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iDAQ-817_821 User Manual
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Analog Output (iDAQ-821)
Channels:
4
Digital-to-analog converter (DAC) resolution:
16 bits
Output range:
0 ~ +5 V, 0 ~ +10 V, ±5 V, ±10 V, 0 ~ 20 mA, 4 ~ 20 mA, software
selectable per channel
Output coupling:
DC
Current output type:
Source
Output load
–
Voltage output:
1 kΩ min.
–
Current output:
520 Ω max.
Output impedance
–
Voltage output:
0.06 Ω typ.
–
Current output:
100 MΩ typ.
Isolation protection:
600 V
RMS
Power-on output state:
0 V
Operation mode:
Static or buffered, software configurable
Buffered output
–
Update rate:
10 kHz max. per channel, software configurable
–
Internal data buffer (FIFO) size:
512 samples
Absolute accuracy
–
Voltage output
Operating temperature: within ±5°C of last
Auto-calibration temperature: ±0.01% of full-scale range max.
Over full operating temperature range: ±0.05% of full-scale range max.
–
Current output
Operating temperature: within ±5°C of last
Auto-calibration temperature: ±0.1% of full-scale range max.
Over full operating temperature range: ±0.5% of full-scale range max.
–
Power-on glitch:
1.1 V, 0.4 ms
Temperature drift
–
Offset drift:
25 ppm/°C
–
Gain drift:
15 ppm/°C
Output slew rate:
1 V/μs
Settling time:
100μs (to ±0.01% of FSR, voltage output)
DC performance
–
Output noise:
0.2 mV
RMS
@ bandwidth of 100 kHz
–
Effective resolution:
16 bits
–
Channel-to-channel DC crosstalk:
20 μV, measured channel at midscale,
adjacent channel at full scale
Summary of Contents for iDAQ-817
Page 1: ...User Manual iDAQ 817 iDAQ 821 Analog Input and output Industrial DAQ Modules ...
Page 8: ...iDAQ 817_821 User Manual viii ...
Page 11: ...Chapter 1 1 Start Using iDAQ 817 821 ...
Page 15: ...Chapter 2 2 Installation Guide ...
Page 20: ...iDAQ 817_821 User Manual 10 ...
Page 21: ...Chapter 3 3 Function Details ...
Page 29: ...Appendix A A Specifications ...
Page 33: ...Appendix B B System Dimensions ...
Page 35: ...25 iDAQ 817_821 User Manual Appendix B System Dimensions ...