Functions
8.7 Communication via USS
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
8-23
Short branches are possible to connect the devices. Up to 31 inverters can be integrated as
slaves into a network with a PLC as master.
56
&8
&8
&8
56
56
*
*
*
0DVWHU
56WHUPLQDWRU
6FUHHQLQJ
6FUHHQLQJ
6FUHHQLQJ
56WHUPLQDWRU
Figure 8-16 USS network
Cable Lengths and number of devices
Table 8-8 Max. number of devices and max. cable length
Baudrate in bit/s Max Number of Devices Max Cable Length
9600 32 1200 m
19200 32 1200 m
38400 32 1200 m
57600 32 1200 m
187500 30 1000 m
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