Timer Function Block (Tm); Setting Parameters; Timer Long Function Block (Tl) - ABB REL 551-C1*2.5 Technical Reference Manual

Protect line differential protection terminal
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6.5
6.5.1
6.6
46
Configurable logic blocks (CL1)
Table 39:
Output signals for the AND (Annn-) function block
Signal
OUT
NOUT

Timer function block (TM)

The function block TM timer has drop-out and pick-up delayed outputs related to the input sig-
nal. The timer has a settable time delay (parameter T).
TM01-
TIMER
INPUT
OFF
T
ON
xx00000161.vsd
Table 40:
Input signals for the TIMER (TMnn-) function block
Signal
INPUT
T
Path in local HMI: ServiceReport/Functions/Timer
Table 41:
Output signals for the TIMER (TMnn-) function block
Signal
OFF
ON

Setting parameters

Table 42:
Setting parameters for the Timer (TMnn-) function
Parameter
Range
T
0.000-60.000
Step: 0.010

Timer long function block (TL)

The function block TL timer with extended maximum time delay at pick-up and at drop-out, is
identical with the TM timer. The difference is the longer time delay.
Description
Output from AND gate
Inverted output from AND gate
Description
Input to timer
Time value. See setting parameters
Description
Output from timer, drop-out delayed
Output from timer , pick-up delayed
Default
Unit
Description
0.000
s
Delay for timer nn. Can only be set from
CAP configuration tool.
Chapter 3
Common functions

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