ABB REF 54 Series Technical Reference Manual page 92

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Technical Reference Manual, General
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• Additional scaling factor for setting the displacement error of current and voltage
sensors. For further information refer to section "Technical data of the measuring
devices" on page 33.
• Number of sensor types increased from 3 to 10 (each sensor channel can be set
separately)
• New measuring device and signal GE1...3 to be used with the MEAI1...8 function
blocks. For further information refer to the CD-ROM "Technical Descriptions of
Functions" (1MRS750889-MCD).
• Amount of measuring signal types for current and voltage increased
• IL1b, IL2b, IL3b; can be connected to the MECU3B function block
• U12b, U23b, U31b, U1b, U2b, U3b; can be connected to the MEVO3B
function block
• Uob; can be connected to the MEVO1B function block
• Improved storing, shorter storing time
• New language versions:
• English - Swedish
• English - Finnish
• An informative parameter, "Config. capacity", added (Main menu/
Configuration/General/Config. capacity). For further
information refer to the Configuration Guideline (1MRS 750745-MUM).
• Menu descriptions of virtual I/Os changed to match the names in tools
• 48-hour capacitor back-up for the internal clock of the feeder terminal
• Selection of latching feature for the Start LED can be stored in the non-volatile
memory
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• Function block revision added (uploading of the function block list to CAP 505)
• Measurement function blocks: outputs indicating the status of warning and alarm
limits added
• Under- and overvoltage protection function blocks UV3_ and OV3_:
• phase-selective start outputs added
• control setting parameter "Oper. hysteresis" added for adjusting the level of a
comparator (for more information, refer to the CD-ROM "Technical
Descriptions of Functions")
• EVENT230 function block: input interface changed
• Changes to input names in the following function blocks: UV3Low, UV3High,
OV3Low, OV3High, MEVO3A, CMVO3
1MRS750527-MUM