User Manual 08/2003 Edition

02.99 08.03
24 V supply (75 W
motor)
48 V supply (300 W
motor)
Siemens AG 2003 All rights reserved
SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition
2.2 Electrical system requirements
Technical data for the 24 V supply: refer to Chapter 2.6.1
Recommendation for the 24 V power supply:
Use a regulated SITOP power, power supply module to provide the 24
V power supply.
There are units with current ratings of 10 A, 20 A and 40 A.
Reference: /KT101/ SITOP power, power supplies
Catalog
Regenerative feedback protection when braking the motor
refer to Chapter 2.2.3
Technical data for the 48 V supply: refer to Chapter 2.6.2
First recommendation for the 48 V power supply:
Use a regulated SITOP modular 48V/20A power supply module to provide
the 48V load power supply. The SITOP 48 V / 20 A power supply
is a chassis unit.
Order No.: 6EP1 457-3BA00
Table 2-1 Technical data, SITOP modular 48V/20A
Designation Description
Input voltage 3–ph. 230/400 V ... 288/500 V AC
Frequency 50 ... 60 Hz (47 ... 63 Hz)
Output voltage (setting range) 48 V DC 3 %
Output current DC 0 ... 20 A
Degree of protection IP20 acc. to IEC 529
Class of protection I
Dimensions (W x H x D) in mm 240 x 125 x 125
L+
SITOP modular
M
48 V
2 Installing and Connecting–up
Regenerative
feedback
protection
(e.g.
DC-PMM)
48 V
Fig. 2-5 SITOP modular 48 V / 20 A with regenerative feedback protection
Reference: /SI1/ SITOP modular 48 V / 20 A power supplies
Operating Instructions
Regenerative feedback protection when braking the motor
refer to Chapter 2.2.3
M
2-29
2