[?]: CPU 319 BF3 flashing red

[omar zedan]

Dear All
I have CPU 319 CPU connected to 3 Danfoss drive via profinet
(I connect my laptop to the hab and I found the PLC and the 3 Danfoss "the network is good"),
the BF3 flashing red and the diag. buffer

(IO access error writing P area, word access, Access address 2602 Request OB I/O access error OB (OB122), Priority class 1 External error, Incoming event)

the address 2602 dose not exist in hardware, also the OB122 used.
What can I do to solve this issue?
Thanks

[georg_demmler]

Hello,

what do you expected from the forum ?
That we guess what happens - please put some pictures about the online Hardwareconfiguration so we see the hardware.

What is the Event-ID of the diag. buffer? Is the equipment old or new.

How did you check "network is good".

We need a little bit more information if you want help from the forum.

In German we have a slang - here you have a bone look for the meat.

Thanks

[omar zedan]

Dear georg_demmler
Nice to read from you, here is some meat
I use SIMATIC Manager v5.5 In HW Config when I go online I find all nodes (Profibus and Profinet nodes).
Also, I ping the 3 profinet nodes (after connecting my laptop to the hub) and I get a replay from all nodes.

The event ID is I/O access error, writing.

So sorry I get some problem (I do not able for uploading image in this form therefore I upload the dig. buffer image in link below)
https://mega.nz/file/XAgD2DIJ#t63oxdsji ... JCHmjNqDV0


also project Link is:-
https://mega.nz/file/SFxhFbBI#eBl8_hbE4 ... McxGmXXRjY
https://disk.yandex.ru/d/ZRa8W4J90Si--g
Thanks

[CoMod]

See Cross-reference table - PIW/PQW 2602 is used in FC91

[omar zedan]

Yes, sir, I find this address (also there is PQW 2602), and when I try to use it in a variable table the status field in the variable table shows me nothing just a glass icon with a line inside it.
maybe something out of range? I don't know.
What is the glass icon inside the variable table (Status field)?
and how can I solve this issue?
Thanks

[CoMod]

this program downloaded from PLC

no symbol names
no comments
For decision need full source of Step7 project with symbol names and comments and documentation with schemes

эта программа скачана с ПЛК

нет названий, символьных имён
без комментариев
Для решения нужен полный исходник проекта Step7 с именами символов и комментариями и документация со схемами

[sania]

это пустышка,
сотри букву Р , так и прогу не меняешь и лампочку погасишь
delete "P" in "PIW" / "PQW" it will not change program and correct the error

[georg_demmler]

Hello,

this is my only comment - it is nice to get a program without any symbolic.

So here is what I find - yes the program use the address 2602

Go to the hardware - select the part with the CPU 319 and on the slot X3 you find the CPU-CA140-1. Select this and you find the I-Device the address range
for inputs / outputs from 2600-2663.

But I don't know how its works.

Hope this helps

[omar zedan]

Thanks a lot, friends.

[georg_demmler]

Hello,

some information about your plc.

The program what you send is a I-device - that means you have a master and one (or more) I-devices.

The communication between the I-device and the master is over inputs and outputs.

You definied in the I-device the Inputrange and Outputrange - create a GSD-File and put this GSD-File in the Master-PLC.

You find a very helpful video in YT - Siemens SIMATIC Manager_Communication between two PLC Using I Device option (S7-300/S7-400)

And the read BF light shows, that the Master-PLC is missing.

KHS is a german company and let me guess - the program is working in a liquid area (filling and so on)

Hope this helps.

[omar zedan]

Thanks, Friend
You are right