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Technical Reference Manual, General
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The Relay Configuration Tool is based on the IEC 61131-3 standard. The standard
defines the programming language used for configuration. The programmable
system of REF 54_ feeder terminals allows the output contacts to be operated in
accordance with the state of the logic inputs and the outputs of the protection,
control, measurement and condition monitoring functions. The PLC functions (e.g.
interlocking and alarm logic) are programmed with Boolean functions, timers,
counters, comparators and flip-flops. The program is written in a function block
diagram language by using the configuration software.
MOVE Move
MUL Extensible multiplier
MUX Extensible multiplexer
NE Comparison to greater or less
NOT Complement
OR Extensible OR connection
R_TRIG Rising edge detector
REAL_TO_* Type conversion from REAL to USINT / UINT / UDINT / SINT / INT /
DINT
ROL Rotate to left
ROR Rotate to right
RS Reset dominant bistable function block
RS_D Reset dominant bistable function block with data input
SEL Binary selection
SHL Bit-shift to left
SHR Bit-shift to right
SIN Sine in radians
SINT_TO_* Type conversion from SINT to REAL / INT / DINT
SUB Subtractor
SQRT Square root
SR Set dominant bistable function block
XOR Extensible exclusive OR connection
TAN Tangent in radians
TIME_TO_* Type conversion from TIME to UDINT / TOD / REAL
TOD_TO_* Type conversion from TOD to UDINT / TIME / REAL
TOF Off-delay timer
TON On-delay timer
TP Pulse
TRUNC_* Truncation toward zero
UDINT_TO_* Type conversion from UDINT to USINT / UINT / REAL
UINT_TO_* Type conversion from UINT to USINT / UDINT / REAL / BOOL
USINT_TO_* Type conversion from USINT to UINT / UDINT / REAL
WORD_TO_* Type conversion from WORD to DWORD / BYTE
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