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AP05:4b Analogue settings and digital display
Valid for version 3 of circuit board AP05
Analogue settings and digital display, version 3 of circuit board AP05
All analogue signals from AP05 to the processor board AP04 are related to a
regulated 5V supply from AP04 (
UREF_POT +5V). This voltage has an accuracy
of ±1%. All boards, including spare parts, are adjusted at the factory.
The potentiometers on the front panel are described in the instr uctions on page
72, which also shows their locations.
TRIM POTENTIOMETERS
R10 TIG hotstart current, adjustable between 50 and 200A.
On delivery, the hot start current has been set to 100A.
The hotstart for MMA is set by the processor board, see page 30.
R12 Gas preflow time, adjustable between 0 and 5 seconds.
On delivery, the preflow time has been set to 10ms.
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