Siemens LMS14 User Manual page 532

Max StartAttemps oper
MaxStartAttempt opt 1
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Line no. Operating line
[3632.1]
Max StartAttemps oper
Maximum number of start attempts in the event of loss of flame during operation.
Setting 25 means an infinite number of repetitions, and the counter has no impact.
The set value indicates the total number of start attempts.
Example:
=
RepCounter flame 1 (maximum number of start attempts upon loss of flame during
operation = 1):
After the first loss of flame during operation, the burner control goes to lockout.
If a new start attempt shall be made (no repetition), the value must be set to 2.
=
RepCounter flame 2 (maximum number of start attempts upon loss of flame during
operation = 2):
After the second loss of flame during operation, the burner control goes to lockout.
Line no. Operating line
[6086.1]
MaxStartAttempt opt 1
Inactive
Active
The function of the repetition counters Flame establishment and Loss of flame (Max
StartAttemps TSA [3633.1] and Max StartAttemps oper [3632.1]) depends on
MaxStartAttempt opt 1 [6086.1].
Inactive
As described under Max StartAttemps TSA [3633.1] and Max StartAttemps oper
[3632.1].
Active
Repetition counter Loss of flame (Max StartAttemps oper [3632.1]) remains inactive.
When using this setting, errors Loss of flame during operation and No flame during
safety time are handled by the repetition counter of Max StartAttemps TSA [3633.1],
which means that if one of these errors occurs, the number of remaining start attempts
are reduced – starting from the maximum number Max StartAttemps TSA [3633.1].
Examples of MaxStartAttempt opt 1 [6086.1] = Active
Max StartAttemps TSA [3633.1] = 1:
Branching out to lockout position if, during the first start attempt, no flame was
established when the safety time had elapsed, or in the event o floss of flame during
operation. If another start attempt shall be allowed, Max StartAttemps TSA [3633.1]
must be set to 2.
Max StartAttemps TSA [3633.1] = 2:
Branching out to lockout position if, after the second start attempt, no flame was
established before the safety time had elapsed or, when, after the first start attempt
upon loss of flame during operation, no flame was established by the time the safety
time had elapsed.
Max StartAttemps TSA [3633.1] = 3:
Branching out to lockout position if, after the third start attempt, no flame was
established before the safety time had elapsed or, when, after the second start attempt
upon loss of flame during operation, no flame was established by the time the safety
time had elapsed.
User Manual LMS14...
6 The settings in detail
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28.01.2015