【正文】 top signal, each electronic belt says about PLC output signal a belt running deviation indicator lights, startup, belt skid feeder, start signal of belt conveyor.Communication system design choices as PC software platform by use Visual, with its friendly interface, easy to use, develop strong practicability etc, are widely used in both at home and abroad.Monitoring software module of the software is based on Windows 2000, operating system, and Visual programming language, make Access2000 database management. Mainly used for system operation module which enter or exit site control condition, operating, establish initialization, a new production tasks, keep the ingredients of the project, the next after each parameter can be automatically boot, enter the project, in order to prevent general people literally, set up the startup system login] function. Statements management module function is the first enter inquires, the operator can pages of all channels of historical data and browse ingredients, inquires according to the passage, when the date and time, divisions, data ingredients generate reports and print.Onsite control module mainly used for setting engineering parameters, monitor and control field ingredients.Setting module for setting the initialization parameter ingredients and engineering. Namely, the time, the production of Numbers, initial placement, automatic reset manually/cumulative class, single/pletion and other parameters said belt.The structures of the belt scales ingredients consists mainly of transmission mountings, weighing transducer speed sensor, scale, active roller, driven roller, conveyor belt conveyors, drag, adjusting devices, equipment etc. When the scattered in conveyor belt scale body through the material on the weighing scale body, the speed sensor and sensor signal and the weight of millivolt belt speed pulse signal through the junction box to strap balance meter [3]By feeding equipment materials to electronic belt scales, says the speed sensor weighing sensors and weighing and speed signal sent to weigh instrument meter, weighing the instantaneous flow conveying materials, accumulation, at the same time, the data such as measuring the measured value and value deviation, through the inverter to adjust the speed of the motor drive belt scales, make accurate to user setting to flow, material flow to a constant.For electronic belt scales, can choose just qualitative stype weighing transducer. The connection mode using joint bearings, tensile condition in the lateral force, the ability, can be installed on the seal, pact structure, within the system is posed of a platform characteristic of a machine to control the multiple feeder, in order to achieve certain proportion between each feeder, the work is connected, and give a quantitative as current ratio, so its modified control structure is more plex.自動稱重配料系統(tǒng)目前，隨著科學(xué)技術(shù)的不斷發(fā)展，自動稱重配料系統(tǒng)已經(jīng)廣泛應(yīng)用于冶金、煤炭、化工、建材等行業(yè)中[1]。因此，慎重，全面地選擇一套合理、完善、經(jīng)濟的方案就顯得尤其重。配料質(zhì)量控制的優(yōu)劣直接關(guān)系著企業(yè)生產(chǎn)能否順利進行。稱重部分采用電阻應(yīng)變式工作原理，多托輥杠桿式結(jié)構(gòu)，實際工作時，皮帶稱采用恒速計量方式，通過調(diào)節(jié)上級給料速度來改變物料流量，本類型怕帶稱多用于企業(yè)內(nèi)部生產(chǎn)的工藝控制。系統(tǒng)軟件有多種現(xiàn)場控制方式和配方輸入方式，一適應(yīng)不同的工程要求，用戶可設(shè)定報警打印時間等參數(shù)，界面采用菜單方式，使用方便，用戶可通過鼠標或鍵盤進行操作，對整個配料系統(tǒng)進行控制和管理。設(shè)定模塊用于設(shè)置配料工程各初始化參