plc program
Using S7300 313C CPU plus IM365 extended a frame of.313C comes with its own 24DI16DO and 5AI/2AO analog input and output, see the manual configuration above CPU can be placed behind the 8 modules, would like to ask, CPU integrated I/O surface to exclude? No matter what CPU can be placed back 8 modules (on … Continue reading S7-300 hardware configuration and module power consumption calculation method
These days with DP network jump problem: should be a few remote IO station off the station after a very short period of time to recover automatically, because these IO security module on the station, so will lead to part of the emergency shutdown, and from the perspective of diagnostic information (multi 16#3942 16#3842), the … Continue reading DP network flash jump – how to diagnose system
405-OKA01-0AA0 AS4 PS 6ES7 and405-OKA01-0AA0 AS400 PS 6ES7Is there anything different in the two models?Best answerThis is the 400 system of DC power supply moduleThe two order number you posted on the top is the same.Is not posted on the wrongAnd now the DC input 10A specifications of the power module to upgrade to 6ES74050KA020AA0 … Continue reading 6ES7 405-OKA01-0AA0 AS4 PS
Recently the communication between two PLC, if you use SIEMENS's own words each cable programming procedure is very troublesome, for which a PLC after pulling down into another PLC again under the corresponding procedures, and online modify variable values and also not easy, so I would like to ask how to at the same time … Continue reading How to use a computer to achieve the same time on the two PLC access?
A 300PLC CPU 314C-2DP the master station and three sets of 200plc CPU 226 DP network from a station group, communication module is EM277. Preliminary 300plc and 200plc Group DP network hardware is configured to download properly, but when more than two 200plc network, after downloaded into 300 (OB blocks without programming, hardware configuration only) … Continue reading 300plc master and 200PLC as slave station group DP network related issues
For example, start, run 1H, stop 2H continues to run cycling 1H after such reciprocating motionThe best answerDirectly after this when the motor is running SM0.4 a minute pulse trigger an address added 1. When added to 60 motor stops, you can. Motor stops after running 2Hcan also be written like this
CPU224xp to run, RUN and STOP switch back and forth, re-download and then well,don't know whether this is the case.The best answerYou mean your PLC running times before failure, and when machine is it? If this is the case, even if you are normal, there will still be a problem in the future.Because is now … Continue reading CPU224xp in the running state, switching back and forth in RUN and STOP What is going on
1th: communication is what?Essentially communication ports around the combination of high and low level, to achieve 0 1 codes delivered between two devices, 0 is low level, 1 is high. Now, if I have a PLC and inverter communication, then the fact is hardware and cables throughthe communications port of the inverter produces combinations of … Continue reading SMART PLC S7-200 communication portal common knowledge to answer
Now the Wincc2008B version of the HMI format but read-only touch screen came out of the file is PSD format coming from the touch screen PSD format and then into the touch screen in how to rewrite the program now in touch screen can backup and restore how to pass in the endBest answerOnly in … Continue reading TP270-10 touch screen backup files can be rewritten?
PLC user program is designed according to the process control requirements of the control system, the design of the PLC programming language. Industrial control programming language standard (IEC1131-3) based on the international electric commission. PLC programming language includes the following five kinds: ladder diagram language (LD), instruction list language (IL), function module diagram language (FBD), … Continue reading Five standard programming languages for PLC
PLC ONE 