Table 6. LED State/Status (Continued)
LED Color and State
Connector Status
Red, solid
Overload. Maximum output current exceeded for the set voltage on
sensor power output.
Yellow, blinking/
alternating
User-defined status. Use MAX to write a state to any LED by
expanding
Devices and Interfaces
»
Network Devices
»
your
FieldDAQ device
»
bank of connectors in your FieldDAQ device
and configuring the LED settings on the Settings tab.
Note
When you turn off the LEDs in MAX, the FieldDAQ device controls and sets
the state of the LED. You cannot configure an LED while a task is running.
Connecting Voltage Input Signals
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-11601 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-11601 Specifications
.
Figure 11. Connecting Grounded Signal Sources to the FieldDAQ Device
Signal
Source
AI-
+
–
AI+
2
4
•
Floating Signal Sources
Figure 12. Connecting Floating Signal Sources to the FieldDAQ Device
Signal
Source
AI-
+
–
AI+
2
4
FD-11601 User Guide
|
© National Instruments
|
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