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Hi dear friends, i'm working with a Siemens PLC LOGO 8 (OBA8) that connected to a Wientek HMI model MT7081IE via Network. and my Problem: i'm trying to get the PLC LOGO time for displaying and editing on the HMI panel, i know that the Time address in the plc logo8 is VM988 and VM989 and VM990 (Hour:Minute:Second) but in easy boilder when i selected an Numerical object there is only VD and VW variables available to select and there is not VM selection (Please see the attached picture). thats way i select VW pisition with the same position Number (for example VW988) for get the Hour value and it's displays a big binary number that contains Hour and minute value in binary, also i can find that witch characters are for hour value and witch one are for minutes value. Please help me that how can i separates the characters and dispalys them into another numerical objects? or another ways to get time values from the OBA8 and displaying on the HMI. Thanks and Regards Saber
Hi I just buy brand new 6ed1052-1md00-0ba8 (Logo 8) PLC and a USB-PPI logo cable from tradeindia.com, I am a embedded system hobbyist and fond of exploring embedded system things such as microcontrollers, FPGAs/CPLDs etc, but this time I want to try PLC. Now my problem is that I am a pure newbe to PLCs, I have a 12 V 1A DC adaaptor can I use it as PLC power supply? and input for switches? How to program my Ladder logic, function block to my plc using PLC Cable (USB) and Ethernet cable. ? Can I use Logosoft7 or only version 8 ? is my usb-ppi cable is useless, can i program my plc by my usb-ppi cable Please guide me how to get start with my PLC?, is there any step-by-step tutorial? because I googled tutorials, getting started but i am confused. Please reply soon Thanks in advance.