General Introduction to Racks
Original instructions
General
There are various sizes of racks. The following list presents the quantity of slots available for the CPU and modules for each rack reference:
Each rack includes one extra slot that is reserved for the power supply module, and one slot on the right is reserved for the BMXXBE1000 rack extender module.
For further information, refer to the chapter Modicon X80 Racks Description.
Representation of the Racks
The following diagram shows the BMXXPB0400 rack: