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AXB-F117 Stealth 1 Camera Controller
Introduction
3
Application
Figure 2 shows a sample camera control application using the AXB-F117.
PS6.3
Power supply
PS6.3
Power supply
AXlink
AXP-CCS
AXB-EM232
Stealth 1
Stealth 1
PC or other
RS-232
Controller
Application #2 – RS-232
Application #1 - AXlink
PS2.8
Power supply
Servomotor Mode
Servomotor mode is used when the lens requires a low control voltage to a
servomechanism, which in turn supplies drive voltages to the lens motor. This
method is generally used in broadcast- or teleconference-style lenses. The voltage
range used for servomotor style lenses is +2.5 to +7.5 VDC. These lenses can be
controlled in two different modes:
positional mode
and
speed mode
.
Positional mode
The most common servomotor mode is
positional mode
. In this mode, the lens moves
when the voltage changes and remains at that position until the voltage changes
again. For example, if a lens receives a voltage of +3 VDC, the lens moves to the
Figure 2
Sample AXB-F117 camera
control application