27
Chapter 3
Fig. 3-3 shows how to make analog output and external reference input
connections on the PCI-1710U/1710HGU.
Figure 3.3: Analog Output Connections
3.3.3 Digital Signal Connections
The PCI-1710U/HGU has 16 digital input and 16 digital output channels.
The digital I/O levels are TTL compatible. The following figure shows
connections to exchange digital signals with other TTL devices:
To receive an OPEN/SHORT signal from a switch or relay, add a pull-up
resistor to ensure that the input is held at a high level when the contacts
are open.
D.GND
DO
DI
D.GND
TTL Devices
Summary of Contents for PCI-1710HGU
Page 1: ...PCI 1710U Series 12 bit Multifunction Cards with Universal PCI Bus User Manual...
Page 12: ...PCI 1710U Series User Manual 6 Figure 1 1 Installation Flow Chart...
Page 24: ...PCI 1710U Series User Manual 18...
Page 35: ...2 APPENDIX A Specifications...
Page 41: ...35 Appendix A...
Page 42: ...PCI 1710U Series User Manual 36...
Page 43: ...2 APPENDIX B Block Diagrams...
Page 44: ...PCI 1710U Series User Manual 38 Appendix B Block Diagrams...