SIEMENS PLC rail has 160480530830, four lengths, how to choose? Which is the longest? Is the rail length selected according to the width and quantity of the module? How many modules can be installed in 830? How to quickly select the guide rail?
I can find cheaper, O (a _ U) O hahaha.
The 0 frame PLC (power supply, CPU module of the rack) can install 11 module (including power supply, CPU, IM, CP and other modules) even if the length of the guide rail can not continue the rich decoration, must be extended to expand the use of IM module (1 frame). Extension racks can be installed with 9 modules, and if you don't have enough, you can continue using IM and continue to expand.
830mm, 10, there's nothing wrong with it
