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0006160278_201804
TIME INTERVALS AND SETTINGS
Reference
Times in seconds (sec)
PME71.901
Tw
TSA
Max
t1 T225
4) min
t3 P226
min
t3n
P257
ac
t4 P230
min
t8 P234
5) min
t10
P224
ac
t11 ac t12 ac
1)
2)
3)
td1
P243 t2
P245
min
td3
P244
td4
P242
max
Requirements
2,5
3
20
3
2,5
15
4
15
60
60
-
-
-
10
3
Factory
settings
-
t3n+0.45 19,404+2,1 3,087 2,205+0,3 15,582 4,851 13,818 58,212 58,212
-
-
-
10,29
2,646
Max
2,5
14
1237+2,1 37,485 13,23+0,3 74,97
1237 13,818
-
-
1
0,45
0,45
37,485 2,646
Min
-
-
0+2,1
1,029
0+0,3
3,234
0
0
-
-
0,3
0,3
-
1,029
0
Increase
-
-
4,851
0,147
0,147
0,294
4,851
0,294
-
-
-
-
-
0,147
0,147
LEGEND
Tw
Waiting time
TSA Safety interval
t1
Preventilation time
t3
Pre-ignition time
t3n
Post-ventilation time parameter 257 + 0.3 seconds
t4
Interval: end of safety time - load controller activation
t8
Post-ventilation time
t10
Signal air pressure switch specified time (time-out)
t11
SQM4 opening time (time-out)
t12
SQM4 closing time (time-out)
td1
Atmospheric pressure test
td2
Gas pressure test
td3
Fill the test section
td4
Empty the test section
1)
Reaction time to signal changes in the air pressure switch contact (air pressure switch opening) and response time in case of
flame failure
2)
Reaction time to signal changes in inputs (e.g. pressure switch-min)
3)
Flame detection time
4)
Minimum time td1 + td2 + td3 + td4 if: parameter 241.00:1 (ON), with voltage ON, in case of lockout, parameter 234 (post-
ventilation time) = 0 (post-ventilation) or parameter 241.01:0
5)
Minimum time td1 + td2 + td3 + td4 if: parameter 241.00:1 (ON) and parameter 234 (post-ventilation time) > 0 (post-ventilation)
and parameter 241.01:1
