National Instruments cRIO-FRC Manual Download Page 5 | Manualshive

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Removing the back plate

4.

Using the same method as in the previous step, raise the PCB by lifting the serial port from
under the chassis with one hand, and carefully remove the PCB with the other hand. Place the
PCB on the ESD mat with the connectors facing up, and set the chassis aside.

Removing the PCB

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Summary of Contents for cRIO-FRC

Page 1: ...arge ESD and physical damage Failure to follow the directions in this document may result in damage to your cRIO FRC and void the warranty If you are uncomfortable with disassembling and cleaning your controller you can provide a minimal level of protection by installing the external Module Connector Gasket To do that skip to the Installing the Module Connector Gasket section of this document Tabl...

Page 2: ...1 screwdriver On the right is a different sized screwdriver Compressed air Protective Gasket Kit Small soft clean paintbrush with non conductive bristles Small Ziploc bag or other sealable container for holding loose parts such as screws ESD grounding wrist straps and an ESD mat properly installed and grounded NOTE You should use an ESD mat whenever you handle electronics However if a mat is not a...

Page 3: ...ff all rings bracelets and dangling necklaces to reduce the risk of ESD Disassembling the cRIO FRC CAUTION When handling the cRIO FRC circuit board never hold it by the components or connectors Make sure to hold the board only by the edges Do not touch the integrated circuits Before starting make sure you have read the above sections listing the tools and preparation required 1 Remove all external...

Page 4: ... apply moderate downward force and work slowly to reduce the risk of damaging the cross recesses in the screw heads Place the screws in a safe place like a Ziploc bag or other sealable container Removing the screws 3 Keeping the cRIO FRC facing downward use one hand to gently press on the serial connector to raise the back plate and PCB board and use your other hand to lift off and set aside the b...

Page 5: ...s in the previous step raise the PCB by lifting the serial port from under the chassis with one hand and carefully remove the PCB with the other hand Place the PCB on the ESD mat with the connectors facing up and set the chassis aside Removing the PCB ...

Page 6: ...g or PCB 1 Hold the chassis away from your work surface and use compressed air to dislodge and remove debris from all sides of the chassis Note that holding the chassis away from the work surface removes the risk of blowing debris from the chassis to the PCB Removing debris from the chassis with compressed air 2 Check to see if there are any foreign objects on or in the chassis that were not dislo...

Page 7: ...Using a paintbrush to remove foreign objects from the chassis 3 Repeat steps 1 and 2 to clean the PCB and back plate Be careful not to force debris under the components ...

Page 8: ...ets are made of a thin flexible material that can tear if they are repositioned after application Make sure each gasket is properly aligned before applying pressure to set the adhesive 1 Place the chassis face down on the ESD mat 2 Remove one of the gaskets from the packaging and peel away the paper backing to reveal the adhesive Take care to minimize adhesive contact with foreign objects such as ...

Page 9: ...t 5 Before firmly seating the gaskets flip the chassis over and confirm that the gasket openings and chassis openings are centered 6 Using your finger firmly press each gasket into place Work slowly and take care not to tear the gasket material ...

Page 10: ......

Page 11: ...CB You may need to apply slight pressure after having installed the protective gasket to push the connectors through the gasket openings DO NOT USE EXCESSIVE FORCE ON THE PCB If you feel resistance remove the PCB and check the alignment 4 Use the 1 Phillips head screwdriver to secure the back plate to the chassis using the eight screws Be careful not to over tighten or strip the screws The maximum...

Page 12: ... minimize adhesive contact with foreign objects such as fingers or dust 3 Lightly place the Module Connector Gasket in the chassis module cavity adhesive side down and gently press the gasket over the first connector 4 Working from the first connector gently peel away enough of the backing to press the gasket down over each connector taking care not to stretch the gasket too much ...

Page 13: ...5 When the gasket is in place around all connectors go back over it and firmly press it into place with a soft blunt tool ...

Page 14: ...O Module 1 NI 9201 2 NI 9201 3 Empty 4 NI 9403 5 Empty 6 NI 9403 7 Empty 8 NI 9472 7 Reattach power Ethernet and serial cables and test for functionality Congratulations You have successfully cleaned your cRIO controller and applied gaskets to help prevent future contamination Please remember to keep the cRIO FRC and other robot electronics isolated from metallic debris at all times There are many...

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