 6 LCD lighting Directory Configuration Display LCD lighting Level 3 LCD lighting 1 2 3 4 OK Cancel Edit 0 s U Fig 128 LCD lighting This parameter is used to define a time period after which the back lighting is switched off once no more input has been entered via the keyboard The light ing can be switched on ...

Страница 88: ...egeltechnik GmbH 88 BA_EN_DE90 5 5 6 7 LCD contrast Directory Configuration Display LCD contrast Level 3 LCD contrast 1 2 3 4 OK Cancel Edit 0 U Fig 129 LCD contrast This parameter can be used to set the contrast for the LC display ...

Страница 89: ...e order A U A A Fig 130 Modbus RTU Menu name Description Baud rate A The baud rate is set with this menu Data format A The data format data parity stop bit is defined for the transmission with this menu Modbus address The DE90 address is entered with this parameter Byte sequence A The byte order for the floating point fig ure is defined with this menu Back E This represents the output exit of the ...

Страница 90: ...This represents the output exit of the menu Press back to return to the Modbus RTU menu 5 5 7 2 Data format Directory Configuration Modbus RTU Data format Level 3 Data format 1 2 3 4 8 N 1 8 N 2 8 O 1 8 O 2 S R U R R Fig 132 Data format Data format Description 8 N 1 8 data bit No parity 1 stop bit 8 N 2 8 data bit No parity 2 stop bit 8 O 1 8 data bit Odd parity 1 stop bit 8 O 2 8 data bit Odd par...

Страница 91: ... 5 5 7 4 Byte order Directory Configuration Modbus RTU Byte order Level 3 Byte order 1 2 3 4 Big Endian Little Endian Back S E U R Fig 134 Byte order Menu name Description Big Endian The highest value byte first MSB LSB Little Endian The lowest value byte first LSB MSB Back E This represents the output exit of the menu Press back to return to the Modbus RTU menu The order for the bytes of the floa...

Страница 92: ...rovided in this menu Menu name Description Dev Device type serial number Revision Firmware version Input 1 Basic measurement range spread Input 2 Basic measurement range spread Analog output Output signal Switch output Assignment contact type Back E This represents the output exit of the information menu Press back to re turn to the main menu Information about the device and the configuration are ...

Страница 93: ...device USB configuration A parameterization stored on a USB stick is loaded Configuration USB The parameterization is stored on a USB stick Update firmware A firmware update stored on a USB stick is executed Back E This represents the output exit of the service menu It took you Back to the main menu In order to be able to use a USB stick the housing must first be opened DANGER Opening the housing ...

Страница 94: ...revent heat build up Cleaning intervals depend on the amount of local dust 6 2 Transport The measuring device must be protected against impacts It should be transpor ted in the original packaging or a suitable transport container 6 3 Service All defective or faulty devices should be sent directly to our repair department Please coordinate all shipments with our sales department WARNING Process med...

Страница 95: ...ar 200 mbar B 0 6 mbar 0 600 Pa 100 mbar 200 mbar B 0 10 mbar 0 1 kPa 100 mbar 200 mbar B 0 16 mbar 0 1 6 kPa 400 mbar 800 mbar B 0 25 mbar 0 2 5 kPa 400 mbar 800 mbar B 0 40 mbar 0 4 kPa 400 mbar 800 mbar B 0 60 mbar 0 6 kPa 1 bar 2 bar B 0 100 mbar 0 10 kPa 1 bar 2 bar B 0 160 mbar 0 16 kPa 2 5 bar 5 bar B 0 250 mbar 0 25 kPa 2 5 bar 5 bar B Sensors can be delivered with a higher overload and bu...

Страница 96: ...nal can be set by parameterization On delivery both analog outputs are set to the same signal see nameplate Device Version 1 channel 2 channel Number of analog outputs 1 2 Output signal 0 20 mA 4 20 mA 0 10 V 2 10 V 1 5 V Signal range 0 0 21 5 mA 0 0 10 5 V Load RL 600 Ω 2 kΩ Turn down 4 1 4 1 Switching outputs The number of switching outputs depends on the device version The assign ment of the sw...

