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2.2 Mounting Modules All of your EPIC modules need to be mounted to something (or in something). Whether you choose to mount them in a PC-like cabinet together, or mount them free in your cockpit or in separate boxes, you need to do some planning before you start wiring things up. 2.2.1 Open Mounting I’ve read some forum postings on the advantages of mounting your EPIC Modules against the walls of the simulator. This has the advantage of free access to all connectors, good airflow and it makes it easier to find a location since EPIC Modules can be placed wherever free space can be found. The major disadvantage for me would be the danger of accidental damage and the need to feed power to Modules located all around the simulator. My fear with this mounting concept is that something would come lose and fall on a Module or a liquid would spill and short something out. 2.2.2 Central Mounting Central mounting involves mounting all of your EPIC Modules in a single case, like a computer case. One of the advantages to central mounting is it is easier to connect all of your Modules since they are all in one case and you’ll have access to a 12vdc power supply. Another advantage is your Modules have protection for damage and probably have a ventilating fan to help cool them. The main disadvantage with Central mounting is all of your panel wiring must come to one enclosed location to feed all of your Modules. Unless you plan wisely, this could become very cumbersome during construction, maintenance and troubleshooting. 2.2.3 Modular Mounting I chose modular mounting of my Modules. I placed one or two Modules in a case (I used Radio Shack plastic cases) and cut holes for the wires or connectors. I also mounted connectors to the cases for my panels to plug into. This mounting concept allows me to remove my modules for testing or repair, without removing any of my simulator wiring. I also plan to mount most of my Module cases centrally (under my pilot seat) to allow easy connection of the power. Mounting my modules 15 under my seat is ideal since most of my panels are located to the left or right of the seat anyway. For my lights, I’m mounting my EMDA PRO34 Modules on boards and mount the boards in cases. I’ll place the PRO34 cases on the left, right, and front walls of my simulator, using ribbon cable running back to the Output Modules located under the pilot seat. The major disadvantage of this mounting concept is, it provides the worse air flow of the three discussed because all the Modules are in small enclosed cases with poor circulation. 15 2.3 Wiring to Modules 2.3.1 Distributing Power The main consideration here is how you plan to run your wiring around your simulator. If all of your wiring is simply laying on the floor, it may be difficult to troubleshoot or make repairs down the road. By using some form of conduits, you can keep your wiring organized and protect it from damage. You also need to decide how you will distribute the power to your EPIC, and it’s Modules. 2.3.1.1 If you’re using a distributed power architecture, you’ll need to supply 120vac (US) power throughout your cockpit to power all of your individual power supplies. Running 120vac is probably easier since you can buy as many wall-style power supplies as you need and use a power strip in a central location to power them. 2.3.1.2 If you’re using a central power architecture, you’ll need to design a power box that has the connections for all of your EPIC Modules. My power box has a small circuit card mounted inside with 2-pin connectors for +12vdc and ground. The 2-pin connectors allow me to connect a cable that has the EPIC power plug (center negative) on the other end and I run these cables to each of my EPIC modules. 2.3.2 Wiring modules I plan to locate all of my EPIC modules in one place so connecting them to my power box won’t require very long cables. Also, since all of the EPIC Modules come with pre-made 1-foot cables, centralizing their location makes connecting them easier. You’ll need to decide where you will place your EPIC Modules so you can determine if the ribbon cable length will cause problems for your EPIC hardware. 2.3.2.1 In my simulator, any wiring that goes to any module, but not to one of the Module’s connectors, goes to a small circuit card that has an attached to a connector. This way, all connections to every one of my EPIC Modules has a physical connector. This wiring system makes my EPIC Modules (mounted in their cases) more like the line replaceable units (LRUs) in a real www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：航空资料18
