S5 PLC Error

isteak007 · Sep 16, 2010

Dear Experts,
i have a S5 135U/155U cpu 928b

If I power up the system the Run led is off .QVZ & BASP led is on.

Digital Input led is ON but All digital output led is off

i connect step5 with cpu. upload my backup program (s5d). no problem to upload,but still same error.

Here is the photo--

CPU

http://i54.tinypic.com/i6e2ih.jpg

Digital input and output card.JPG

http://i53.tinypic.com/211sz2c.jpg

Error

http://i55.tinypic.com/k53eja.jpg

Error

http://i54.tinypic.com/2lng3dv.jpg

My Zennon SCADA is working fine.
Now, Please, tell me, is it a hardware fault??
and how could i find out the faulty card?

Thanks in Advance
ISteak

L D[AR2P#0.0] · Sep 16, 2010

Use your programmer to examine the stack. Link to S5 stack info as follows:

http://www.plctalk.net/qanda/showpost.php?p=293553&postcount=6

isteak007 · Sep 16, 2010

L D[AR2 said:
Use your programmer to examine the stack. Link to S5 stack info as follows:

http://www.plctalk.net/qanda/showpost.php?p=293553&postcount=6

stack error

http://i55.tinypic.com/k53eja.jpg

http://i54.tinypic.com/2lng3dv.jpg

what does that mean?

Manglemender · Sep 16, 2010

When you are in the Istack Screens, you hold down the shift key and press the right arrow button to go between each bit that is set. From the second screen, pressing the edit button will normally open the block in the editor with the cursor on the instruction following the one that caused the error.

You seem to have a PEU error which is likely to be a problem with a connection to an extension rack or a terminator on the extension rack comms cards.

Check all the connections and power supplies to the extension racks and then try a manual cold start of the processor.

Good luck

Nick

KalleOlsen · Sep 17, 2010

@isteak007
Your ISTACK has probably more to show if you press the continue key.

The linked page only shows the 7003-command that means STP, also the CPU is commanded to stop.

Kalle

isteak007 · Sep 17, 2010

from my s5d program

it has 316 blocks

if i transfer all block to PLC Stop, BASP, QVZ Led is ON

and all output led is off but input led is on

if i delete OB13 & OB20 block from PLC then, Stop & QVZ led is off. Run & BASP LED is ON
(see attached s5d on zip)
i already try cold warm reset

now can you tell me how can i solve my problem??

which card is faulty digital input card or digital output card or...........??

i checked 24v in output it is all right but why there is no led on in digital output?

if 1 digital output card is faulty then every digital output card will stop working??

PLEASE TELL ME HOW CAN I SOLVE MY PROBLEM??

THANKS
ISTEAK

L D[AR2P#0.0] · Sep 17, 2010

Do you understand what a QVZ error is ?

isteak007 · Sep 17, 2010

qvz means cant complete a cycle
timeout

L D[AR2P#0.0] · Sep 17, 2010

Suggest you call in Siemens.

moggie · Sep 17, 2010

KalleOlsen said:
@isteak007
Your ISTACK has probably more to show if you press the continue key.

Kalle

Have you done this? - post screen shot.

Manglemender said:
You seem to have a PEU error which is likely to be a problem with a connection to an extension rack or a terminator on the extension rack comms cards.

Check all the connections and power supplies to the extension racks and then try a manual cold start of the processor.

Nick

Have you checked the extension racks power supplies?
Can you attach your program?

isteak007 · Sep 18, 2010

moggie said:
Have you done this? - post screen shot.

Have you checked the extension racks power supplies?
Can you attach your program?

Yes i checked the extension rack power supplies....

i attached my s5d program

Waiting for you reply.....

moggie · Sep 18, 2010

isteak007 said:
Yes i checked the extension rack power supplies....

Waiting for you reply.....

From your screen pictures it shows an error occured in FB57.
From your program FB57 loads Perhipheral Byte ( L PY 0) however the byte accessed is determined by a "Pointer" in the line before the Load command (DO FW202)
Have you checked all the supplies to the cards - some cards have more than one supply to them?

isteak007 · Sep 18, 2010

yes i check all of this

moggie · Sep 18, 2010

[/quote]

isteak007 said:
yes i check all of this

Please explain how you checked this.
Have you any spare cards? - you could try changing them one at a time!!

S5 PLC Error

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