Siemens SINUMERIK 840Di Manual page 90

2 Hardware Descriptions
2.11 Uninterruptible power supply (UPS)
2.11 Uninterruptible power supply (UPS)
2.11.1 SITOP POWER DC UPS module 15
Order number
Features
2-90
Fig. 2-27 View: SITOP POWER, DC-UPS MODULE 10
Designation
SITOP POWER DC UPS module 15
The SITOP POWER DC UPS Module 15 provides the following features:
S
Compact design
S
Input voltage
S
Nominal output power
S
High efficiency
S
Class of protection (IEC 536; VDE 1006 T1)
S
Degree of protection (VDE 0470, IEC 529)
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 No. (MLFB)
6EP1 931-2EC11
24VDC
240W
approx. 96%
Class III
IP 20
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
06.03