User Manual

Camera interfaces
FireWire Hardware Installation Guide V8.0.0
63
Guppy PRO input description
Guppy PRO input block diagram
The inputs can be connected directly up to max. +24 V. If you want to use volt-
ages from +24 V... +36 V you have to place an external resistor of 1.5 k (1/10
watt) in series with your voltage source.
Figure 29: Guppy PRO input block diagram
Caution

Guppy PRO
• Voltages above +24 V (without external resistor) may
damage the camera.
• Voltages above +36 V (with an external resistor of
1.5 kmay damage the camera.
Parameter Value
U
in
(low) 0 V ... 1.5 V
U
in
(high) 3 V ... 24 V
Current (constant current source
within the camera)
8 mA
Flux voltage of the LED (@ 10 mA) 1.5 V
Table 14: Guppy PRO input parameters
GPIn1
InGND
external internal
GPInX