Quatech QTM-8524 User Manual
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Contents
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Quatech QTM-8524 Manual 91. IntroductionThe QTM-8000 Series of modules is comprised of analog anddigital I/O modules designed for a wide variety of data ac-quisition and signal conditioning functions. These modulesare designed for an RS-485 communication network, and re-quire an RS-485 to RS-232 converter in order to be accessedthrough a standard PC serial port. The QTM-8520/8520Rmodule performs this function. Unlike many other convert-ers, the versatile QTM-8520 contains a unique self-tuner ASICthat allows it to process signals from multiple serial devicesoperating at different baud rates and using different data for-mats. This flexibility makes a QTM-8000 Series network anextremely cost effective solution for remote signal monitoringand control.The QTM-8524 is a radio modem module that can implementQTM-8000 Series modules as a wireless data acquisition andsignal conditioning network. The wireless communicationmodules form RF communication between peer-to-peer ormulti-point structures, which eliminates the use of long cables.Like the QTM-8520, the QTM-8524 functions as a RS-485 toRS-232 converter. However, it does not contain the self-tunerASIC which means that all modules operating in a QTM-8524wireless network must be functioning at the same baud rateand using the same data format. To implement a wireless net-work functioning at several different baud rates, a QTM-8520module must be used in conjunction with multiple pairs ofQTM-8524 modules. |
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