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Entry type: Product note Entry ID: 7145954, Entry date: 04/02/2001

S7-300 Analog Modules With New Version and New Order No.

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The analog modules listed below have been revised and are now available with new order no.'s. An upgrade is not available.


Previous Order No.

New Order No.

SM 331, 2 x 12 bits, isolated

6ES7 331-7KB01-0AB0

6ES7 331-7KB02-0AB0

SM 331, 8 x 12 bits, isolated

6ES7 331-7KF01-0AB0

6ES7 331-7KF02-0AB0

SM 331, 2 x 12 bits, isolated, extended temp. range

6ES7 331-7KB81-0AB0

6ES7 331-7KB82-0AB0


The new modules are functionally identical and fully compatible. They will replace the previous types, which sometimes showed an incorrect response in conjunction with PCS7 when evaluating the diagnostics interrupts. 

Please note that the modules with the new order no. are contained in the Hardware Catalog of STEP7 version 5.1 and higher. If you use an earlier version of STEP7 without the new order no.'s, please use the order no. of the previous input module for configuration.

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