Measurement Computing USB-1608HS - Manual (Page 17)

USB-1608HS User's Guide Functional Details
17
The following image depicts a Wheatstone bridge signal source connected to a USB-1608HS configured for
differential mode.
Figure 7. Differential measurement connection
For more information on analog signal connections
For more information on single-ended inputs, refer to the Guide to Signal Connections (this document is
available on our web site at
www.mccdaq.com/signals/signals.pdf ).
Analog ground terminals
The 10 analog ground ( AGND ) connections provide a common ground for all analog input channels and the
analog trigger ( TRIG_IN ).
Refer to the pinout diagram on page 14 for the location of the AGND terminal pins.
Digital input terminals (DI0 to DI7) and digital output terminals (DO0 to DO7)
You can connect up to eight digital input lines to screw terminals DI0 through DI7 . You can connect up to eight
digital output lines to screw terminals DO0 to DO7 . Refer to the pinout diagram on page 14 for the location of
these pins.
The eight input pins have 47 k resistors that you can configure to either pull-up or pull-down, or disconnected
with a jumper.
CH7_H
CH
7_L
CH
7_
H
AGD +5 V
CH7_L