Страница 97: ...ement error TC Zero point 10K TC span 10K Typ Max Typ Max Typ Max 0 4 mbar 0 400 Pa 0 5 1 0 0 15 0 3 0 05 0 1 0 6 mbar 0 600 Pa 0 5 0 75 0 15 0 25 0 05 0 1 0 10 mbar 0 1 kPa 0 25 0 5 0 1 0 2 0 05 0 1 0 16 mbar 0 1 6 kPa 0 25 0 5 0 15 0 3 0 05 0 1 0 25 mbar 0 2 5 kPa 0 25 0 5 0 15 0 25 0 05 0 1 0 40 mbar 0 4 kPa 0 25 0 5 0 1 0 2 0 05 0 1 0 60 mbar 0 6 kPa 0 25 0 5 0 1 0 2 0 05 0 1 0 100 mbar 0 10 k...

Страница 98: ...onform mains adapter with a slow 200 mA fuse only may be used in the power supply circuit for ATEX devices Nominal voltage 24 V AC DC Admissible operating voltage Ub 19 2 28 8 V AC DC Power consumption Type 2W VA Max 3W VA 7 7 Operating conditions Standard ATEX Ambient temperature range 20 70 C 20 60 C Medium temperature range 20 70 C 20 60 C Storage temperature range 20 70 C 20 70 C Protection IP...

Страница 99: ...nel Connector 1 Auxiliary energy output 5 pin male 5 pin male Connector 2 Switching outputs 4 pin male 8 pin male Installation position User defined Dimensions without connections 120 x 81 5 x 95 mm Weight max 380 g 7 9 1 Materials Materials of the parts that come into contact with the medium Silicon PVC FKM aluminium brass stainless steel Materials of the parts that come into contact with the sur...

Страница 100: ...7 Technical data FISCHER Mess und Regeltechnik GmbH 100 BA_EN_DE90 98 11 11 9 35 38 5 4 5 5 19 5 4 5 Fig 139 Mounting rail ...

Страница 101: ...5 mbar D6 0 250 Pa 52 0 4 mbar D7 0 400 Pa 53 0 6 mbar D8 0 600 Pa 54 0 10 mbar N1 0 1 kPa 55 0 16 mbar N2 0 1 6 kPa 56 0 25 mbar N3 0 2 5 kPa 57 0 40 mbar N4 0 4 kPa 58 0 60 mbar N5 0 6 kPa 59 0 100 mbar E5 0 10 kPa 60 0 160 mbar E6 0 16 kPa 82 0 250 mbar E7 0 25 kPa L5 25 25 Pa R6 40 40 Pa 2L 60 60 Pa A4 1 1 mbar L7 100 100 Pa A5 1 6 16 mbar R7 160 160 Pa A6 2 5 2 5 mbar L6 250 250 Pa A7 4 4 mba...

Страница 102: ...A4 1 1 mbar L7 100 100 Pa A5 1 6 1 6 mbar R7 160 160 Pa A6 2 5 2 5 mbar L6 250 250 Pa A7 4 4 mbar R1 400 400 Pa A8 6 6 mbar R2 600 600 Pa A9 10 10 mbar L8 1 1 kPa B1 16 16 mbar L9 1 6 1 6 kPa B2 25 25 mbar M6 2 5 2 5 kPa C5 40 40 mbar M7 4 4 kPa B3 60 60 mbar M8 6 6 kPa B4 100 100 mbar R8 10 10 kPa R5 160 160 mbar R9 16 16 kPa B6 250 250 mbar T1 25 25 kPa Process connection 5 6 40 CK aluminum scre...

Страница 103: ...essure resistance 1 bar only for the pressure ranges 52 0 4 mbar D7 0 400 Pa 53 0 6 mbar D8 0 600 Pa 54 0 10 mbar N1 0 1 kPa A6 2 5 2 5 mbar L6 250 250 Pa A7 4 4 mbar R1 400 400 Pa A8 6 6 mbar R2 600 600 Pa A9 10 10 mbar L8 1 1 kPa Approval 13 0 None R ATEX Zone 2 and 22 Housing lid color 14 0 Anthracite Green 1 Black Black conductive housing For devices in ATEX version the conductive housing is m...

