device internally connects the C terminal to the chassis ground. Recommended NI power
supplies are listed in
.
The FD-11634 has a maximum device power consumption of 10 W. Each FieldDAQ filters
and regulates the supplied power for its tasks.
When FieldDAQ devices are linked together through the power IN and power OUT
connectors, the total current consumption of the chain equals the sum of every linked
FieldDAQ device’s current consumption. The total current cannot exceed 10 A, and the total
supply load of the chain must be less than 300 W.
You can use the optional auxiliary power lines (Aux1 and Aux2) to draw power for
non-FieldDAQ devices in your network. The FieldDAQ device does not make use of the
auxiliary power itself. If you are connecting power through the auxiliary power lines, ensure
that the total combined current between V Input and Aux power lines does not exceed 10 A.
Refer to the
FD-11634 Specifications
for information about the power connectors, power
requirements, and current limits of your FieldDAQ device.
Cap the power connectors when not in use.
Power Connectors
The following figure shows the pinout of the Power IN connector.
Figure 7. Power Connector Pinout
Aux1
C
V
Chassis Ground ( )
Aux2
2
3
4
5
1
Table 3. Signal Descriptions
Pin Number Wire Color* Signal
Description
1
Brown
V
Positive voltage line
2
White
Aux2 Optional line for powering non-FieldDAQ devices
3
Blue
C
Common. Negative voltage line
4
Black
Aux1 Optional line for powering non-FieldDAQ devices
12
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FD-11634 User Guide