ABB RELION 670 Series Technical Manual page 1007

1MRK 502 066-UUS B
tWarning
tAlarm
BLOCK
RESET
IN
IEC12000195 V3 EN-US
Figure 525: TEIGAPC Simplified logic
TEIGAPC main functionalities
• integration of the elapsed time when IN has been high
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• RESET: Reset of the integration value. Consequently all other outputs are also reset
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• BLOCK: Freeze the integration and block/reset the other outputs
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• Monitor and report the conditions of limit transgression
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The ACCTIME output represents the integrated time in seconds while
tWarning are the time limit parameters in seconds.
tAlarm and tWarning are user settable limits. They are also independent, that is, there is no check
tAlarm > tWarning .
if
tAlarm and tWarning are possible to be defined with a resolution of 10 ms, depending on the level
of the defined values for the parameters.
The limit for the overflow supervision is fixed at 999999.9 seconds. The outputs freeze if an
overflow occurs.
Technical manual
Time Integration
applicable to long time integration (≤999 999.9 seconds)
output ACCTIME presents integrated value in seconds
integrated value is retained in nonvolatile memory
any retained value with a warning/alarm/overflow is used as initiation value for the
integration following by a restart
unconditionally on the input IN value
reset the value of the nonvolatile memory to zero
unconditionally on the signal value
BLOCK request overrides RESET request
overflow if output ACCTIME >999999.9 seconds
tAlarm
alarm if ACCTIME >
tWarning
warning if ACCTIME >
Loop Delay
Transgression Supervision
Plus Retain
Loop Delay
IEC12000195-3-en.vsd
Section 15
OVERFLOW
WARNING
ALARM
ACCTIME
tOverflow , tAlarm and
Logic
1001