5.3.7 Keys 5.3.8 Code 5.3.9 Unit Info 5.3.10 Defaults 5.3.10.1 Display Defaults 5.3.10.2 Interface Board Defaults. 5.3.10.3 FF Revisions 1 and 2 5.4 Quick Access Menu The BA684DF is CE marked to show compliance with the European EMC Directive 2004/108/EC...
Housed in a robust IP66 glass reinforced polyester (GRP) enclosure with a toughened glass window, the BA684DF is surface mounting, or may be pipe mounted using one of the accessory kits.
When a custom display format, which requires programming is used, the number How much of the BA684DF configuration can be of fieldbus variables displayed may be defined. performed via the fieldbus depends upon the instrument version system host.
3. SYSTEM DESIGN 3.2 Alarm outputs The BA684DF may be connected to any fieldbus The BA684DF can be supplied with six alarm segment as shown in Fig 2, providing it can outputs that may be linked to any of the displayed provide the additional 25mA required to operate variables.
4. INSTALLATION 4.1 Location The BA684DF Fieldbus Display is housed in a robust IP66 glass reinforced polyester (GRP) enclosure incorporating an armoured glass window and stainless steel fittings. It is suitable for exterior mounting most industrial environments, including off-shore and waste water treatment installations.
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Fig 5 Dimensions and terminal connections...
Fig 6. Two variables + horizontal bargraphs 5.3.1 Screens (Display format) The BA684DF can display up to eight fieldbus variables that are identified as IN_1 to IN_8. The fieldbus variable that each one represents is determined by the BA684DF configuration at the...
Display’ is selected in the Screens menu – see 5.3.5 Alarms 5.3.1. Alarm menus are only included when the BA684DF is fitted with optional alarm outputs. The total number of display digits available depends upon the display screen selected – see Each of the six alarms may be linked to any one of 5.3.1...
BA684DF front panel push buttons. The table input source. Enter the selection by pressing the E below shows the function of the BA684DF front button. panel and the external push buttons for each of the four options that may be selected in the Keys sub- Each alarm output can be N/O or N/C in the non- menu.
F Fieldbus Foundation Displays will be supplied as Revision 2 instruments. i.e. two input selector function blocks (2 x IS). The BA684DF-F can be converted to a Revision 1 instrument using the Default menu. i.e one multiple analogue output function block x MAO).
STARTING MAINTENANCE Fieldbus Display Programming Guide, which may be downloaded from the BEKA web site at If a BA684DF fails after it has been functioning www.beka.co.uk, explains how to construct custom correctly, the table shown in section 7.1 may help screens and includes examples.
8. ACCESSORIES 8.1 Tag plate The BA684DF can be supplied with a blank or custom engraved stainless steel plate secured by two screws to the side of the instrument enclosure. This plate can accommodate: 1 row of 9 alphanumeric characters 10mm high...
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