Siemens SIMATIC ET 200M Manual page 212

Configuration of the IM 153-2 with the General Identification Format
You can also configure the IM 153-2 (as of order number 6ES7-2AA02-0XB0,
version 07, and 6ES7-2AB01-0XB0, version 06) with the general identification
format (AKF). This configuration assumes detailed knowledge of the structure of
the general identification format. Use the ID 0x00 for slots 1 to 3.
Warning
!
If you carry out configuration with the general identification format, the quality of
the comparison between the desired and actual configurations at startup of the DP
slave or when modules are removed or inserted is very low. Since there is no type
ID available for the comparison, an incorrect configuration cannot be easily
detected!
Functionality of the Previous Version
If you insert the interface module IM 153-2Bx00
S on a bus module BM IM/IM (6ES7 195-7HD00-0XA0), or
S if you configure the interface module IM 153-2Bx00 as IM 153-2AA02/-2AB01
using STEP 7, or
S if you configure the interface module IM 153-2Bx00 with device master file
revision 2,
the interface module will have the same functionality as an IM 153-2AA02/-2AB01.
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
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Compatibility Between the IM 153-x Modules
9-7