slave not existent in CI840A
can you help in the above link
Please check the following:
1.modules are properly connected & locked.
2.check the profibus connection if connection is terminated at the master end itself if so make it off.
3.Check module is defined in the control builder & downloaded.
4.Check the slave address setted(rotory switch) & position defined in control builder both should be same.
In addition to above,
1) I suggest you to use Profibus Analyzer so that any problem in profibus route is detected
2) Check the status of Profibus Master in Control builder
3) Check whether Rotary Switch in CI840 is in correct position as mentioned in Control Builder
4) You can check whether Proper firmware is loaded in CI840 as per Hardware.