Xi Menzi SIMATIC T

Law factor controls a company is company of a new and high technology, basically produce the CNC Machining equipment of the industry such as steel structure, iron tower, chemical industry, gained very great success inside the industry, occupational share of domestic major market, machine tool equipment sells as far as to 14 countries. 2.

The H in steel structure, bridge, want to pass connection board and other profile to undertake in construction on C profiled bar connection, fixed. Traditional treatment pattern is artificial delimit on workpiece fine line, use drill of radial drilling machine next, namely take time is arduous, precision not tall. Drilling machine of three-dimensional numerical control realized fixed length to send makings, send expect hind, 3 are gotten cut head to be opposite from two side and upper part respectively H, C profiled bar undertakes bore. Rose to send makings precision and connection greatly board Kong Qun's precision, rose to machine efficiency, make traditional handiwork machined an industry to produce gigantic revolution, develop to the CNC Machining respect of efficient, high accuracy. 3.

Is the machine tool brief craft introduction: ? profiled bar moves talk in one's sleep of ぞ of Ang of ankle of Mei of cowardly of violet caries  to expect on the road, workpiece differs to 18 meters from a few meters, the pincers that numerical control sends makings unit stays in makings head closely, send automatically into by process designing dimension along roller way way next, fixed position, if the graph is shown 1 times,the exterior pursues. After sending makings fixed position to finish, begin the work, if the graph is shown 2 times,lead plane exterior pursues. Lead plane has 3 to get up in left, right, upper part cut head (fluid controls the route) , every are gotten cut head to be controlled by crankshaft of 2 servo report, can locate on direction of X of the edge inside one plane, Y. Graph 1 send stuff stuff path and leader figure 2 electric ark and lead plane 　 4.

After clamp of workpiece of lead plane general, expect wide, stuff is expensive detect start, will detect a go to work deflection after data undertakes comparative handling, in the fixed position value that compensates each servo axis respectively, after getting the servo axis fixed position that cuts head correspondence to finish, auger cut head to extend, begin bore, after bore is finished voluntary withdrawal, get the servo axis that cuts head correspondence to begin fixed position again surely, move back and forth circulates, till machine Kongqunnei's aperture,finish. Send makings finish, be about to workpiece sends a working station, 3 are gotten cut head to locate bore each other is not affected, when 3 3 are gotten cut head to machine the Kong Dou of the Kong Qun of place correspondence after finishing, just begin next sending to expect, complete workpiece treatment all the time till. System of nextpage2, control forms 　 1.

SIMATICCPU315T-2DP has two communication opening, among them one is ProfibusDP (DRIVE) mouth, use component of join driver craft technically, communication rate is top can amount to 12Mbits/sec, what DP communication uses is ProfibusDPISOCHRONEMODE (the synchronism when waiting) mode. ISOCHRONEMODE is the new technology of PROFIBUSDP communication, it can make the time of cycle of bus line communication of PROFIBUSDP keeps constant, can increase the stability of communication greatly thereby, raise transmission to control systematic stability and precision. The module IM174 that is used at finishing motion to control craft job and ET200 all are in repeatedly ProfibusDP (DRIVE) below the mouth, in order to satisfy the requirement of athletic control technology. Another communication mouth is MPI/DP mouth of the standard, speed can amount to 12Mbits/sec. Use at joining to go up the DP of a machine PC, HMI and other level from the station. The user can pass MPI/DP communication mouth, those who join standard ET200 has SIMATICS7-300PLC function is patulous. Composition dominates systematic program, very convenience. 2.

This machine tool always shares axis of 7 fixed position, it is bit of position control entirely, what servo driver and electric machinery use is An Chuan (YASKAWA) ∑ - Ⅱ series. When choosing fixed position module, consider FM354 of fixed position module, FM357-2 above all, the function is powerful but cost is higher. And, the to program workload of fixed position pattern plate is big, use, debugged working difficulty is very great also. And an IM174 module has channel of 4 fixed position, 7 axes use 2 IM174 enough, a redundant passageway can become rod of amount to word, in order to detects the height of the pincers arm that sends makings car. Because IM174 pattern plate is very OK,use with SIMATICT-CPU join conveniently, adopted the control plan of 315T-2DPCPU join IM174 so, the DP that SIMATICT-CPU passes between them (DRIVE) communication mouth join, adopt drive of servo of join of bus line form (YASKAWA) , the network develop that comprises motion to control package attacks structure. Can see from technical index, SIMATICT-CPU is compositive the outstanding characteristic of traditional S7-300PLC and powerful function, at the same time compositive the craft object function related much exercise control, for example: Cam switch, protruding turntable, electronic gear, measure an input, presswork function of positional correct an error, positional control, synchro control, etc. The object is controlled to go up in motion, the transducer of all sorts of brands, all OK and special be linked together with SIMATICT-CPU conveniently, undertake through ET200 the function expands athletic controlling, for example: Hardware spacing switch, search origin signal, cam switch, etc. In the meantime, the AI/AO of all SIMATICS7-300PLC series, DI/DO, CP, FM pattern plate, all can apply freely. 3.

