Thermo Scientific AutoPILOT PRO User Manual page 25

Hardware Description: Basic System
The Main Board
2-10 AutoPILOT PRO Flow Computer User Guide
The figure below shows typical pulse input wiring.
Figure 2–8. Typical pulse input wiring diagram
Each pulse input has a seven-position DIP configuration switch to select
the mode of operation. The function of each switch position in the ON
position is listed in the following table.
Table 2–6. Switch functions (when in the ON position)
Switch Position
1
2
3
4
5
6
7
Warning Do not change switch settings unless the area is known to be
non-hazardous.

Function
Conditioning amplifier input
Conditioning amplifier input bypass
5 Vdc pull-up (2.5 mA maximum)
5 Vdc pull-up (0.1 mA maximum)
Conditioning amplifier output
Conditioning amplifier output bypass
Debounce, 400 Hz maximum input filter
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