7.14.4
Function block
GUID-9F81E8FA-B3AC-4479-B946-0097C0B5DCA4 v1
ANSI10000298-1-en.vsd
STTIPHIZ (64S)
USV*
USI*
BLOCK
ZREFSEL
TRIP
BFI
ALARM
OPCIRC
ERROR
ERRSTAT
RAVE
XAVE
FREQV
RFAULT
ZREF
ZREFRE
ZREFIM
VRMSSTAT
ANSI10000298 V1 EN-US
Figure 221: STTIPHIZ (64S) function block
7.14.5
Signals
PID-6804-INPUTSIGNALS v2
Table 189: STTIPHIZ (64S) Input signals
Name
Type
Default
Description
USV
GROUP
SIGNAL
-
Injected voltage signal
USI
GROUP
SIGNAL
-
Injected current signal (voltage over shunt)
BLOCK
BOOLEAN
0
Block of function
ZREFSEL
INTEGER
1
Reference impedance selection
PID-6804-OUTPUTSIGNALS v2
Table 190: STTIPHIZ (64S) Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip
BFI
BOOLEAN
Initiate
ALARM
BOOLEAN
Alarm
OPCIRC
BOOLEAN
Injection circuit open
ERROR
BOOLEAN
Error
ERRSTAT
INTEGER
Error indication
RAVE
REAL
Measured resistance to earth in Ohm at inj freq
XAVE
REAL
Measured reactance to earth in Ohm at inj freq
FREQV
REAL
Measured frequency of injected voltage into stator
RFAULT
REAL
Estimated fault resistance in Ohm
ZREF
INTEGER
Selected reference impedance number
Table continues on next page
Section 7
1MRK 502 066-UUS B
Impedance protection
412
Technical manual
Содержание Relion 670 series
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