Bhavin017

  thanks @Gambit. its Working on simulation. Will try that logic on machine next week

I checked PLC and Battery is functioning fine. no LED on PLC for battery  

Sorry but I am new in this field so i will ask some stupid question and I ask your pardon in advance. There is one more thing, what about the HMI Switch M635? because as per logic if that switch is off then R7444 value can not copy to D2842. and everytime Eng has to go to Press after power cycle to turn that switch ON. is there any way I can maintain status of that switch?   

let me check with the CPU and parameter and will get back to you. Thanks for your immediate reply @Gambit

@GambitI am using Q13UDEHCPU PLC. Also parameter setting is attached file  

@Gambit sorry for too much delay in reply, but I want to communicate both PLC throgh modbus. and I found the sollution to do so. If anyone wants to know how I did it then I can share it.

I am working on resolving issue in Press Machine where previous engineer has developed logic as per attached file. the atatched screen of HMI can only access by Engineer and only Engineer can set value of SPM (Stroke per minute). Once switch is set on the SPM of any job can not go beyond set value. The issue I am facing it when we power cycle, the switch get off and the register D2842 get SPM back to normal (set as per the die data) not by eng. How I can hold that data after Cycle power?  

I am Working on one project in which I need to communicate 2 Q PLC with the help of QJ71MT91 Module. I want to to know how to setup the communciation with above module.