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REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件

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REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件

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REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件 REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件 REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件
REXROTH MSK060C-0600-NN-S1-UP1-NNNN邏輯模擬量順序卡件
電梯控制系統(tǒng)由呼叫到響應(yīng)形成一次工作循環(huán)，電梯工作過(guò)程可分為自檢、正常運(yùn)行、強(qiáng)制運(yùn)行等三種工作狀態(tài)，電梯在三種工作狀態(tài)之間來(lái)回切換，構(gòu)成了完整的電梯工作過(guò)程。 1．電梯的自檢狀態(tài) PLC后上電，電梯運(yùn)行進(jìn)入自檢狀態(tài)，檢測(cè)項(xiàng)目為： （1）供電電壓正常。 （2）各控制回路電源電壓正常。 （3）相序正確，相序繼電器吸合，安全回路中各開(kāi)關(guān)接觸良好，急停繼電器可靠吸合。 （4）關(guān)門到位后，各廳門門鎖和轎門門鎖觸點(diǎn)吸合正常，保證門鎖繼電器可靠吸合。 （5）開(kāi)、關(guān)門回路正常。 （6）電梯制動(dòng)器動(dòng)作正?？煽?。 （7）井道中各開(kāi)關(guān)位置正確，動(dòng)作可靠。 （8）上、下限位開(kāi)關(guān)，上、下極限開(kāi)關(guān)位置正確，動(dòng)作可靠。 （9）變頻器處于正常工作狀態(tài)，準(zhǔn)備就緒信號(hào)輸出有效。 （10）PLC處于正常工作狀態(tài)，其運(yùn)行模式開(kāi)關(guān)處于RUN狀態(tài)。 在以上條件都得到滿足后，電梯才可以進(jìn)入正常運(yùn)行狀態(tài)，否則，無(wú)法進(jìn)行正常運(yùn)行。 2．電梯的正常運(yùn)行狀態(tài) 電梯完成一個(gè)呼叫響應(yīng)的步驟如下： （1）電梯在檢測(cè)到門廳或轎箱的召喚信號(hào)后將此樓層信號(hào)與轎箱所在樓層信號(hào)比較，通過(guò)選向模塊進(jìn)行運(yùn)行選向。 （2）電梯開(kāi)始起動(dòng)，通過(guò)變頻器驅(qū)動(dòng)電機(jī)拖動(dòng)轎箱運(yùn)動(dòng)。轎箱運(yùn)動(dòng)速度由低速轉(zhuǎn)變?yōu)橹兴僭俎D(zhuǎn)變?yōu)楦咚?，并以高速運(yùn)行至目標(biāo)層。 （3）當(dāng)電梯檢測(cè)到目標(biāo)層減速點(diǎn)后，電梯進(jìn)入減速狀態(tài)，由高速變?yōu)榈退?，并以低速運(yùn)行至平層點(diǎn)停止。 （4）平層后，經(jīng)過(guò)一定延時(shí)開(kāi)門，直至碰到開(kāi)門到位行程開(kāi)關(guān)；再經(jīng)過(guò)一定延時(shí)后關(guān)門，直到安全觸板開(kāi)關(guān)動(dòng)作。 3．電梯強(qiáng)制運(yùn)行狀態(tài) （1）檢修運(yùn)行 當(dāng)電梯的初始位置需要調(diào)整或電梯需要檢修時(shí)，應(yīng)設(shè)置一種狀態(tài)使電梯處于該狀態(tài)時(shí)不響應(yīng)正常的呼叫，并能移動(dòng)到導(dǎo)軌上、下行極限點(diǎn)間的任意位置。檢修時(shí)，打開(kāi)檢修開(kāi)關(guān)，PLC程序進(jìn)入檢修模式，電梯以檢修速度運(yùn)行。按住強(qiáng)迫上（下）行按鈕，這時(shí)上（下）行繼電器吸合，同時(shí)抱閘打開(kāi)，變頻器收到方向信號(hào)后，電梯啟動(dòng)并以檢修速度運(yùn)行。 （2）消防運(yùn)行 消防返回狀態(tài)： 火災(zāi)時(shí)，設(shè)在大廳的消防開(kāi)關(guān)合上后，消除內(nèi)選和外呼信號(hào)，電梯向下返回消防層站，在返回消防層站的過(guò)程中，電梯不應(yīng)答任何內(nèi)選和外呼信號(hào)。 消防員專用狀態(tài)：到達(dá)消防層后，電梯進(jìn)入消防員專用狀態(tài)，每次只應(yīng)答一個(gè)內(nèi)選，且只有一直按住內(nèi)選按鈕，直到關(guān)好門后此內(nèi)選信號(hào)才被登記。此狀態(tài)下，外呼信號(hào)不登記。 （3）泊梯 泊梯開(kāi)關(guān)閉合，進(jìn)入泊梯狀態(tài)。若電梯不在泊梯層，則消除內(nèi)選和外呼信號(hào)，自動(dòng)返回泊梯層，然后關(guān)門，斷開(kāi)電源繼電器和變頻器電源接觸器，變頻器斷電，進(jìn)入泊梯狀態(tài)。 五、控制系統(tǒng)軟件設(shè)計(jì) 1．軟件流程
2．模塊化編程 電梯控制系統(tǒng)是集選式控制方式，適合采用模塊化編程方法，下面介紹幾個(gè)模塊的梯形圖程序： （1）電梯自檢模塊：安全回路中各開(kāi)關(guān)接觸良好，安全回路信號(hào)（10001）輸入，安全繼電器（01169）閉合。當(dāng)電梯開(kāi)關(guān)門完成（01037），關(guān)門到位<PLC
,人機(jī)控制，高速并條機(jī)的工藝設(shè)計(jì)要求和程序概要。
1 前言
棉紡工序關(guān)鍵-并條機(jī)能適應(yīng)純棉紡、棉型化纖及中長(zhǎng)纖維的純紡與混紡等多種工藝的并合牽伸，以提高棉條長(zhǎng)片段均勻度及纖維的伸直平行，使不同質(zhì)量的纖維在棉條中的混合更均勻?？捎糜诰岷笠坏啦l，縮短了流程，具有較好的熟條質(zhì)量，尤其是降低重量不勻率，改善條干CV值均有明顯效果，其質(zhì)量指標(biāo)能達(dá)到相關(guān)烏斯特統(tǒng)計(jì)值25％水平。
國(guó)產(chǎn)新型高速并條機(jī)設(shè)計(jì)速度在600-800m／min或以上，實(shí)開(kāi)車速應(yīng)達(dá)到400m／min,國(guó)產(chǎn)新型高速并條機(jī)大多為雙眼，單眼并條機(jī)已研制成功。
2.傳動(dòng)系統(tǒng)
2．1 主電機(jī)可為雙速電機(jī)，大多均為變頻電機(jī)，其調(diào)速方便、準(zhǔn)確，啟動(dòng)平穩(wěn)，開(kāi)速時(shí)間可調(diào)且節(jié)電效果明顯。一般電機(jī)帶電磁制動(dòng)，制動(dòng)過(guò)程平穩(wěn)可靠，制動(dòng)時(shí)間≤0．3秒。
