User Manual
SLC™ 500 4-Channel Analog I/O Modules 23
Publication 1746-IN008C-EN-P - May 2004
General Analog Input Specifications for NI4, NIO4I, NIO4V, FIO4I, and
FIO4V
Other Analog Input Specification for FIO4I, and FIO4V
Description Specification
NI4 NIO4I, NIO4V FIO4I, FIO4V
Converter Resolution 16-Bit 12-bit
Repeatability ±1 LSB
Location of LSB in I/O image word 0000 0000 0000 0001
Non-linearity 0.01% ±0.073% of full scale max.
Common Mode Voltage Range -20 to +20 volts 0 to +20 Volts (max)
Common Mode Rejection at 0 to 10 Hz (min.) 50 dB
Common Mode Rejection at 60 Hz (min.) 105 dB 50 dB (min with 1K ohm
imbalance)
Normal Mode Rejection at 60 Hz (min.) 55 dB NA
Channel Bandwidth 10 Hz 7.0 kHz (min at 3dB point)
Step Response 60 ms at 95% 100 µsec
Conversion Method Delta-Sigma Modulation Successive approximation
Impedance to ANL COM
380K ohms
(1)
(1) The value listed is for Series B and greater. For series A, the impedance to ANL COM is 500K ohms.
500K ohms
Impedance channel to channel
760K ohms
(2)
(2) The value listed is for Series B and greater. For Series A, the impedance channel to channel is 1M ohms.
1M ohms
Descriptions Specifications
Signal Convert from Hold 6.0 µsec (nominal)
Track and Hold Time to Acquire the Analog Signal
Before Conversion
1.5 µsec (nominal)
Conversion Time 7.5 µsec every 512 msec (nominal)
Image Format (HEX) OFF
Module Throughput Delay
1.10 ms (maximum
(1)
)
512 µsec (typical)
(1) Worst case throughput occurs when the module just misses seeing an event occur.
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