You can connect grounded and floating voltage input signals to the FieldDAQ device. Make sure that devices you connect to the FieldDAQ device are compatible, as listed in the FD-116xx Specifications.
Grounded Signal Sources—To ensure proper operation, make sure the voltage on the AI+ and AI- connections adhere to the channel-to-earth ground safety voltage specifications listed in the FD-116xx Specifications.
Figure 1. Connecting Grounded Signal Sources to the FieldDAQ Device
Floating Signal Sources
Figure 2. Connecting Floating Signal Sources to the FieldDAQ Device
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