Hardware configures as follows: "315T-2DP6ES7315-6TD10-0AB01 of CPU pattern plate piece IM1746ES7174-0AA00-0AA02 of pattern plate of 　 " fixed position piece ET200M6ES7153-2BA00-0B01 of 　 " patulous pattern plate piece 6ES7321-1BH10-0AA02 of 　 of pattern plate of quantity of input of amount of 　 " number piece FM350-16ES7350-1AH03-0AE02 of pattern plate of 　 " tally piece 　 " number measures an input to measure pattern plate SM3216ES7321-1BL00-0AA03 piece 6ES7322-1BL00-0AA02 of 　 of SM322 of pattern plate of sendout of amount of 　 " number piece 　 4.

Is if the graph shows: 3 times,hardware decorated? The functional 　 that system of?nextpage 　 control finishs 1.

If the graph shows 4 times,systematic point forms: Graph 4 　 　 2.

Man-machine interface of the system, those who use is to associate business uses computer, without the feeling that uses a convention screen or labour accuse machine. Because, we are to use VB6.

Of 0 development go up a machine software, offer monitoring of information of processing of graph of process designing of a workpiece, CAD, machine tool to wait to the user, business is used machine or suit quite. 3.

What PLC uses is SIMATIC315T-2DPCPU, above with 2 communication mouth, go up a machine be linked together through MPI/DP mouth and PLCCPU, communication cable is cable of USB interface PCAdapter (6ES79720CB200A0) . What endure closely with CPU pattern plate is pattern plate of input of 3 numbers amount, finish the alarm signal that inputs servo drive, of transducer open stop with call the police information, positional switch and pushbutton of operation face plate input signal etc. It is pattern plate of output of 2 numbers amount next, pass auxiliary relay, control transducer open stop, a powerful person of of all kinds electromagnetism, indicator light. FM350-1 of pattern plate of function of computation of 2 high speed, among them one detects as workpiece height computation, another is to make workpiece width detect computation. Be out of shape because of steel structure workpiece is bigger, if the edge of workpiece cannot as fiducial as treatment lean neat, there can be an error in the Kong Qun on workpiece so, through detecting the deflection of workpiece, add compensation on the fixed position value of each axis. 4.

The axis of 7 fixed position of this machine tool, use 2 IM174 pattern plate, the ProfibusDP that uses ProfibusDP bus line and PLC (DRIVE) the mouth is linked together. What emphasize particularly is: Communication is ISOCHRONE (the synchronism when waiting) means, it can make the time of bus line cycle of PROFIBUSDP keeps constant, can increase the stability of communication greatly thereby. The servo driver of 7 axes and electric machinery, those who use is the product of Japanese An Chuan company, IM174 is OK well the tripartite driver of compatible blame Xi Menzi (because, the price of driver of Xi Menzi servo is too high) . But, need is special those who remind an attention is, the electric machinery revolution of correspondence of place of voltage of every bend over in servo driver parameter should be installed accurate, otherwise, will cause follow the error calls the police mistake, in hardware configuration of the axis, the top rotate speed of electric machinery is as corresponding as 10V voltage. The rest in IM174 is the last passageway, join coder, regard craft number as the axis, use detect as the high computation that sends makings device the arm. The craft object configuration of two IM174 is shown 5 times like the graph. Graph 5 　 　 5.

Because one locates the axis wants to have 2 final limit switch and an origin switch at least, 7 axes need to 21 numbers input capacity ability to satisfy, the I/O place that IM174 oneself place takes is finite, expand through ET200 then increased 2 high speed to input a number to measure pattern plate, ET200 module is to be in repeatedly DP (DRIVE) below bus line mode. The hardware configuration of whole system, consult please graph 6. 　 of graph 6nextpage 　 6.

