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8.18.3
Function block
GUID-ED2DB148-EDA2-4DC4-9884-0990CD89F229 v2
GRPTTR (49R)
I3P*
BLOCK
BLOCK37
SETLKOUT
RSTLKOUT
TRIP
37 TRIP
PICKUP
37 PICKUP
LOCKOUT
79M BLOCK
ALRIPPLE
IMEAS
ANSI14000050-1-en.vsd
ANSI12000028 V2 EN-US
Figure 315: GRPTTR (49R) function block
8.18.4
Signals
PID-3718-INPUTSIGNALS v5
Table 326: GRPTTR (49R) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Current Group Connection
BLOCK
BOOLEAN
0
Block of function
BLOCK37
BOOLEAN
0
Block under-current protection feature
SETLKOUT
BOOLEAN
0
Input for forcing the output LOCKOUT
RSTLKOUT
BOOLEAN
0
Reset of the output LOCKOUT and theta to 0%
PID-3718-OUTPUTSIGNALS v5
Table 327: GRPTTR (49R) Output signals
Name
Type
Description
TRIP
BOOLEAN
General trip signal from the function
37 TRIP
BOOLEAN
Trip signal from under-current feature
PICKUP
BOOLEAN
General pickup signal from the function
37 PICKUP
BOOLEAN
Pickup from under-current feature
LOCKOUT
BOOLEAN
Trip lockout output (latched)
79M BLOCK
BOOLEAN
Block machine closing command
ALRIPPLE
BOOLEAN
Ripple alarm, is set (with delay-on 20ms) if instRippleAlarm is
active longer than tAlarmRipple
IMEAS
REAL
Measured current, used for calculation of operate time
1MRK 502 066-UUS B
Section 8
Current protection
587
Technical manual
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