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Keypads for variable frequency drives (vfd) allow equipment operators to quickly change, update, or modify how a vfd controls the motor. Often these keypads are mounted directly on the vfd. However, vfds are often mounted within an electrical enclosure which makes accessing the parameter unit difficult.
Mounting a keypad on the exterior of an electrical cabinet will allow an operator to modify settings safely and easily. The process is relatively simple but you may need some additional parts.
Below are instructions and diagrams for mounting three different types of Mitsubishi parameter units.
The slight disadvantage is that it is more difficult to plug the RJ-45 jack into. This is because the male side of the RJ-45 jack on the back of the parameter unit does not have a clip that keeps a female to female RJ-45 coupler attached. Mitsubishi does have a solution for this but we elect not to stock it because of price. Instead you may use a special plastic and vinyl glue to fasten a regular female to female coupler to the male RJ-45 jack on the FR-DU07 and then plug the Ethernet cable into the drive and the female RJ45 coupler.
Mitsubishi DU07 Keypad Mounting Template
Mitsubishi FRPU0701 Keypad Mounting Template
The major advantage is that it only needs one 7/8” hole (1/2 conduit knockout) for the female RJ-45 jack and 4 holes to access the metric size 3 threaded inserts on the parameter unit to fasten it to the panel. The male end of an Ethernet cable plugs into the parameter unit and the drive. Our field technicians will commonly use this solution when cutting out the large hole is really not practical.
Mitsubishi FRPU04 Keypad Mounting Template