Hardware Versions Of Ref 541, Ref 543 And Ref 545; Software Configuration - ABB REF 54 Series Technical Reference Manual, General

REF 54_
7.2.
7.3.
104
Feeder Terminal
Technical Reference Manual, General
The display language combination (see the table below) is identified by a three-digit
suffix in the software number labeled on the front panel of the feeder terminal, for
example Software No: 1MRS110028-0__.
Suffix Language combination
001 English - German
002 English - Swedish
003 English - Finnish
007 English - Portuguese
008 English - Polish
009 English - Russian
010 English - Spanish
012 English - Czech
The REF 541, REF 543 and REF 545 feeder terminals differ from each other as to
the number of digital inputs and outputs as follows.
Number of inputs/outputs
Digital inputs
Trip circuit supervision inputs
Power outputs (NO single-pole)
Power outputs (NO double-pole)
Signal outputs (NO)
Signal outputs (NO/NC)
Self-supervision outputs

Hardware versions of REF 541, REF 543 and REF 545

For the number of digital inputs and outputs of REF 54_ feeder terminals, refer to
section "Order number" above. The number of matching transformers, sensor inputs
and analog inputs and outputs, and the auxiliary voltage range vary between the
different hardware versions of REF 54_. Moreover, REF 541 and REF 543 can be
supplied with an RTD/analog module. For more detailed information about the
hardware of REF 54_, refer to Section "Hardware versions" on page 13.

Software configuration

Each REF 54_ feeder terminal allows different software configurations based on
separate functions (refer to Section "Functions of the feeder terminal" on page 21).
Functions included in the selected functionality level (refer to Section "Ordering
Information" on page 103) can be activated within the scope of the I/O connections
and considering the total CPU load of the functions.
REF 541 REF 543
15 25
2 2
0 2
5 9
2 2
5 5
1 1
1MRS750527-MUM
REF 545
34
2
3
11
4
8
1