iDAQ-900 User Manual
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3.5.2
Instant Digital Input Acquisition
With instant digital input acquisition, the software controls the sample timing. Each
time the software sends a “read instant digital input sample” command, the state of all
digital input channels is sampled as shown in Figure 3.26.
Figure 3.26 Instant digital input acquisition
3.5.3
Buffered Digital Input Acquisition
With buffered digital input acquisition, the sample rate and the duration of the acquisi
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tion is controlled by hardware timing signals. All samples are stored in the buffer
memory before sending back to the host computer as shown in Figure 3.27.
Figure 3.27 Buffered digital input acquisition
Summary of Contents for iDAQ-900 Series
Page 1: ...User Manual iDAQ 900 Series iDAQ 934 iDAQ 938 iDAQ 964 Industrial DAQ Chassis ...
Page 10: ...iDAQ 900 User Manual x ...
Page 11: ...Chapter 1 1 Start Using iDAQ Chassis ...
Page 17: ...Chapter 2 2 Installation Guide ...
Page 21: ...11 iDAQ 900 User Manual Chapter 2 Installation Guide ...
Page 24: ...iDAQ 900 User Manual 14 ...
Page 25: ...Chapter 3 3 Function Details ...
Page 46: ...iDAQ 900 User Manual 36 ...
Page 47: ...Appendix A A Specifications ...
Page 50: ...iDAQ 900 User Manual 40 A 8 Function Block iDAQ 934 iDAQ 964 iDAQ 938 ...
Page 51: ...Appendix B B System Dimensions ...
Page 52: ...iDAQ 900 User Manual 42 B 1 Chassis iDAQ 934 ...
Page 53: ...43 iDAQ 900 User Manual Appendix B System Dimensions iDAQ 964 iDAQ 938 ...
Page 54: ...iDAQ 900 User Manual 44 B 2 Mounting Wall Mount for iDAQ 934 Wall Mount for iDAQ 938 ...
Page 55: ...45 iDAQ 900 User Manual Appendix B System Dimensions ...