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

1MRS755225
7.2.
7.3.
Transformer Terminal
Technical Reference Manual, General
The display language combination (see table below) is identified by a three-digit
suffix in the software number printed on the front panel of the transformer terminal,
e.g. Software No: 1MRS110031-0__.
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 RET 541, RET 543 and RET 545 transformer 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 RET 541, RET 543 and RET 545

For the number of digital inputs and outputs of RET 54_ transformer terminals, refer
to section "Order number" above. The number of matching transformers and analog
inputs and outputs, and the auxiliary voltage range vary between the different
hardware versions of RET 54_. Moreover, RET 541 and RET 543 can be supplied
with an RTD/analog module. For more detailed information about the hardware of
RET 54_, refer to Section "Hardware versions" on page 11.

Software configuration

Each RET 54_ transformer terminal allows different software configurations based
on separate functions (refer to Section "Functions of the transformer terminal" on
page 25). 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.
RET 541 RET 543
15 25
2 2
0 2
5 9
2 2
5 5
1 1
RET 54_
RET 545
34
2
3
11
4
8
1
105