6
Operational-Modes
SF910i uses three modes of operation. In each mode, the SF910i operates to provide
the optimal user interface.
Operational-Modes are:
–
First-time power-up mode
–
Normal-Mode (Live data view)
–
Configuration-Mode (Programming)
Except for the first-time power-up, the modes of operation are not mutually exclusive.
For instance, when configuring, the SF910i maintaining its operability belonging to the
normal mode (i.e., it continues to detect the flame, if it was in normal mode before entering
the configuring mode). In other words, the SF910i is “online configurable”.
6.1
First-time Power-up Mode
When the SF910i is factory new or when the user make a complete reset of the
configuration to factory defaults or when the configuration stored in non-volatile memory
is not recognized as a valid one, it operates in a mode called “First-time power-up”.
The most important feature of this mode is to prevent flame-relay from energizing
until authorized user performs a configuration/tuning.
In this mode:
–
Flame-relay is not energized (even if the flame algorithm votes for flame-ON).
–
Flame LED is blinking red (slow).
A distinction must be done at protocol level:
–
Factory default and manual reset of the configuration, both bring the unit in MODBUS
mode speed of 38.400 b/s, and station address equal to one.
–
Reset to default configuration driven by the detection of a configuration error
maintains the protocol that was active before the configuration error was.
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6 Operational-Modes
6.1 First-time Power-up Mode
Summary of Contents for Uvisor SF910i
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