©
National Instruments Corporation
17
cRIO-FRC Operating Instructions and Specifications
Reconfigurable FPGA
FPGA type.............................................. Spartan-3 2000
Number of logic cells ............................. 46,080
Number of 18
×
18 multipliers .............. 40
Embedded block RAM........................... 720 kbits
Internal Real-Time Clock
Accuracy ................................................ 200 ppm; 35 ppm at 25 °C
Power Requirements
Recommended power supply
................. FIRST
Power Distribution Board
24 VDC supply
Power consumption with
I/O modules installed ............................. 20 W maximum
Power supply input range....................... 19 to 30 V
Physical Characteristics
If you need to clean the controller, wipe it with a dry towel.
Screw-terminal wiring............................ 0.5 to 2.5 mm
2
(24 to 12 AWG)
copper conductor wire with
10 mm (0.39 in.) of insulation
stripped from the end
Torque for screw terminals .................... 0.5 to 0.6 N · m
(4.4 to 5.3 lb · in.)
Weight .................................................... 929 g (32.7 oz)
Safety Voltages
Connect only voltages that are within these limits.
V terminal to C terminal ........................ 35 V max, Measurement
Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
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