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FAIL SAFE ERROR QUERY...

6/15/2010 8:21 AM	Rate (0)
PRADEEP PRABHU Posts: 14 Rating: (0)	HI ALL,,,,, WE HAVE AN FAIL SAFE SYSTEM WITH CPU 317F 2PN/DP....... IN SYSTEM WE ARE FACING SOME PROBLEMS AS LISTED BELOW..... 1. HOW TO CALCULATE F-MONITORING TIME FOR MODULE 4/8F-DI DC 24V-6ES7 138-4FA04-0AB0 2.IN RUNNING SYSTEM SUDDENLY ERROR MESSAGE WILL APPEAR AND SYSTEM WILL GO TO STOP MODE ,ERROR MESSAGE IS "SLOT CANNOT BE ADDRESSED" & ,MODULE IS 4F-DO-DC 24V/2A-6ES7138-4FB03-OAB0 ITS URGENT PLEASE WITH BEST REGARDS PRADEEP PRABHU B
PRADEEP PRABHU Posts: 14 Rating: (0)
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6/15/2010 10:08 AM	Rate (0)
yy1 Posts: 535 Rating: (112)	Dear PRADEEP PRABHU, ad 1) for the monitoring-time have a look at this link (tab min. F-Monitoring times). You have to define the value in the HW-Configuration. It must be higher as the cycletime of the calling OB. ad 2) did you set the DIP-switch of the module to the correct adress? Best regards, yy1
yy1 Posts: 535 Rating: (112)	Last edited by: yy1 at: 6/15/2010 10:25 AM
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6/15/2010 11:00 AM	Rate (0)
PRADEEP PRABHU Posts: 14 Rating: (0)	thank u YY1.... YEAH DIP SWITCH EVERYTHING IS CHECKED.... ANND SYSYEM was running very fine..... suddenley error started to appear(problem 2) with best regards pradeep prabhu b
PRADEEP PRABHU Posts: 14 Rating: (0)
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6/15/2010 9:11 PM	Rate (0)
jklm Posts: 1742 Rating: (309)	Hello, I wonder if the error is "failsafe" related. "Slot cannot be addressed" is an error that could appear with any type of module. Try to replace the module, if it does not help, the terminal module also.
jklm Posts: 1742 Rating: (309)
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6/29/2010 2:03 AM	Rate (0)
Sam S. Posts: 15 Rating: (2)	Try increasing your F-Monitoring time, also make sure the network scan time is not too fast especially if you have a large and/or wireless network
Sam S. Posts: 15 Rating: (2)
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