Dalsa Xtium2-CXP PX8 Quad, User Manual, Page: 118 / 130

116
•
Technical Specifications Xtium2-CXP PX8 User's Manual
Note 3.2: Interfacing to a Line Driver (also called Open Emitter)
Output
RS-422 / TTL (+) input
RS-422 (-) input
FG/system GND
DC
Bias Voltage
Vcc/2
GND
Frame Grabber System
Interfacing Line Driver/Open Emitter Output to RS-422 Inputs
Generic Line Driver/Open Emitter
Output
Vcc
Pull-down resistor needed if it is not
already present in the Shaft Encoder.
Value depends on the characteristics
of the Shaft Encoder hutput
100 ohm
Figure 50: Interfacing to a Line Driver Output
•
NOTE: User must select the Shaft Encoder RS-422 level when using this mode
(
CORACQ_PRM_SHAFT_ENCODER_LEVEL = CORACQ_VAL_LEVEL_422 (0x2)
).
Note 3.3: Interfacing to an Open Collector Output
RS-422 / TTL (+) input
RS-422 (-) input
FG/system GND
DC
Bias Voltage
Vcc/2
GND
Frame Grabber System
Interfacing Open Collector Output to RS-422 Inputs
Generic Open Collector Output
Vcc
Vcc
Pull-up resistor needed if it is not
already present in the Shaft Encoder.
Value depends on the characteristics
of the Shaft Encoder Output.
100 ohm
Figure 51: Interfacing to an Open Collector Output
• NOTE: User must select the Shaft Encoder RS-422 level when using this mode
(
CORACQ_PRM_SHAFT_ENCODER_LEVEL = CORACQ_VAL_LEVEL_422 (0x2)
).