•
PULSETIMER
function block can be used, for example, for pulse extensions or
limiting of operation of outputs, settable pulse time.
•
GATE
function block is used for whether or not a signal should be able to pass
from the input to the output.
•
XOR
function block. Each block has two outputs where one is inverted.
•
LOOPDELAY
function block used to delay the output signal one execution
cycle.
•
TIMERSET
function has pick-up and drop-out delayed outputs related to the
input signal. The timer has a settable time delay and must be On for the input
signal to activate the output with the appropriate time delay.
•
AND
function block. Each block has four inputs and two outputs where one is
inverted
•
SRMEMORY
function block is a flip-flop that can set or reset an output from
two inputs respectively. Each block has two outputs where one is inverted. The
memory setting controls if the block's output should reset or return to the state it
was, after a power interruption. The
SET
input has priority if both
SET
and
RESET
inputs are operated simultaneously.
•
RSMEMORY
function block is a flip-flop that can reset or set an output from
two inputs respectively. Each block has two outputs where one is inverted. The
memory setting controls if the block's output should reset or return to the state it
was, after a power interruption. The
RESET
input has priority if both
SET
and
RESET
are operated simultaneously.
Configurable logic Q/T
A number of logic blocks and timers, with the capability to propagate timestamp and
quality of the input signals, are available. The function blocks assist the user to adapt
the IEDs configuration to the specific application needs.
•
ORQT
OR function block that also propagates timestamp and quality of input
signals. Each block has six inputs and two outputs where one is inverted.
•
INVERTERQT
function block that inverts the input signal and propagates
timestamp and quality of input signal.
•
PULSETIMERQT
Pulse timer function block can be used, for example, for
pulse extensions or limiting of operation of outputs. The function also propagates
timestamp and quality of input signal.
Section 13
1MRK 502 048-UEN A
Logic
440
Technical manual
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