Siemens CPU 313C Hardware And Installation Manual page 83

 ,QVWDOOLQJ 0RGXOHV RQ WKH 5DLO
5HTXLUHPHQW IRU LQVWDOOLQJ WKH PRGXOH
• Configuration of the automation system is complete.
• The rail is installed.
2UGHU RI WKH PRGXOHV
Snap the modules onto the rail, starting at the left and in the following order:
1. Power supply module
2. CPU
3. signal modules, function modules, communication modules, interface modules
1RWH
If you install SM 331 analog input modules, please check EHIRUH installation
whether you have to reposition the measuring range submodules at the side of the
module. See Chapter 4 on analog modules in the 0RGXOH 'DWD Reference Manual.
1RWH
If you want to create the S7-300 with a floating reference potential, you must
establish this state on the CPU, ideally before you attach it to the rail. The section
entitled &UHDWLQJ DQ 6 ZLWK IORDWLQJ UHIHUHQFH SRWHQWLDO contains the
necessary instructions.
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
,QVWDOODWLRQ
6-7