Omega Engineering USB-4761 User Manual page 5

3.3
3.4
3.5
Appendix A Specifications ................................................. 28
A.1
A.2
A.3
Appendix
USB-4761 User Manual
Table 3.1:I/O Connector Signal Description ............... 24
3.2.3 LED Indicator Status Description ................................ 24
Table 3.2:LED Indicator Status Description ................ 24
Isolated Digital Input Connections.................................. 25
3.3.1 Single-ended Channel Connections ............................. 25
Figure 3.2:Isolated Digital Input Connections ............. 25
Relay Connections........................................................... 25
Figure 3.3:Relay Output Channel Connections ........... 25
Field Wiring Considerations ........................................... 26
Isolated Digital Input....................................................... 28
Relay Output ................................................................... 28
General ............................................................................ 29
B Function Block............................................... 32
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