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Summary of Contents for BEKA BA344D
- Page 1 BA344D Intrinsically safe Battery powered pulse input field mounting rate totaliser Issue 5 Issue: 5 April 2009...
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Page 2: Table Of Contents
ATEX dust certification 6.12 Clip-off 6.13 Local reset Appendix 2 6.14 Resetting grand total BA491 replacement battery 6.15 Security code The BA344D is CE marked to show compliance with the European Explosive Atmospheres Directive 94/9/EC and the European EMC Directive 2004/108/EC... -
Page 3: Description
1. DESCRIPTION The BA344D is an intrinsically safe, battery powered pulse input rate totaliser primarily intended for use with flowmeters. instrument simultaneously displays the rate of flow and the total flow in engineering units on two separate displays. The BA344D complies with the European... -
Page 4: Displays
The BA344D has two digital displays and associated annunciators, plus a flow indicator 3.1 ATEX certificate as shown on page 1. The BA344D has been issued with an EC-Type Examination Certificate by Notified Body ITS Rate Shows the flow rate on the Testing &... -
Page 5: Pulse Input Terminals
EC-Type Examination Providing the switch and the BA344D are both Certificate specifies that under fault conditions located in the same hazardous area, the switch the voltage, current and power at terminals 3 &... -
Page 6: Remote Reset Terminals
3.4 Remote reset terminals 3.5 Zones, gas groups and T rating The BA344D total display may be reset to zero The BA344D has been issued with an EC Type by connecting the reset terminals 7 and 8 Examination certificate confirming that together. -
Page 7: System Design For Hazardous Area
For a single BA344D it may be less expensive a certified intrinsically safe amplifier producing and complicated to use galvanic isolators when a high level pulse output. -
Page 8: Use With Galvanic Isolators
3 illustrates the basic circuit that is used when a BA344D is connected to a pulse source in the safe area and / or is reset in the safe area. -
Page 9: Installation
BA344D ON by moving the slide switch located above 5.1 Location terminals 3 and 4 to the right. See Figs 5 The BA344D rate totaliser is housed in a & 6. robust IP66 glass reinforced polyester (GRP) Note:... -
Page 10: Installing A Replacement Battery
‘A’ screws and turn 5.4 Installing a replacement battery the instrument OFF by moving the The internal battery will power the BA344D rate slide switch to the left. See Fig 5. totaliser for about five years; the exact time... -
Page 11: Disposal Of Used Batteries
5.5 Disposal of used batteries BEKA BA491 battery into The BEKA BA491 battery contains Lithium instrument. Ensure that the two pins Thionyl Chloride cells that should not be on the instrument printed circuit board included with standard industrial waste. Do not are correctly aligned with the socket on incinerate. -
Page 12: Programming And Calibration
Fig 8 Calibration structure recalibration. When the BA344D is fitted with optional alarms 6.2 Accessing programming functions the basic menu is expanded to include the Throughout this manual push-buttons are option. Section 9 of this manual explains how shown in italics e.g. -
Page 14: Summary Of Programmable Functions
All new BA344D rate totalisers are supplied Display Description of function calibrated as requested at the time of ordering. If calibration information is not supplied, the 'SCALE-r' Rate Scale Factor instrument will be conditioned for an open Defines the arithmetic relationship... -
Page 15: Display Update Interval
6.5 Type of input: ‘InPut’ displays to be interchanged. The rate display The BA344D may be programmed to accept will continue to have six digits but the total pulse inputs from a wide variety of sensors. -
Page 16: Lower Display
/ hour Select the required multiplier and press E to 6.7 Lower display: ‘dISPLAY.2’ return to the main menu. This function turns the lower display on or off. When turned off, the BA344D will only have eight digit display which 6.10 Rate filter: ‘FILtEr’... -
Page 17: Total Scale Factor
If the flowmeter has a K factor of 45.6 will be activated. The flow indicator will pulses per litre and the BA344D total display is continue to rotate as defined in section 2.2 required in units of 1,000 gallons, then... -
Page 18: Resetting Grand Total
6.14 Resetting grand total: ‘CLr. Gtot’ connecting ribbon cable should The grand total is a separate sixteen digit unplugged from the outer row of the five pin counter which duplicates the total display but is connector. The security code override link is not zeroed when the total display is reset to located on the inner row of the five pin zero. -
Page 19: Calibration Example
1 to 40 litres per minute. and open collector inputs. Ensure that the magnetic pick-off, which The BA344D is required to display rate of flow has a voltage output, is connected in litres per hour with a resolution of one litre to terminals 3 &... - Page 20 ‘On’ and press E to return to the There are 1000 litres in a cubic ‘LOCrSEt’ prompt in the main metre so the BA344D is required to menu. display 1 cubic metre for every 105 x 1,000 pulses received. ‘SCALE-t’...
