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Author: Smartweigh–Multihead Weighter
First, the application of multihead weigher. Multihead weigher is an automatic weighing equipment that completes high-precision continuous quantitative analysis and feeding according to static data weighing. It can reliably, accurately and smoothly feed dry and dispersed liquid, powder, granular, flake and other raw materials, reduce the consumption of raw materials, and improve the mortar consistency of the mixture.
(The measurement accuracy reaches 0.2%) Second, the equipment and principle of the weight-loss scale. 1. The PLC server used in this new project is LS21-18MTH-1WT. The PLC has 8 safe channel data input/10 safe channel transistor output.
Multi-channel weighing/twisting/working pressure/support force hybrid server with 24-bit screen resolution. LS21-E4P(T) control module, platinum thermal resistance or thermal resistance type optional temperature expansion control module. The AC servo motor is LS11-15060A servo controller + motor.
2. The whole process of feeding: when the net weight in the silo is lower than the set offline value, open the feeding valve, lock the rated power of the motor and feeding rate, when the net weight in the silo is greater than or equal to the set online value, Terminate feed. (or terminates when the set maximum battery charging time is exceeded) After the weight sensor has stabilized, the motor rated power and battery charging rate will be turned on. 3. Operation process of multihead weigher: The weight sensor immediately collects the total flow data information and submits it to the PLC for resolution.
After calculation, on the one hand, the parallel processing data information is transmitted to the touch screen to carry out interface display information and data communication, and on the other hand, the rated power of the motor is controlled to achieve the purpose of adjusting the total flow in real time. 3. What part of the multihead weigher key consists of? The marketing and promotion staff who must sample the program process are: LSJS24 Remarks Name: Weightless Weighing Program Process. 1. LS21-18MTH-1WT programmable controller.
2. LS21-4P (T) type surging control module (to check the temperature) 3.3 servo controller. LS11-15060A+a motor 4.
A 7-inch Tianshan Tongtai touch screen 5. Weight sensor. Fourth, the liquid weight loss scale accurately measures the video of the rounded scene (the mobile phone screen is small, and the video can be played on the computer) first set the total flow, otherwise it is not easy to start.
Before starting, check whether each gate valve is open to prevent damage to the equipment. Answer: The calibration can be carried out according to the calibration indication. b: Basic parameters.
1. Steady flow time, when the program is executed, the current rate will be automatically saved and stored in the stable operation rate. On the next start, you can enter the changed value into the total flow start value or press“Enter a value”, which can quickly complete a smooth operating rate and prevent raw material consumption. 2. Limit the feeding time to prevent the deviation caused by long-term feeding due to sensor damage, common failure of the feeding relay or raw material overflow.
3. Adjustment method, the total flow can be calculated according to the weight or (“Rate regulation”It can be used in an emergency to avoid the damage of the weight sensor) C: The main dialog box will display the data information you want to query in real time. d: Common problems: Some liquids have poor circulation, which is likely to cause the liquid to flow back. At this time, the liquid must be warmed or a pressure relief package must be added before the pump.
Connect wire splices and shielded cables as necessary. Prevent electromagnetic induction and electrostatic interference.
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