Connecting A Cu240S Via Uss - Siemens SINAMICS G120 Operating Instructions Manual

4.4

Connecting a CU240S via USS

RS485 Interface
The built-in connector is a 9-way SUB-D female connector for RS485.
Table 4-5
Pin
1
2
3
4
5
6
7
8
9
X
The following connectors can be used for USS connection. Via the switches on the
connectors the RS485 termination can be activated.
Table 4-6
Order Number
PG socket
Max. baud rate
Terminating resistor
Outgoing cable unit
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
9-way SUB-D connector for RS485
Signal (drive side) Comment
Screen Potential equilisation
- Unused
RS485P Receive- and transmit signal (+)
- Unused
0 V Ground reference
5 V Supply voltage (output from drive or provided to drive from external)
- Unused
RS485N Receive- and transmit signal (-)
- Unused
Screen (casing) Potential equilisation
Recommended PROFIBUS connectors
6GK1 500-0FC00
No
12 Mbaud
On/Off switch
180°
Installing/Mounting
4.4 Connecting a CU240S via USS
6GK1 500-0EA02
No
12 Mbaud
On/Off switch
180°
4-17