Furness controls FCO432 Скачать руководство пользователя страница 34

Page 34 

 

FCO432 Users Guide Issue 1 

Specification 

 

Features

 

 

Models/Ranges 

Model 1: ±50Pa 
Model 2: ±150Pa 
Model 3: ±500Pa 

Model 4: ±2500Pa 
Model 5: ±10kPa 
Model 6: ±20kPa 

Model 7: ±30kPa  
Model 8: ±1bar 
Model 9: -1bar to +2bar 

Model 10: -1bar to +6bar 
Model 11: -1bar to +10bar 
 

Output Options 

2 wire 4-20mA (only available for models 1 to 7) 
4 wire isolated 4-20mA: (only available for models 1 to 7) 
4 wire isolated voltage: 0-1 VDC to 0-10VDC full scale 
4 wire isolated voltage: ±1 VDC to ±10 VDC full scale 

Display options 

Low power LCD  
High brightness blue OLED (Requires local 24VDC power) 

Keypad 

Optional: membrane keypad for easy field configuration 

Adjustable Damping 

0.0 to 60.0 seconds 

Measurement functions 

Linear, square-root, custom linearisation, various selectable engineering units  

Trip Level Relays 

Optional: 2 relays, rated 2A @ 55Vac, 30Vdc 

Zero Control 

Optional: Automatic or Remote 

Pneumatic Ports 

Barbs with locknuts for 6mm OD x 4mm ID for flexible tubing 
Options for 4mmOD x 3mm ID tube fittings, ⅛”BSPF or ¼”BSPF 

Communications 

Internal Micro-USB for instrument configuuration (free utility software) 
Optional external RS232, RS485 or USB port.  

 

 

Performance

 

 

Enhanced  
Accuracy @ 20

°

10% to 100% range: 
0 to 10% range: 

< ± (0.25% r1 digit) 
< ± (0.025% range +1 digit) 

 

Standard  
Accuracy @ 20

°

10% to 100% range: 

< ± (0.5% r1 digit) 

0 to 10% range: 

< ± (0.05% range +1 digit) 

Span Adjustment 

10% to 100% of range 

 

Note: Span can be set anywhere within instruments range..  

For 

span <20% of range, accuracy is reduced to the standard specification 

Long Term Drift 

Typically 0.2% per annum 

Temperature Coefficients 

Standard 
Zero: < 0.2%/°C 
Range: < 0.4%/°C 

Enhanced 
Zero: < 0.02%/°C 
Range: < 0.02%/°C 

Working Temperature 

-10 to 60°C 

Output Resolution 

0.3μA for output 4-20mA 
0.1mV for outputs 0-1V, ±1V, 0-2V, ±2V 
0.35mV for outputs 0-5V, ±5V, 0-10V, ±10V 

Overload 

20 x DP range 

Static Pressure 

±

1 bar Gauge 

Minimum Step Response 

100ms 

Output Update 

50ms 

 

 

Power supply 

Configuration 

Supply Voltage 

 

2-wire 4 to 20mA 
4-wire isolated (with relays and autozero) 

9 to 40Vdc, 22mA 
24Vdc ±10%, 100mA 

Construction

 

 

Enclosure 

IP54 rated ABS enclosure 

Dimensions 

W120mm x H85mm x D58mm 

Materials in Contact With 
Media 

Copper, brass, nickel, mica & PVC 

Media Compatibility 

Air and non-corrosive gases max 95% humidity non-condensing 

Weight 

0.5kg 

 

Содержание FCO432

Страница 1: ...factured by Furness Controls Limited Beeching Road Bexhill East Sussex TN39 3LG England Telephone 44 0 1424 819980 Email Sales furness controls com Web Site http www furness controls com FCO432 Differ...

Страница 2: ...Page 2 FCO432 Users Guide Issue 1...

Страница 3: ...ture 14 Menu Navigation 15 Troubleshooting 22 Error Messages 23 Calibration 24 Recalibration using Keypad 24 Recalibration using the FCS541 Utility 25 Calculations 26 Pitot Tube Calculations 26 Lamina...

Страница 4: ...Page 4 FCO432 Users Guide Issue 1 Revision Record Issue Date Summary of changes 1 26 11 18 First release...

Страница 5: ...fuse for safety 2 Always unplug the equipment from the supply before carrying out any servicing 3 The air supply must be turned off before carrying out any work on the pneumatic system 4 The air suppl...

Страница 6: ...Optional Configurations 2 Wire 4 to 20mA Current output 4 Wire Isolated 4 to 20mA Current output 4 Wire Isolated Voltage output 0 to 1V 0 to 2V 0 to 5V 0 to 10V 1V 2V 5V or 10V Remote Zeroing Function...

Страница 7: ...should not be mounted in areas where they will be subjected to high vibration as this could cause spurious readings The enclosure has four mounting holes for M4 screws accessible with the cover remov...

Страница 8: ...e Code A shielded straight field installable connector with screw terminals and a PG9 cable gland suitable for cable 4 to 8mmOD The instrument can be supplied as one of three configurations See the ra...

Страница 9: ...FCO432 Users Guide Issue 1 Page 9 5 Connector wiring Assembly Note Housing alignment tabs must be fitted into the plastic locating slots and not the electrical terminals...

