Sample Program: S7-1500 Diagnose with DeviceStates block

 THANKS FOR USEFULL TIPS ALLWAYS .

Denilson Pegaia

Hi,

you can drag and drop it from the Instruction tab (right side) division "Extended instruction", folder "Diagnose", name "DeviceStates".

Dear Sir,

Please explain me a little bit more what is the difference between MODE 2 and MODE 5?

SomsakC

Dear Sir,

Please explain me a little bit more what is the difference between MODE 2 and MODE 5?

If you have a IF155-6 with many IO cards installed and you want to generate a alarm in user program called "Common Fault RIO XXX". These alarm shall be generated if any fault is active on the rack, card itself error, channel.. etc.. etc.. if something is wrong..

Is Mode 2 correct to use then?

I have used Mode 5 for communication fault alarm.

Denilson Pegaia

Hi,

here there are the programs in V13 SP1 version

 Hi,

I have 2 question

1. Can the DeviceStates block be used to check the status of non siemens IO device  via profinet?

2. With mode 4, can it be used to detect a disconnection of any already configured device?

raynvd

 I have 2 question

1. Can the DeviceStates block be used to check the status of non siemens IO device  via profinet?

2. With mode 4, can it be used to detect a disconnection of any already configured device?

1:  DeviceStates can be used with any Profinet / Profibus device.

2: have you read the F1 online help on DeviceStates? It states that with mode 4, you can if a slave exists.