Siemens Siprotec 7UM611, Руководство пользователя

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Preface
6
7UM61 Manual
C53000-G1176-C127-3
Besides these, graphical symbols are used according to IEC 60617-12 and IEC
60617-13 or symbols derived from these standards. Some of the most frequently used
are listed below:
■
External binary output signal with number (device indication)
used as input signal
Example of a parameter switch designated
FUNCTION with
the address 1234 and the possible settings ON and OFF
Input signal of an analog quantity
AND gate
OR gate
Exclusive–OR gate (antivalence): output is active, if only
one of the inputs is active
Equivalence: output is active, if both inputs are active or in-
active at the same time
Dynamic inputs (edge–triggered) above with positive, below
with negative edge
Formation of one analog output signal from a number of
analog input signals
Limit stage with setting address and parameter designator
(name)
Timer (pickup delay T, example adjustable) with setting
address and parameter designator (name)
Timer (dropout delay T, example non-adjustable)
Dynamic triggered pulse timer T (monoflop)
Static memory (RS-flipflop) with setting input (S), resetting
input (R), output (Q) and inverted output (Q)
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