Страница 10: ...FCO432 can incorporate a pair of relays for triggering auxiliary equipment such as alarms Note the relays are supplied from the 24V on the power connector Pin functions Relay states are shown for the...

Страница 11: ...thin specified limits and inspect for poor connections After fixing the instrument in position allow at least one hour before commencing the final commissioning With no pressure applied check the outp...

Страница 12: ...s download site 2 Double click the Setup exe file 3 In the first instance the setup program will determine whether your system files need to be updated 4 When the first stage has finished Setup will n...

Страница 13: ...ure is applied this value should be capable of showing between 5500000 and 5500000 Please make sure the transmitter has stabilised at 20 when doing these tests The Internal Temperature should show a v...

Страница 14: ...reen Pin Set Pin Filter Display Units CST Unit DP Low DP High DEC PNT DSP Low DSP High Relays RL1 FUNC RL1 ON RL1 OFF RL1 DLY DISP RL1 RL2 FUNC RL2 ON RL2 OFF RL2 DLY DISP RL2 AZ Delay Z Lock Purge Te...

Страница 15: ...he data in memory and return to the main menu If no button is pressed for 20 seconds the display will revert back to the main menu and back to the normal display another 20 seconds after that To retur...

Страница 16: ...r 4 20mA The display limits should be set using the Custom Units DP Low DP High Decimal Point Display Low and Display High menus ROOT Activates the root function Both the display and output will be af...

Страница 17: ...next digit press the button to enter the number If a number is entered by mistake exit the menu and try again do not return to the display DP LOW Differential Pressure Low Output Purpose Alters the d...

Страница 18: ...age displayed for Non Failsafe Operation Note xx 1 for Relay 1 only 2 for Relay 2 only 12 for Relays 1 and 2 Relay Trigger Level Rules Relay state changes are suspended when in the menus or setting pa...

Страница 19: ...ss than the relay reset level the relay state will change to off for any signal between the reset and set level The relay will be on for signals above the reset level or below the set level This provi...

Страница 20: ...nnections to allow the master device some additional time to disable its transmitter and prepare for the reply Options 0 to 50 ms FLASH Flash Update Mode Purpose Puts the unit into its Flash Updating...

Страница 21: ...ory defined Unit ID number This is the number that identifies the internal transducer and main board circuitry as a matched unit Output Levels If a pressure is applied to the transmitter that is outsi...

Страница 22: ...lay reads This indicates that a differential pressure is being measured that is greater than the instruments current scaling Unable to change menu settings quickly Pressing either and on the keypad wi...

Страница 23: ...lure The auto zero valve sensor detected a fault Check the 24V supply is connected Error 5 EEPROM extended calibration data error Extended calibration data stored in the EEPROM may have become corrupt...

Страница 24: ...k the minimum and maximum signal output levels by Using the or buttons to select TEST to enter menu press Select MIN for the minimum output Select MAX for the maximum output NOTE Pressing the button b...

Страница 25: ...it count These settings can be adjusted against values measured using calibration equipment Amended settings can be downloaded to the connected transmitter by clicking on the Write to Tx button The Ou...

Страница 26: ...gas at std conditions air 1 Volumetric flow Once the velocity of a gas at a point in a pipe is known the volume flow rate can be calculated To calculate volumetric flow rate the pressure temperature...

Страница 27: ...he area and do not make the corrections for pressure and temperature Mass Flow To calculate the mass flow the volume flow at standard conditions must be known as well as the relative density of the ga...

Страница 28: ...ent in pascals std P Standard pressure in pascals normally 101325 pascals std T Standard temperature in kelvin 273 14 temperature in C lfe T Temperature of gas in laminar flow element in kelvin 273 14...

Страница 29: ...ed which has a maximum differential pressure range of 25mb The desired scaling is 1 to 16mb 4 to 20mA As the FCO432 has differential pressure ports the suction can be applied to the ve pressure port T...

Страница 30: ...e is 30 C The FCO432 is used with the FCO96 20L LFE Laminar Flow Element The LFE is calibrated to give a Differential Pressure of 104Pa for 20 l min of air at standard conditions Using the LFE calcula...

Страница 31: ...lculation the velocity for maximum flow is determined std std std T T P P A Q V 14 293 14 296 103500 101325 4 1 8 V V 5 651 m s Using the Pitot Tube velocity calculation the P for maximum velocity is...

Страница 32: ...tor as standard DIN Electrical Connection The diagrams below show typical wiring configurations Pin 4 to 20mA Output 1 ve 2 ve 3 nc 4 nc See rating label for power supply requirements and configuratio...

Страница 33: ...sure that the external zero signal is detected If the instrument is fitted with the automatic zero valve when the Zero is triggered the display and output are frozen for 1 5 seconds while the pneumati...

Страница 34: ...al Micro USB for instrument configuuration free utility software Optional external RS232 RS485 or USB port Performance Enhanced Accuracy 20 C 10 to 100 range 0 to 10 range 0 25 reading 1 digit 0 025 r...

Страница 35: ...FCO432 Users Guide Issue 1 Page 35 Dimension Drawings Basic Instrument Pipe Mounting Kit...

Страница 36: ...Page 36 FCO432 Users Guide Issue 1 Wall Mounting Kit...

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