ProFire PF3100 Product Manual page 152

16.10.2.4 ION AUX INPUT
The Ion Aux Input is located on the Ion Pilot card and can be used for either (1) thermocouple flame detection (with
a thermocouple to 4-20mA converter) or (2) to connect a generic 4-20mA transmitter for high trip shutdown. The
Ion Aux In Type setting must be enabled in the Pilot Wizard for the following settings to take effect.
Setting
Ion Aux In Mode
Ion Aux In Trip Point
Ion Aux In Deadband
16.10.2.5 PROOF OF CLOSURE
Setting
Proof of Closure
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Default Options
TC Flame Detect
High Trip Alarm
High Trip Alarm
14 mA 4 mA - 20 mA
62.5 % 0 % - 100 %
6 mA 4 mA - 20 mA
12.5 % 0 % - 100 %
Default Options
Enabled
Disabled
Disabled
PF3100 Product Manual
Description
The Ion Aux input is used as a 4-20mA
flame detection input and the trial for
ignition time is increased from 10 to
120 seconds.
The Ion Aux input is connected to
digital input device or a 4-20mA
transmitter for shut down upon a high
trip event.
Specifies the Ion Aux input reading
above which the system shuts down.
Specifies the deadband applied to
prevent fluctuation between states.
Description
The POC input is connected to a proof
of closure switch on the main valves.
The proof of closure input is ignored.
DOC-001149 v8.0
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