Entry type: Product note Entry ID: 4124225, Entry date: 08/27/1996
IP 252-3AA13/21 Closed-Loop Control Modules -
_New Revision Levels _ Concerns products with the Catalog Nos.: 6ES5 252-3AA13 IP 252 closed-loop control module 6ES5 252-3AA21 IP 252 special 12 MHz version _Reason for the change:_ As a result of component tolerances, the analog inputs of the IP 252 in some cases do not comply with the operational limits of +- 0.17 % at 0 to 55 deg. C, as stated in the technical specifications. _Upgrading:_ If you should experience the problem, please speak to your SIMATIC contact at your local Siemens office about an upgrade. The new revision levels are: A07 for IP 252-3AA13 and A04 for IP 252-3AA21. ------------------------------
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