13.5.1 Application
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A set of standard logic blocks, like AND, OR etc, and timers are available for adapting
the IED configuration to the specific application needs. Additional logic blocks that,
beside the normal logical function, have the capability to propagate timestamp and
quality are also available. Those blocks have a designation including the letters QT,
like ANDQT
, ORQT etc.
13.5.2 Setting guidelines
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There are no settings for AND gates, OR gates, inverters or XOR gates as well as, for
ANDQT gates, ORQT gates or XORQT gates.
For normal On/Off delay and pulse timers the time delays and pulse lengths are set
from the local HMI or via the PST tool.
Both timers in the same logic block (the one delayed on pick-up and the one delayed
on drop-out) always have a common setting value.
For controllable gates, settable timers and SR flip-flops with memory, the setting
parameters are accessible via the local HMI or via the PST tool.
13.5.2.1 Configuration
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Logic is configured using the ACT configuration tool in PCM600.
Execution of functions as defined by the configurable logic blocks runs according to a
fixed sequence with different cycle times.
For each cycle time, the function block is given an serial execution number. This is
shown when using the ACT configuration tool with the designation of the function
block and the cycle time, see example below.
Section 13 1MRK 505 370-UUS A
Logic
410 Busbar protection REB670 2.2 ANSI
Application manual
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