Por each pcu the file is in different position inside, for pcu20 you must go in the screen startup or service not remember, then selection text+ input and you have 2 languajes, in the pcu50/70 with hard disk i don't know where the manufacturer load it ,the name maby is xxx. If it's necessary make a new project for your machine you must use the tool box of the same version of pcmcia card because after you load the program inside of your plc the plc goes to stop mode and you never know why goes to stop !this is valid for 840d/810d/840di, for the other's cnc are similary, see 'table of compatibily'! in the site of 2) for the alarms text use winpcin in txt mode ( not binary mode) configure rs232 interface in the notebook and in the pcu20/50/70.

If you load the tool box you can not open the hardware, or open with error. OK ! The software said back up complete.Ītention !, for open the hardware in the project of S7 is necessary install the toolbox for 810d/840d /840di in the step 7 library, the tool box must be the same version of pcmcia card in the case of 840d, it's not absolut necessary for make upload but you can install tool box> =of pcmcia version, may be version 6.5, only apply setup and the tool box install alone, then you can see or open the hardware of the project upload of step7, if the toolbox not installated you can not open the hardware in the step 7 project!! OKK, you understand? It's necessary the tool box for open the hardware ! this valid for 801d/840d/840dI. I'm working for a very long time with 810d/840d/840di/, i don't know if i'm a teacher but i study very much and a lot of people talk with me.ġ) for make the backup (up-load the program) with s7 v5.3, the comunication in the pg-pc (notebook) (s7)interface must be in 187 kby, rack=o, mpi =2, you need open a new project, insert s7-300 station and then 'upload station ', afther this you ( wait a 5 or 10 minutes) have a backup of plc program without of comentary.

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