Siemens SITOP UPS1100 - Page 93

Engineering and remote access
3.5 SIMATIC STEP 7
SITOP UPS1600 / BAT1600 / UPS1100
Equipment Manual, 07.2021, A5E37775406-11-76
93
5. Click the desired subgroup.
The subgroup opens.
6. Enter the values.
7. Confirm your entry by clicking on "OK".
The parameters are stored in the project.
Buffer parameters
Parameter
Value range
Default setting
Buffer time [s]
1 … 32767 s
600 s
Additional buffer time after PC shutdown
1)
[s]
1 … 300 s
60 s
Connection threshold [V/100]
21 … 25 V
22.5 V
Discharge cut-off voltage [V/100]
18 ... 23 V
18.5 V (for LiFePO4 battery 20.5 V)
Wait time for stable input voltage [1 ms]
200 … 65,000 ms
1000 ms
Downtime alarm [1 ms]
0 … 20,000 ms
125 ms
Buffering allowed
Yes / No
Yes
Enable reset after buffering
Yes / No
No
1)
valid from V2.0.4 or V2.1
• Buffer time
Length of time during which the system should be buffered by the SITOP UPS1600.
• Additional buffer time after PC shutdown
Time during which the system should be buffered by the SITOP UPS1600 after the PC was
shut down.
• Connection threshold
If the connection threshold value is fallen below, the SITOP UPS1600 starts buffering. If