Hardware Descriptions
2.11 Uninterrupted power supply (UPS)
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
89
USB interface
The USB interface corresponds to specification 2.0. Communication is however only
performed at "full speed" corr. to 12 Mbaud. A commercial type four-core shielded USB
cable with a maximum cable length of 3 m can be used.
Table 2-12 Signal assignment of USB connector
Pin
Signal
Description
1
VBUS
Power supply
2
D-
Transmitted data
3
D+
Transmitted data
4
GRD
Ground
2.11.2
SITOP POWER ACCUMODULE 24 V DC/10 A/3.2 AH
Figure 2-21 View: SITOP POWER lead-acid battery module