Страница 104: ...iguration 3 Table configuration 4 Volume flow configuration with K factor 5 Equation configuration 6 Dynamic filter monitoring configuration 7 Difference configuration Z Customer specific configuration The configuration can be changed on the device at any time The delivery condition is defined by the order code For more information about this please refer to the operating instructions ...

Страница 105: ...tion Order no Terminating resistor Modbus 120 Ohm bush 04491119 120 Ohm plug 04491120 Connection set For connecting the differential pressure transmitter to ventilation ducts consist ing of PVC hose ABS measuring socket incl fixing screws Designation Hose Length Order no Plastic connection set 2 x 6 4 mm 1 m 04005129 2 5 m 04005148 5 m 04005163 10 m 04005216 2 x 8 6 mm 1 m 04005217 5 m 04005218 Co...

Страница 106: ...esignation Hose Length Order no Designation Complete connection set 1channel 4 6 mm 1 m 06411560 6 8 mm 1 m 06411561 2 Channel 4 6 mm 1 m 06411562 6 8 mm 1 m 06411563 Software The configuration software inTouch is available to the fischermesstechnik de as a download ...

Страница 107: ...FISCHER Mess und Regeltechnik GmbH Attachments 9 BA_EN_DE90 107 9 Attachments 9 1 EU Declaration of Conformity Fig 140 CE_DE_DE90 ...

Страница 108: ...9 Attachments FISCHER Mess und Regeltechnik GmbH 108 BA_EN_DE90 Fig 141 CE_DE_DE90_ATEX ...

Страница 109: ... Fig 18 Modbus RTU network 18 Fig 19 Modbus connection 18 Fig 20 Main supply 19 Fig 21 Intermediate supply 19 Fig 22 M12 plug 5 pin 19 Fig 23 M12 bush 5 pin 20 Fig 24 USB port fig similar 20 Fig 25 Start screen 2 channel 21 Fig 26 Measured value display 1 channel 22 Fig 27 Measured value display 2 channel 22 Fig 28 Measured value display 3 channel 23 Fig 29 Operating keys 24 Fig 30 Menu tree 26 Fi...

Страница 110: ...ror 51 Fig 66 Zero point window C1 52 Fig 67 Zero point window 52 Fig 68 Limit C1 53 Fig 69 Characteristic C1 flow rate 54 Fig 70 Characteristic C1 table 55 Fig 71 Table C1 55 Fig 72 Table function 56 Fig 73 Characteristic C1 volume flow 57 Fig 74 Volume flow basic formula 57 Fig 75 Display range C1 unit 58 Fig 76 Formula C1 58 Fig 77 Volumetric flow measurement Manufacturer s formulas 58 Fig 78 V...

Страница 111: ...stic curve 75 Fig 107 Correction value Linear filter characteristic curve 75 Fig 108 Square root approximation of the filter characteristic curve 76 Fig 109 Correction value square root filter characteristic curve 76 Fig 110 Number format C3 77 Fig 111 Colour change C3 77 Fig 112 Analog output 78 Fig 113 Analog output 1 type 79 Fig 114 Analog output 1 assignment 79 Fig 115 Limitation of the output...

Страница 112: ...Regeltechnik GmbH 112 BA_EN_DE90 Fig 134 Byte order 91 Fig 135 Info 92 Fig 136 Service 93 Fig 137 USB port similar to illustration 93 Fig 138 Dimensional picture 99 Fig 139 Mounting rail 100 Fig 140 CE_DE_DE90 107 Fig 141 CE_DE_DE90_ATEX 108 ...

Страница 113: ...FISCHER Mess und Regeltechnik GmbH BA_EN_DE90 113 Notes ...

Страница 114: ...FISCHER Mess und Regeltechnik GmbH 114 BA_EN_DE90 ...

Страница 115: ...FISCHER Mess und Regeltechnik GmbH BA_EN_DE90 115 ...

Страница 116: ...elefelder Str 37a D 32107 Bad Salzuflen Tel 49 5222 974 0 Fax 49 5222 7170 www fischermesstechnik de info fischermesstechnik de Technische Änderungen vorbehalten Subject to technical changes Sous réserve de modifications techniques ...

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