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Review Longwall Mining PMC-R 2.0


        The PMC-R 2.0 is a Caterpillar control unit modified from the PMC-R and specially designed with a high degree of automation in long walls when used on sliding surfaces or plows. As in the previous PMC-R, this PMC-R 2.0 is also available on every roof support. However, data transmission on PMC-R 2.0 is faster because there is 100 M/Bit Ethernet communication in it, moreover it is supported by an A6 type CPU so that system time feedback is very likely to occur quickly with fast data refresh as well. This of course can facilitate remote operation so that it can still work optimally. Another process that makes the system easier is that there is a low latency connection that makes data updated faster, especially when the transmission is enhanced by using the Cat 3D V Software application. The app reviews historical trends and logs high-resolution current data so that it can provide a clearer and more precise representation of underground equipment.

        The ethernet communication in PMC-R 2.0 is found to be between the mine network to every shield to increase data transmission speed while expanding communication. The expansion of communication is also achieved by PMC-R 2.0 via an improved Ethernet Backbone and has proven to be very functional for long distance use with very fast data response. Moreover, coupled with a diagnostic application that can diagnose PMC-R 2.0 control with faster communication. In diagnosing, there is a technology that helps it, namely wireless technology by enhancing better connectivity options with the expansion of the CAN interface. So with the expansion of communication capabilities, this control system can receive integrated infrared and has a processor clock speed of 260 MHz. In addition, the increase in communication is also balanced with the increase in computer power with external flash memory larger than the internal, which is 32 MB, while the internal memory is 8 MB.

        The improvements that occur in the PMC-R 2.0 system are not only due to the superiority of the components, but also the design and robust structure. As such, the system is designed with a PMC-R compatible brass rod and is rated IP 68 equipped with a durable and strong metal housing for easy upgrades. There are supporting tools that help improve the quality of PMC-R 2.0, one of which is a solenoid driver with more connections to increase the pressure sensor and torso so that safety is maintained. The level of security can also be increased with the help of PPD (Personal Proximity Detection System), isolation couple, and height measurement by shielding system. In addition to safety, operator comfort and service are also improved, with the availability of a 66 cm LCD screen, a magnification of the viewing area up to 160%, to cost-effective component repairs. 

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