Digital Weight Indicator is a usable in simple weighment. When truck come on the platform, customer can see only weightment. But it has optional Rs 232 Port facility so with the use of port we can interface indicator with PC & softwere & get printout or data. Indicator has inbuilt battery backup facility.
DIGITAL WEIGHT INDICATOR :
shall be designed to be an intelligent weight indicator. The technology adopted shallpermit all operating features and functions to be included within the standard models. No separate components or assemblies shall be required to cover the comprehensive feature list. The front panel display shall include large source seven-segment light emitting numerical display (LED) for weight. The rear panel of this model shall provide access for load cell inputs, Computer interface, power switch and fuse. The instrument shall be based on single card design to permit rapid onsite servicing by servicepersonnel. |
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The Electronic Weighing indicator shall be 89C55-Micro – controller - 8-Bit Microprocessor, which can access maximum of 128 Kilobytes of Memory. The System shall consist of 256 Bytes of RAM (Random Access Memory) and 16 K of EPROM (Erasable Programmable Read Only). The total monitor program shall be about 12 K, which resides in EPROM memory. The Analog Signal shall be converted into Digital Form by Dual slope integration technique. The Processor shall be interfaced in such a way that it controls Analog to Digital Conversion in the system.
The System shall be provided with an RS-232C interface for operations with computer & printer with an appropriate Computer software, the desired printout can be printed. The acquired Digital Data shall be displayed and stored in the computer. The program shall be written in 6502 Assembly language and shall be executable by its 6502 Processor. Details of your standard software may please be provided for our study and comments, if any.
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