Number of permitted modules

Module

Module bus

Maximum number of
modules in the axis system

MDP90A.. power supply modules size 2 and larger

✔

––1
See chapter MDP90.. power supply module with braking resistor

MDP92A.. power supply modules

✔

See chapter MDP92A.. power supply module with controlled DC link voltage

MDE90A.. DC/DC converter modules

✔

4

Axis modules MDA90A.. and MDD9.A..

✔

15

MDS90A.. switched-mode power supply module

–

6

Master module UHX45A/MDM90A

–

1

MDE90A.. DC/DC converter modules can be connected in parallel to increase the performance. For more information, refer to the addendum to the product manual, part number 31978150.

The number of modules is limited to a maximum of 16 module bus devices. The MDP9.A.. power supply modules, the MDE90A.. DC/DC converter modules, and the MDA90A.. and MDD9.A.. axis modules are modules with a module bus connection. One MDD9.A.. double-axis module counts as a single module bus device.