- Page 21 Step 13 Return to the operating mode Following completion programming and calibration, return the BA344D to the operating mode pressing programming functions will now be stored in permanent memory and will be protected by the security...
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Page 22: Maintenance
8. MAINTENANCE If a BA344D fails after it has been functioning correctly, the following table may help. 8.1 Fault finding during commissioning BA344D fails function during Symptom Cause Check: commissioning the following procedure should No display Instrument has Position of slide... -
Page 23: Accessories
Terminals A1 and A3 should be connected to the positive side of The BA344D can also be supplied with a blank the supply. or custom engraved stainless steel plate secured by two screws to the side of the 5Ω... -
Page 24: Programming And Adjustment
See section 9.2.9 9.2.3 Programming and adjustment 'dELA' Alarm delay time When a BA344D is supplied with alarms the Adjusts the delay between the main programme menu is extended as shown display equalling the setpoint and in Fig 13. - Page 25 Fig 13 Alarm menu structure 9.2.4 Alarm enable: ‘EnbL’ 9.2.5 Type of alarm: ‘tYPE’ This function allows the alarm to be enabled Alarm 1 and Alarm 2 may both be rate or total or disabled without altering any of the alarm alarms, or one may be conditioned for rate and parameters.
- Page 26 00000000 99999999. e.g. A BA344D calibrated to display a flow of 0 to 5000, with a high alarm set at 4000 and To adjust the setpoint of alarm 1 select 'SPr1' hysteresis of 100 will perform as follows: or ‘SPt1’, depending upon how it has been...
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Page 27: Adjusting Alarm Setpoints From Display Mode
9.2.12 Access Setpoint: ‘AcSP’ has been programmed. If the setpoints are This function activates a separate menu that protected by a security code, 'COde' will be provides direct access to the alarm setpoints displayed first. Pressing P again will enable when the instrument is in the display mode. -
Page 28: External Push-Buttons
40 and 80mm. 9.5 Stem mounting kit The BA395 stem mounting kit comprises a short length of stainless steel conduit with a male M20 x 1.5 thread at both ends. Allows the BA344D to be mounted directly onto a flow transmitter. -
Page 29: Index
INDEX Subject Section Subject Section ‘AcSP’ 9.2.3; 9.2.12 ‘InPut’ Alarms optional Installation access 9.2.3; 9.2.12 Instrument identification output status 9.2.3; 9.2.8 Intrinsic safety 1.0; 3.0 delay time 9.2.3; 9.2.10 enable 9.2.3; 9.2.4 ‘LOC.rSEt’ 6.13 function 9.2.3; 9.2.7 Local reset 6.13 hysteresis 9.2.3;... -
Page 30: Atex Dust Certification
Non European A1.1 Zones and Maximum Surface information may also be shown. Temperature The BA344D has been ATEX certified as Group II, Category 1 GD apparatus Tamb = -20 to 50 C, with a Maximum Surface Temperature of 80 C. -
Page 31: Ba491 Replacement Battery
Because of this long shelf life and the very small current consumed by the BA344D rate totaliser replacement batteries should be conditioned before being installed. A2.1 Battery conditioning...
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