host computer. If neither the host computer nor the CompactRIO controller is connected to a
network, you can connect the two directly using a crossover cable.
If you want to use the controller on a subnet other than the one the host computer is on, first
connect the controller on the same subnet as the host computer. Use DHCP to assign an IP
address or reassign a static IP address for the subnet where you want it to be and physically
move it to the other subnet. The first time you configure the controller, you must also install
software on it. Refer to the
Measurement & Automation Explorer Help
for more information
about configuring the controller in Measurement & Automation Explorer (MAX). Contact
your network administrator if you need assistance configuring the host computer and
controller on the same subnet.
Wiring Power to the Controller
Caution
You must install the controller on a CompactRIO chassis and tighten the
captive screws before you apply power to the controller. Installing the controller
while power is applied to it can cause damage to the chassis.
The cRIO-9012/9014 requires an external power supply that meets the specifications in the
Power Requirements
section. The cRIO-9012/9014 filters and regulates the supplied power
and provides power for all of the I/O modules in the chassis. You must connect a power supply
to at least one pair of V and C terminals. Optionally, you can connect a power supply to the
other pair of V and C terminals. The controller draws power from the power supply with the
higher voltage. The cRIO-9012/9014 has one layer of reverse-voltage protection. Complete the
following steps to connect a power supply to the chassis.
1.
Connect the positive lead of the power supply to the V1 or V2 terminal of the power
connector shipped with the cRIO-9012/9014, and tighten the terminal screw. The
following figure shows the terminal screws, which secure the wires in the screw
terminals, and the connector screws, which secure the power connector on the controller.
Figure 4.
Power Connector
C
V2
C
V1
2
1
2
1. Terminal Screws
2. Connector Screws
2.
Connect the negative lead of the power supply to one of the C terminals of the power
connector and tighten the terminal screw.
6
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NI cRIO-9012/9014 User Manual and Specifications