2．2 牽引系統(tǒng)均用同步齒形帶、導(dǎo)條羅拉采用平皮帶傳動(dòng)，減少了傳動(dòng)級(jí)數(shù)，提高了傳動(dòng)、柔韌性和可靠性，穩(wěn)定了牽伸效果，降低了噪聲，能消除由于開(kāi)關(guān)車造成的粗細(xì)節(jié)，給紡紗質(zhì)量提供了保證。The elevator control system forms a working cycle from call to response. The elevator working process can be divided into three working states: self inspection, normal operation and forced operation. The elevator switches back and forth between the three working states to form a complete elevator working process. 1. The self inspection status of the elevator is powered on after PLC, and the elevator runs into the self inspection status. The inspection items are: (1) The power supply voltage is normal. (2) The power supply voltage of each control circuit is normal. (3) The phase sequence is correct, the phase sequence relay is closed, the switches in the safety circuit are in good contact, and the emergency stop relay is closed reliably. (4) After the door is closed in place, the contacts of each hall door lock and car door lock are pulled in normally to ensure that the door lock relay is pulled in reliably. (5) The opening and closing circuits are normal. (6) The elevator brake operates normally and reliably. (7) Each switch in the hoistway is in correct position and operates reliably. (8) Upper and lower limit switches, upper and lower limit switches have correct positions and reliable actions. (9) The frequency converter is in normal working condition, and the ready signal output is valid. (10) PLC is in normal working state, and its operation mode switch is in RUN state. After the above conditions are met, the elevator can enter the normal operation state, otherwise, it cannot operate normally. 2. In the normal operation state of the elevator, the steps for the elevator to complete a call response are as follows:. (2) The elevator starts, and the motor driven by the frequency converter drives the car to move. The moving speed of the car is changed from low speed to medium speed and then to high speed, and it runs to the target floor at high speed. (3) When the elevator detects the deceleration point of the target floor, it enters the deceleration state, changes from high speed to low speed, and stops at the leveling point at low speed. (4) After leveling, open the door after a certain delay until reaching the travel switch of opening the door in place; After a certain delay, close the door until the safety touch switch acts. 3. Elevator forced operation state (1) Maintenance operation When the initial position of the elevator needs to be adjusted or the elevator needs to be repaired, a state should be set so that the elevator does not respond to normal calls when in this state, and can move to any position between the upper and lower limit points of the guide rail. During maintenance, turn on the maintenance switch, the PLC program enters the maintenance mode, and the elevator runs at the maintenance speed. Press and hold the forced up (down) button, then the up (down) relay is closed, and the holding brake is opened at the same time. After the frequency converter receives the direction signal, the elevator starts and runs at the maintenance speed. (2) Fire fighting return status of fire fighting operation: in case of fire, after the fire switch set in the hall is closed, the internal selection and external call signals are