Environnement AF22e, Technical Manual, Page: 115 / 118

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AF22e
Environnement
S.A
JUNE 2016
5–17
Table 5–7 – PM preamplifier board
test points, LEDs description, connections and adjustments
Jumpers Connections
J1 Measurement board link
Potentiometer* Nature of adjustment
P1 PM signal amplification (high gain)
P2 PM signal offset (high gain)
P4 PM signal amplification (low gain)
P5 PM signal offset (low gain)
Test points Signal
PT1 GND
PT2 PM signal (high gain)
PT6 PM signal (low gain)
LED N° Identification Color Turned
on
Turned off Blinking
LED1 5 V supply Red Active N.A. N.A.
* Turn clock wise to increase the gain. Turn counter-clock wise to decrease the gain.
Figure 5–6 – PM preamplifier board diagram