Siemens SIPROTEC 4 7SD80 Manual page 290

Technical Data
4.17 User-defined Functions (CFC)
OR OR - Gate
REAL_TO_DINT Real after DoubleInt, adapter
REAL_TO_UINT Real after U-Int, adapter
RISE_DETECT Rising edge detector
RS_FF RS- Flipflop
RS_FF_MEMO Status memory for restart
SI_GET_STATUS Information status single point indi-
cation, decoder
SI_SET_STATUS Single point indication with status,
encoder
SQUARE_ROOT Root Extractor
SR_FF SR- Flipflop
SR_FF_MEMO Status memory for restart
ST_AND AND gate with status
ST_NOT Negator with status
ST_OR OR gate with status
SUB Substraction
TIMER Timer
TIMER_SHORT Simple timer
UINT_TO_REAL U-Int to real, adapter
UPPER_SETPOINT Upper Limit
X_OR XOR - Gate
ZERO_POINT Zero Supression
General Limits
Description
Maximum number of all CFC charts considering all
task levels
Maximum number of all CFC charts considering one
task level
Maximum number of all CFC inputs considering all
charts
Maximum number of inputs of one chart for each task
level (number of unequal information items of the left
border per task level)
Maximum number of reset-resistant flipflops
D_FF_MEMO, RS_FF_MEMO, SR_FF_MEMO
Device-specific Limits
Description
Maximum number of simultaneous changes of the
chart inputs per task level
Maximum number of chart outputs per task level
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Limit Comments
32 When the limit is exceeded, an error message is
output by the device. Consequently, the device starts
monitoring. The red ERROR-LED lights up.
16 Only Error Message
(evolving fault in processing procedure)
400 When the limit is exceeded, an error message is
output by the device. Consequently, the device starts
monitoring. The red ERROR-LED lights up.
400 Only fault annunciation; here the number of elements
of the left border per task level is counted. Since the
same information is indicated at the border several
times, only unequal information is to be counted.
350 When the limit is exceeded, a fault indication is
output by the device. Consequently, the device is put
into monitoring mode. The red ERROR-LED lights up.
Limit Comments
50 When the limit is exceeded, an error message is output
by the device. Consequently, the device is put into
monitoring mode. The red ERROR-LED lights up.
150
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SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
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