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Appendix A
Specifications
©
National Instruments Corporation
A-7
SC-2345/2350 Carrier User Manual
SC-2350
Analog Input and Output
I/O connections ...................................... Eight, 20-pin connectors and
eight 2-channel TEDS screw
terminal blocks for analog-input
SCC modules;
two, 20-pin connectors for analog
output SCC modules
Typical maximum smart TEDS
sensor cable length ................................. 61 m (200 ft)
IEEE P1451.4 compliance ..................... Tier 2 (standard system
capability)
Note
Future releases of NI-DAQmx might contain support for TEDS analog ouput
devices.
Onboard Voltage Reference
Output voltage........................................ 5.000 V ±2.5 mV
Output voltage drift ................................ 5 ppm/°C max (at 0 to 70 °C)
Long-term stability................................. ±15 ppm/1,000 h
Output noise (0.1 to 10 Hz).................... 4
μ
V
p-p
Load regulation
Sourcing 0 <
I
OUT
< 10 mA............. 100
μ
V/mA
Sinking –10 <
I
OUT
< 0 mA............. 400
μ
V/mA
Quiescent current ................................... 2 mA
Power consumption................................ 30 mW
LED Power Requirements
6.5 mA at 5 V ......................................... 32.5 mW
9 mA at 15 V .......................................... 135 mW
9 mA at –15 V ........................................ 135 mW