Siemens SIMATIC ET 200M Operating Instructions Manual page 4

Preface
Changes compared to the previous version
Compared to the previous version of these "Distributed I/O device ET 200M" operating
instructions with drawing number EWA-4NEB780600601-07, edition 02/2006, the following
changes have been made:
The IM 153-4AA01 Interface Module offers the following new functions:
• Isochronous real-time communication Class 2
• Prioritized startup
• Operation without removable data storage medium (SIMATIC Micro Memory Card)
• Device replacement without removable data storage medium / programming device
• Changing IO devices during operation (changing partner ports)
In addition, the product information from 01/2007 to 08/2007 accompanying the operating
instructions has been integrated into the operating instructions.
Approvals
See section "Standards and approvals".
CE approval
See section "Standards and approvals".
Marking for Australia (C-Tick mark)
See section "Standards and approvals".
Standards
See section "Standards and approvals".
4
Operating Instructions, 04/2022, EWA-4NEB7806006-09
ET 200M