eliminated, and the elevator returns to the fire floor station downward. During the process of returning to the fire floor station, the elevator does not respond to any internal selection and external call signals. Special status for firefighters: after arriving at the fire floor, the elevator enters the special status for firefighters. Only one internal selection is answered each time, and the internal selection signal is registered only after the internal selection button is pressed and held until the door is closed. In this state, the outbound call signal is not registered. (3) The parking ladder switch is closed to enter the parking ladder state. If the elevator is not on the parking floor, eliminate the internal selection and external call signals, automatically return to the parking floor, then close the door, disconnect the power relay and the inverter power contactor, and the inverter is powered off to enter the parking state. 5、 Control system software design 1. Software flow
2. Modular programming The elevator control system is a centralized selection control mode, which is suitable for modular programming. The ladder program of several modules is introduced below: (1) Elevator self inspection module: all switches in the safety circuit are in good contact, the safety circuit signal (10001) is input, and the safety relay (01169) is closed. When the elevator door is opened and closed (01037), the door is closed in place<PLC
, man-machine control, process design requirements and program outline of high-speed drawing frame.
1 Preface
The key of cotton spinning process - drawing can adapt to the combined drafting of various processes such as pure cotton spinning, pure spinning and blending of cotton type chemical fiber and medium long fiber, so as to improve the evenness of long sliver segments and the straightness and parallelism of fibers, and make the mixing of fibers of different quality more uniform in the sliver. It can be used for one drawing after combing, which shortens the process and has good sliver quality, especially for reducing the weight unevenness and improving the CV value of sliver. Its quality index can reach the level of 25% of the relevant Uster statistical value.
The design speed of the new domestic high-speed drawing frame is 600-800 m/min or above, and the actual opening speed should reach 400 m/min. Most of the new domestic high-speed drawing frames are double eyes, and single eye drawing frames have been successfully developed.
2. Transmission system
2.1 Main
electric machinery
It can be a double speed motor, most of which are variable frequency motors. Its speed regulation is convenient and accurate, the startup is stable, the speed opening time is adjustable, and the power saving effect is obvious. Generally, the motor is equipped with electromagnetic braking, the braking process is stable and reliable, and the braking time is ≤ 0.3s.
2.2 The traction system is driven by synchronous toothed belt and the guide roller is driven by flat belt, which reduces the number of transmission stages, improves the transmission accuracy, flexibility and reliability, stabilizes the drafting effect, reduces the noise, eliminates the coarse and fine knots caused by turning on and off, and ensures the spinning quality.