Siemens SINUMERIK 840Di - Page 90

06.03
2.11 Uninterruptible power supply (UPS)
2-90
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.11 Uninterruptible power supply (UPS)
2.11.1 SITOP POWER DC UPS module 15
Fig. 2-27 View: SITOP POWER, DC-UPS MODULE 10
Designation Order No. (MLFB)
SITOP POWER DC UPS module 15 6EP1 931-2EC11
The SITOP POWER DC UPS Module 15 provides the following features:
S Compact design
S Input voltage 24VDC
S Nominal output power 240W
S High efficiency approx. 96%
S Class of protection (IEC 536; VDE 1006 T1) Class III
S Degree of protection (VDE 0470, IEC 529) IP 20
S Absolutely uninterruptible mains buffering
S Immediate electronic connection of the accumulator once the load voltage or
the voltage present between the connections L+/M of the DC-UPS module
falls below the value of the connection threshold (18 to 26V).
Order number
Features
2 Hardware Descri
p
tions