Siemens SINUMERIK 840D sl Commissioning Manual

Configuring the system
2.4 Configuring the SITOP UPS module for use with the PCU Base Software
PCU-Basesoftware (IM8)
Commissioning Manual, 02/2014, 6FC5397-1DP40-4BA0
71
“Fixed buffer time” mode
In this mode, the UPS module always buffers for the pre-selected, fixed period of time. It is
not possible to synchronize the UPS module with the operating system shutdown.
Required settings on the UPS module
On - Off
1 +2V
Cut-in threshold
+22V fixed
2 +1V
3 +0.5V
4 +1V ∘
∘
End-of-charge voltage
+ 26.3V fixed
5 +1V
6 +0.5V
7 +0.2V
8 +0.2V
9 +0.1V
10 0.35A / 0.7A Charging current

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based