Summary of Contents for BEKA BA627E-SS
- Page 1 BA627E-SS General purpose 2-wire 4/20mA rugged manual set point station Issue: 2 Issue: 2 May 2017...
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Page 2: Table Of Contents
5.8 Maximum output rate of change 5.9 Function of ( push button in operating mode. 5.10 Encoder 5.11 One or two handed operation 5.12 Security code 5.13 Reset to factory defaults The BA627E-SS is CE marked to show compliance with the European EMC Directive 2004/108/EC... -
Page 3: Description
For example, in an application ables the current flowing in a 4/20mA loop to be where the BA627E-SS is being used to adjust the set manually adjusted via the front panel push buttons, or an optional external rotary control. The main ap- point of a speed controller, the internal indicator may be calibrated to display the required speed in RPM. -
Page 4: Controls - Two Handed
Controls - two handed The BA627E-SS Set Point Station is controlled and & While this button is pushed the Set Point configured via four front panel push buttons located Station will display the numerical value and analogue bargraph the Set Point Station below the display. -
Page 5: Displays
Displays While this button pushed The BA627E-SS Set Point Station has a 5 digit dis- BA627E-SS Set Point Station will display play plus a 31 segment bargraph. one of three alternatives depending upon how the instrument has been configured: The digital display may be calibrated using the CAL or... -
Page 6: Electrical System Design
4/20mA loop Location The BA627E-SS requires an operating voltage The BA627E-SS Set Point Station has a stainless between 6.1 and 30V. Design of the loop is similar steel case with a 10mm thick toughened glass win- to that for a 2-wire temperature or pressure transmit- dow. -
Page 7: Installation Procedure
Instrument earthing completed before the instrument is installed. The BA627E-SS Set Point Station has an M4 earth Cables should be mechanically secured to en- stud on the rear panel which should be electrically sure terminals are not damaged by vibration. -
Page 8: Scale Card
Station is ordered a blank card will be fitted. A pack of self-adhesive scale cards printed with common units of measurement is available as an ac- cessory from BEKA associates. Custom printed scale cards can also be supplied. To change a scale card, unclip the protruding end of the flexible strip by gently pushing it upwards and pulling it out of the enclosure. -
Page 9: Configuration And Calibration
CONFIGURATION AND CALIBRATION Summary of configuration functions Set Point Stations are configured and calibrated via This section summarises each of the configuration the four front panel push buttons. All the configura- functions and includes a cross reference to a more tion functions are contained in an easy to use intuit - detailed description. -
Page 10: Pre-Set Outputs
Display Summary of function Display Summary of function High & low current output limits Encoder H--L In addition to the Set Point Station Defines the lower ‘Lo’ and upper ‘Hi’ 4/20mA output being adjusted by the 4/20mA Set Point Station output current front panel push buttons, an external limits. - Page 12 Adjustment resolution: rE5n The bargraph is not displayed while using the CAL This function enables the adjustment resolution of function. the front panel & or * buttons and the optional al- ternative external rotary control to be defined. One Although calibration is normally performed at of three different resolutions may be selected 1, 10 4.000mA and 20.000mA, other currents may be or 100 least significant digits of the Set Point Station...
- Page 13 The bargraph is not displayed while using the 5Et when a BA627E-SS is used as the set point input for function a temperature controller. To obtain a reverse acting display i.e. the Set Point...
- Page 14 The maximum rate is adjustable between approximately 1 and 100 and is intended for use with the BA627E-SS. Other seconds for full scale output travel from 4 to 20mA. encoders that produce a different number of contact pulses per revolution may also be used.
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Page 15: Reset To Factory Defaults
5.13 Reset to factory defaults: r5Et This function quickly returns to the BA627E-SS Set Point Station to the factory default configurations shown in section 5. To reset the Set Point Station select r5Et from the configuration menu and press (. -
Page 16: Maintenance
STARTING MAINTENANCE during commissioning following procedure should be followed: If a BA627E-SS Set Point Station fails after it has been functioning correctly follow the procedure shown in section 6.1. If this does not reveal the Symptom Cause Solution cause of the fault, it is recommended that the Set... -
Page 17: Accessories
ACCESSORIES Scale card The BA627E-SS Set Point Station has a window on the right hand side of the display through which the scale card showing the units represented by the out - put current such as ºC or mBar can be seen. New... -
Page 18: External Encoder
External encoder applications requiring output BA627E-SS Set Point Station to be controlled ex- ternally, terminals 5, 6 and 7 enable a wide range of three wire quadrature encoders with switch contact outputs to be directly connected to the BA627E-SS. The Set Point Station’s output current can still be controlled by the &...
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