Daimler Chrysler choose Emerson CT drives

Located at the center of Chemnitz Emerson CT drives supply more than 800 ac drive, they are installed in Daimler Chrysler near Berlin Ludwigsfelde factory, used for production equipment in the new 'Sprinter'. The huge new factory specializing in the production of new Mercedes sedan 'Sprinter,' all power is higher than 1 factory. 1 kW driving devices are provided by Emerson CT. Why is that? Technical engineer Mr Wagner is explained: 'flexible programming ability and openness are the main reasons, we on 'Vaneo project has accumulated a lot about Unidrive SP Commander SE drive experience, we particularly liked Unidrive SP under the numerous applications of universal characteristics. 'In Ludwigsfelde VAneo production line using a total of more than 600 Emerson CT drives, and the adoption of direct communication between PLC controller and drive, the production efficiency is also improved. Since the decision after new Sprinter Ludwigsfelde factory models, specify where more than 1. All equipment use the Unid - 1 KW 赖夫SP。 These devices - including open loop and closed loop control device to control synchronous motor and induction motor, and all the position control in the whole production line shaft. Its use is very wide, from the control of the conveyor belt, elevating work platform, automatic control of vehicles and advanced small storage system to the ventilation and exhaust system. In this factory, Emerson CT drives mainly in three core region played an indispensable role: body shop, paint shop and assembly line. In the body shop, Sprinter body adopted by welding manipulator and automatic material transport system, with preformed metal plate welded together. Used in this area more than 200 Taiwan Unidrive SP drive. Ship work drive some use open-loop mode ( In buffer area, for example, there are as many as 86 body shell is temporarily stored in article 11 orbit) , while for crane device driver device adopt the closed loop mode. The control unit is a typical precision automatic welding application, here the servo motor is connected to two Unidrive SP in master-slave mode, used for lifting device, and with Unimotor Unidrive SP synchronous implementation of position control. Ludwigsfelde factory most of the Unidrive SP drive installed one for the increased use of on-board processing and Interbus communication module. Some shaft using the DP or CANOpen Profibus protocol, it depends on the specific type of controller. Other axis will be equipped with an encoder module, so that it can handle a second signal, for example, from the laser measuring instrument and other equipment. In Durr paint shop, ventilation and exhaust work by more than 200 electric power rating up to 110 kW drive is carried out. In addition, they also control the series of hydraulic axial blower and pump. Most of the driving device adopts open-loop control mode, use Interbus communication lines connected to the corresponding PLC. 15 - Workstation impregnated cathode plating equipment using the synchronous motor, the resolver feedback signals sent to the Unidrive SP control driving device, on the one hand is used to transport, on the other hand dipping paint control body shell in the rotation. In this section, all driving devices use the Profibus communication lines, including the rise and fall of open-loop control drive. The most demanding of driving device used in the assembly line, using a total of 400 or so Unidrive SP, mode of open loop and closed loop mode. High transport conveyor system all of the open loop control device through can make CANbus communications dedicated bus exhaust system for on-board drive/motor dc power supply. Unidrive SP driving device adopts embedded installation technology, make control box is very compact. Vehicles for delivering automation control system using the effects of the inductive conductor on the floor, transport as a Sprinter power transmission system of a complete set of, Engine, gearbox, drive shaft and axle) Such parts. In addition, six Unidrive SP inverter ( 1. 1 to 1. 5千瓦) By the 500 V DC power supply. Two sets of induction motor is used to control the movement and steering, two Unimotor type 142 UMD synchronous servo motor used for lifting work platform, two Unimotor type 115 UMD motor used for fine-tuning. Control signals from the access point out on the floor, so that the vehicle can be as needed to move and in accordance with the established model. CANbus/Interbus gateway is located in the vehicle interior, via Interbus communication with the six sets of inverter. Two sets of high density storage system is automated with the Unidrive SP ac drive access operation. Body shell storage device on the distribution of the two orbit 198 storage location, and four high shelf as a transit point between painting and assembly operations, and the three axial movement requires precise control. Axial movement including lifting ( 55千瓦) , transmission ( 37千瓦) And translation ( 2. 2千瓦) , use the closed loop control mode with encoder feedback signal. Longitudinal and elevator shaft with additional feedback signal, the length of the long distance laser measured orbit and installed on the lift shaft wheel provides the absolute encoder signal, which can monitor and error correcting when necessary.
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