The difficulty that controls a system and solution 　 1) the first technology of this system should be nodded even if two groups of distances between Kong Qun want accurate; the pitch that point of the 2nd technology is Kongqunnei wants about semmetry of work center line. 2) the distance between Kong Qun is send by uninterrupted ground makings will assure, send the accumulation of makings the error for many times should be less than formulary value. H profiled bar sends makings distance between the aperture on 3 faces and Kong Qun, after through going up software handles a machine, form 4 array. Go up a machine through MPI cable, the answers relatively DB that conveys array to be appointed to SIMATICT-CPU piece in. When PLC process designing, want to use 4 finger and 4 array of Db piece, have strict one to one correspondence relation. Want to consider the signal that touchs increase and decrease of needle of bristle with anger, want to have uniqueness and stability, the value of bore fixed position that sends makings pace and 3 faces otherwise can happen disorder. Workpiece is shown 7 times like the graph. Graph 7 　 　 3) because workpiece is wool embryo, solder artificially so and become, cause possibly be out of shape bigger. To make sure Kong Qun is strict about the abdomen board central line is symmetrical, the over all dimension that must want pair of work undertakes real time detects. Next, compare real value and theoretical value again, deviate is numeric, its compensation is in corresponding 　 of 　 of the; in the fixed position value of each axis 4) the parameter that adjusts good axis: Enter TechnologyobjectsManagement interface, according to clew one pace ground undertakes downward. Still can be in SIMATICT-CPU STOP condition to fall, the control of PLC authority gives TechnologyobjectsManagement tool software, special conveniently countershaft undertakes debugging, monitoring. Want to adjust the parameter such as the gain of good servo driver at the same time, otherwise the system also can call the police. 3, the project runs 　 1.

After share investment was used in January 2007, the equipment of 7 months runs last a period of time, control system showed good stability. The precision that locates especially and dependability promotion are very much. Former we are those who use is PLC of series of Q of 3 water chestnut, the series of QD75 of fixed position module that fixed position plan introduces. This module does not have positional feedback interface, open loop position is controlled, servo driver is pulse model, be disturbed very easily by the outside and cause fixed position to forbid. 2.

Go up a machine software and SIMATICT-CPU communication are very stable, monitoring picture did not appear the phenomenon of dead machine. Prodave software and VB6.

0 union rise, cable of together with MPI, make communication dependability increases greatly, rate is very rapid also. 3.

Anyhow, this control system is stable and reliable, make on the control level of the machine tool a new chance to extricateoneself from an awkward position, got of the user reputably. 4, application experiences 　 1.

The design that carries this item and debug, had deeper knowledge to Xi Menzi SIMATICT-CPU: SIMATICT-CPU and SIMOTION product have a lot of same place, it is to use kernel of software of SIMOTION 　 Kernel. SIMATICT-CPU is passed compositive the craft software package below STEP7 environment comes configuration and process designing. With respect to process designing character, can use S7-300 process designing, can use SIMATICT-CPU process designing. In the meantime, the user omited 　 of a lot of tie; 　 that develop software accredit field 2.

SIMATICT-CPU programming language uses the programming language of the S7-300PLC with engineer familiar place, for example: Echelon graph LAD, STL, FBD, s7-SCL, CFC, SFC, s7-GRAPH; 　 　 3.

The DP of SIMATICT-CPU (DRIVE) use means of the synchronism when waiting and IM174 to be linked together, use the means of bus line, join servo driver, comprise distributed motion to control a system, make fixed position control more reliable with accurate. IM174 is OK and very good compatible the servo driver of tripartite, to use the driver of tripartite, the athletic control system that built a human nature to change develops 　 of platform; 　 4.

SIMATICT-CPU belongs to motion to control special S7-300CPU. All motion control the function that craft place needs, can find in library of STEP7 process designing, process designing of very easy implementation debugs the job. Not tall to requirement of cultural background of engineer motion pilot, special human nature changes; 　 　 5.

Pattern of order of S7-300PLC work out, make program structure clear, readability is good, the spot debugs 　 of convenient; 　 6.

All S7-300PLC program functional piece, special function piece, data piece, can continue to use, the continuance of program of S7-300PLC of convenient user maturity uses; 　 　 7.

The whirl of 3 main shaft is by MM440 transducer drive. If increase an IM174 again, transducer increases DP the word of communication board, can use DP (DRIVE) communication means controls main shaft, the response of such main shaft the gender will be betterer, reliability is some higher. CNC Milling