Distributed I/O Instructions; Working With As-I Online Tools - Siemens S7-1200 System Manual

10.4.3

Distributed I/O instructions

Refer to "Distributed I/O (PROFINET, PROFIBUS, or AS-i)" (Page 314) for information on
how to use the distributed I/O instructions with these communication networks.
10.4.4

Working with AS-i online tools

Changing AS-i operational modes online
You must go online to view and change the AS-i operational modes.
In order to go online, your must first be in "Device configuration" with the AS-i master
CM1243-2 module selected, and then click the "Go online" button in the toolbar. Next, select
the "Online and diagnostics" command from the "Online" menu.
There are two AS-i operational modes:
● Protection mode:
● Configuration mode:
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
– You cannot change AS-i slave device and CPU I/O addresses.
– The green "CM" LED is OFF.
– You can make required changes in your AS-i slave device and CPU I/O addresses.
– The green "CM" LED is ON.
Communication
10.4 AS-i
585