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Page 4

FCO432 Users Guide Issue 1

Revision Record

Issue

Date

Summary of changes

1

26-11-18

First release

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Summary of Contents for FCO432

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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