Ac900F hardware error (hardware module error out of input memory )

Greetings

I do have an AC900F control station with a total number of 1040 I/O

configured as the following:

. 616 DI

. 384 AI

. 40 DI

All the AI had been configured as Pt 100 2 wire

when I do apply this station to the control builder F I do have the following error massage:

[Hardware module "PROF_1_C1" Error :out of input memory (3584):7808. Reduce number of salves and/or max number of inputs bytes]

I do try to change to number of I/O bytes per slave in the module configuration , but error not solved

kindly advice

what is the cause of such error?

what is the solution?

Best Regards

Comments (2) New comment

osama malhy Rank: 15

Asked 5 years ago

Answer this question Follow

Voted best answer

In CBF > HW Tree > Profibus master (@ position C1) > Parameterisation mask > second tab > Number of I/O bytes per slave change Max. no or input bytes according to your configuration, Check image below( in your case it may be CI 930F)

Or reduce the slaves by changing highest bus address to maximum numbers of slave devices you have configured under that profibus master.

you need to optimise between max number of slaves and I/O bytes. or optimise your configuration for slave addresses i.e try to reduce or bring down highest bus address.

Comments (0) New comment