8 kHz Galvo-Resonant Scanner and Controller
Chapter 8: NI PCIe 6321 Card Schematic
Page 28
TTN118194-D02
Chapter 8 NI PCIe 6321 Card Schematic
Figure 31 NI PCIe 6321 Pinout
Pin
Signal Name
Description
Characteristics
21
Galvo Position IN
Position In Signal
100 k
Ω Input
Impedance
33
Current
Current Monitor
1 k
Ω Output
Impedance
63
Galvo Position OUT
Position Out Signal
1 k
Ω Output
Impedance
65
Error
Difference Between
Command Input
and Position
Output
1 k
Ω Output
Impedance
66
Galvo Velocity
Voltage Signal is
Proportional to the
Velocity of the
Scanner
1 k
Ω Output
Impedance
