User Manual

Camera interfaces
FireWire Hardware Installation Guide V8.0.0
71
Guppy input description
Guppy (housing) input block diagram
(For board level see Chapter Stingray board level camera: I/O pin assignment on
page 53)
The inputs can be connected directly to +5 V. If a higher voltage is used, an
external resistor must be placed in series.
Figure 35: Guppy (housing) input block diagram
Caution

Guppy
Voltages above +36 V may damage the camera.
Max. 50 mA per input.
Used input voltage External series resistor
5 V none
12 V 22 k
24 V 56 k
36 V 91 k
Table 16: Guppy: external resistors for voltages higher than 5 V
GPIn1
external internal
GND