#Siemens simatic s5 135u year build manual#
Using this Manual The S5-135U/155U PLC is a member of the family of SIMATIC S5 programmable (logic). Hello allAs i read many topics in this forum about my issue, i have conclude that in order to communicate with my PC and the CPUs S5 135U - S5 115U, I need the communication cable with order number 6ES5734-1BD20. The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. Power Supplies for Control Systems with SIMATIC S5.
For more than 165 years, the name Siemens has been synonymous with internationality. It will contain the information about the memory allocation in your CPU which you need to reference to work out what memory area the BR register points too (as well as helping you with understanding these type of instructions). China 6ES5 312-3AB31 Simatic S5-135U/155U IM312 including Cable.6ES5. I suggest you also search for and download the manual for your specific 135U CPU from this Siemens site. This information is missing from your code snippet and the BR Register is typically loaded with an absolute memory address via the MAB instruction so have a look for that instruction.
#Siemens simatic s5 135u year build how to#
In order to work out how to replace this S5 instruction in an S7, you need to first determine what the contents of the BR register is. LRD adds the specified constant to the value in the BR register and then loads the doubleword from the absolute memory location addressed in this way into ACCU 1 (LRW works in the same way but loads words instead of doublewords).
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