Technical Data - ABB RET 541 Product Manual

Technical data

Transformer Terminal
Table 1: General functions available for the RET 54_
Function Description
INDRESET Resetting of operation indicators, latched output signals, registers and
waveforms i.e. the disturbance recorder
MMIWAKE Activation of HMI backlight
SWGRP1 Switchgroup SWGRP1
SWGRP2 Switchgroup SWGRP2
SWGRP3 Switchgroup SWGRP3
......
SWGRP20 Switchgroup SWGRP20
Table 2: Standard functions available for the RET 54_
Function Description
ABS Absolute value
ACOS Principal arc cosine
ADD Extensible adder
AND Extensible AND connection
ASIN Principal arc sine
ATAN Principal arc tangent
BCD2INT Type conversion from BCD coded input to SINT (Tap changer)
BITGET Get one bit
BITSET Set one bit
BOOL_TO_* Type conversion from BOOL to WORD / USINT / UINT / UDINT / SINT / REAL
/ INT / DWORD / DINT / BYTE
BOOL2INT Type conversion from BOOL inputs to INT output
BYTE_TO_* Type conversion from BYTE to WORD / DWORD
COMH Hysteresis comparator
COS Cosine in radians
CTD Down-counter
CTUD Up-down counter
CTU Up-counter
DATE_TO_UDINT Type conversion from DATE to UDINT
DINT_TO_* Type conversion from DINT to SINT / REAL / INT
DIV Divider
DWORD_TO_* Type conversion from DWORD to WORD / BYTE
EQ Extensible comparison to equal
EXP Natural exponential
EXPT Exponentiation
F_TRIG Falling edge detector
GE Extensible comparison to greater or equal
GRAY2INT Type conversion from GRAY coded input to SINT (Tap changer)
GT Extensible comparison to greater
INT_TO_* Type conversion from INT to REAL / DINT
INT2BOOL Type conversion from INT input to BOOL outputs
LE Extensible comparison to less or equal
LIMIT Limitation
LN Natural logarithm
LOG Logarithm base 10
LT Extensible comparison to less
MAX Extensible maximum
MIN Extensible minimum
MOD Modulo
MOVE Move
RET 541, RET 543, RET 545
1MRS755543
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