s7 300 Using compare func, for analog input to control 3 valves in series
Dears I am facing problem to apply compare function with load cell analog input to control 3 valves: whereas I have one load cell under three bins for three different materials: when start button is...
View ArticleCommunicating with 226 CN cpu via step7 microwin v4
I have Chinese machine which has 226CN cpu I'm trying to communicate with it to upload the current program and maybe modify it. But I can't communicate with it I'm using Chinese cable rs 232 to usb...
View ArticleTIA Portal for beginners
If you learn more quickly after watching videos about PLC like reading the literature without example, then these videos can help you if you are a complete beginner. Enjoy it (If this is against the...
View Articlehow to upload project from cpu1215c v4.3 to tia v14?
we have a machine with cpu1215c 6ES7215-1HG40-0XB0 firmware v4.3 and the cpu has been programmed with tia portal v14 sp1. we do not have the source of project and we just want to upload it. now when...
View ArticleTIA Portal Installation "Log File Error"
Hi everyone ! I have downloaded all the file of TIA Portal of Step 7 professional and Wincc Professional V15 from siemens support website. But when I run the exe file of setup it gives me LOG File...
View ArticleSiemens WinCC 7.0 SP3 SCADA Value Freezing
Dear All, We are using Siemens WinCC 7.0 SP3 SCADA software. We are using two Redundant SCADA Computers that are communicating with PLC (CP-343 module) via Ethernet. One Ethernet cable from each PC is...
View ArticleS71500R/H MRP ring to S7400 DP Master Connection
Hello, does anyone know the best connection method between an S71500R/H profinet MRP ring (2 x S7 1500R controllers in redundant profinet ring) and an S7400 DP Master ?
View ArticleS5 STL to ladder question
Hi, I have the following STL code in an old S5 processor, can someone tell me if I've transcribed it to ladder correctly please? :O F11.0 :O F11.1 :( I81.6 :AN F11.2 :AN F11.2 :O...
View ArticleS7-300 with Fatek
I am using S7-300 CPU 314 IFM, and I have to communicate with Fatek PLC How can I? What I think is : The common protocol is RS485 - Modbus RTU in which they can communicate but i don't know how...
View ArticleEncountering my first Siemens PLC
I've worked Automation for 35 years with Toshiba PLCs, Omron PLCs, Koyo PLCs, Allen Bradley PLCs, Automation Direct PLCs and Schneider Modicon PLCs. But I now recently ran into my first Siemens PLC....
View ArticleSIMOTION D435-2 and AB 1756-L72S
A new poster is asking the AB Team for help with an AB-Siemens Communication Issue. I'm posting a link here so maybe the Siemens Crew can advise as well. BobLfoot
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Siemens PLC board for test input /output
Hello all I have a Siemens S7-300 CPU 315-2DP, CP343-2P and ASI module .AC2459 I want to using it for test input output . as show in below picture i am new with PLC Siemens and tryed to configuration...
View ArticleMicromaster 420 parameter downloading
Hi, I uploaded a parameters from Micromaster 420 with firmware version 1.20 thru Pofibus and try to download the parameters to a new Micromaster 420 drive with firmware version of 1.31. My problem is...
View Articlecommunication of hmi and plc
Hi guys, I want to communicate simatic hmi ktp400 basic with compactlogix L24ER. Can anyone help me with it ?
View ArticlePCMCIA Card (CP5512)
Greetings citizens! I have a very old laptop with a PCMIA port. In this port I connect the Siemens CP 5512 card to be able to connect with s7-200 series PLCs. However, I am afraid that the computer...
View ArticleSiemens S7-1200 & drives series in Labview
R/All I want to ask whether its possible to connect Siemens PLC & drive in labview w/o OPC drivers. Or any alternative (free) to connect it in labview software. Thanks in advance.
View ArticleMPI Connection problem
Hi there. Recently I've experienced problems when connecting to a S7-300 PLC via MPI/PROFIBUS. I use a PG with CP5711 processor. The thing is that I'm able to connect when I plug the...
View ArticleOne bistable valve without contactor need of a holding circuit
Hello Savvy! Can you pls advise on how to use FBD so this rod cylinder is working? There are two solenoids, Tx a million Ms Newbie
View ArticleHelp Logo!8 to HMI Alarms
I have an existing LOGO!8 and im adding a HMI (SImatic HMI KTP400). i want to bring up an alarm based on the status of a Flag in the PLC. i can see that i cannot address an alarm to a Bool Tag. so my...
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