S7 400 PLC crash when downloading PDiag

bicester_iron

Member
B
Join Date
Oct 2013
Location
bicester
Posts
2
Hi a couple of times now I've had S7 400's (416F-3 PN/DP) go into stop when downloading PDiag to them. One was Ok with a warm start (stop was due to a 1000mS cycle time called by OB80), the other had all LED's on the front blinking & I could not communicate with it by any means so could not interrogate - ended up replacing it.

Im running Step 7 V5.5 SP3 & PDIAG V5.3 SP6.

I've downloaded PDiag many times to various PLC's with no issues.

Has anybody had similar problems or know of a possible cause?
 

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