Lenze 9400 Manual - Manual (Page 180)

Multi-axis controllers
Mechanical installation
Important notes
5
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180 EDS94SPP101 EN 7.1
Arrangement of the devices
SSP94PN200
Fig. 5-6 Arrangement concept

Note!
Axis modules E94AMxE0324 and installation backplane E94AZPM0324 can
only be connected directly to each other! A use with another device or
installation backplane of size 3 is not permissible and is prevented through a
plug protection.
Please consider this when planning drive systems where the devices are
mounted side by side.