2
2.2 Electrical system requirements
2-39
E Siemens AG 2013 All Rights Reserved
SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
The maximum number of positioning motors that can be connected to a
DC PMM depends on the current carrying capacity, the coincidence
factor of the regenerative feedback and the regenerative feedback
energy.
If 1 Power Management Module is not sufficient to convert the braking
energy, then an additional supply line with an additional DC–PMM
(75 W/300 W) must be provided – or a Power Management Module
Extension DC–PMM_E/48V (300 W) can be used.
The DC–PMM_E/48 V is connected between the DC–PMM/48V and
the first SIMODRIVE POSMO A.
The DC–PMM_E/48V cannot be used as an autonomous (standalone)
device. It only operates in a group with the DC–PMM/48V.
Type Order No. (MLFB)
DC–PMM_E/48V 9AL2137–2BA00–1AA0
Note:
Operating Instructions in German and English
are provided with the Power Management
Module (DC–PMM_E/48V).
Fig. 2-10 Power Management Module Extension (DC–PMM_E/48V)
Functions, features and technical data
(group, DC–PMM/48V and DC–PMM_E/48V):
S Additional regenerative feedback protection
S Max. continuous motoring current capacity: 25 A
S Ambient temperature: 0...55 _C
S Continuous power: 45 W
S Maximum energy drawn: 120 Ws
S A maximum of one DC–PMM_E/48V in combination with a
DC–PMM/48V may be operated.
Power
Management
Module Extension
(DC–PMM_E/48V)
2 Installing and Connecting–Up
02.9906.0506.05
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