Logic - ABB REL650 Product Manual

Line distance protection REL650 ANSI
Product version: 1.3
IED. To overcome these conditions, weak-end infeed (WEI) echo
logic is used. The weak-end infeed echo is limited to 200 ms to
avoid channel lockup.

11. Logic

Tripping logic common 3-phase output SMPPTRC (94)
A function block for protection tripping is provided for each circuit
breaker involved in the tripping of the fault. It provides a settable
pulse prolongation to ensure a three-phase trip pulse of sufficient
length, as well as all functionality necessary for correct co-
operation with autoreclosing functions.
The trip function block also includes a settable latch functionality
for breaker lock-out.
Tripping logic phase segregated output SPTPTRC (94)
A function block for protection tripping is provided for each circuit
breaker involved in the tripping of the fault. It provides the settable
pulse prolongation to ensure an one- or three-phase trip pulse of
sufficient length, as well as all functionality necessary for correct
cooperation with autoreclosing and communication logic
functions.
The trip function block includes functionality for evolving faults
and a settable latch for breaker lock-out.
Trip matrix logic TMAGGIO
The 12 Trip matrix logic TMAGGIO function each with 32 inputs
are used to route trip signals and other logical output signals to
the tripping logics SMPPTRC and SPTPTRC or to different output
contacts on the IED.
TMAGGIO 3 output signals and the physical outputs allows the
user to adapt the signals to the physical tripping outputs
according to the specific application needs for settable pulse or
steady output.
Configurable logic blocks
A number of logic blocks and timers are available for the user to
adapt the configuration to the specific application needs.
• OR function block. Each block has 6 inputs and two outputs
where one is inverted.
• INVERTER function blocks that inverts the input signal.
• 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.
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• 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 Enabled 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.
• XORQT XOR function block. The function also propagates
timestamp and quality of input signals. Each block has two
outputs where one is inverted.
• TIMERSETQT function has pick-up and drop-out delayed
outputs related to the input signal. The timer has a settable time
delay. The function also propagates timestamp and quality of
input signal.
1MRK 506 337-BUS B
ABB