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National Instruments Corporation
15
NI 1483R User Guide and Specifications
Quadrature Encoder/RS-422 Inputs
Number of channels ...............................................2
Input type ...............................................................Differential or single-ended
Voltage range .........................................................0 to 5.5 VDC
Logic levels
Differential input threshold............................±0.2 V (maximum),
RS-422 compatible
Single-ended input threshold .........................TTL compatible
Input high voltage ..................................2.0 V
Input low voltage ...................................0.8 V
Maximum quadrature count rate............................5 MHz
Clocks
Pixel clock frequency range...................................20 MHz to 85 MHz
1
Note
The Camera Link specification requires cameras to transmit at a minimum of 20 MHz.
Serial Interface
Baud rates supported..............................................9.6, 19.2, 38.4, 57.6, 115.2, 230.4, 460.8,
or 921.6 kbps
Power Requirements
Voltage ...................................................................+3.3 V (300 mA)
+12 V (50 mA)
Physical Characteristics
Dimensions
Connectors to back of module .......................12.2 cm (4.8 in.)
Mounting screw to mounting screw...............12.8 cm (5.0 in.)
Width..............................................................2.0 cm (0.8 in.)
Weight ....................................................................293 g (10.3 oz)
Environment
The NI 1483 is intended for indoor use only.
Operating Environment
Operating temperature ...........................................0 °C to 55 °C,
Tested in accordance with IEC-60068-2-1
and IEC-60068-2-2
Relative humidity range .........................................10% to 90%, noncondensing,
Tested in accordance with IEC-60068-2-56
Altitude ..................................................................2,000 m at 25 °C ambient temperature
Pollution Degree ....................................................2
1
This value corresponds to the serialized Camera Link cable transmission rate of 140 to 595 MHz.
Содержание NI 1483
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