SSB and COM interface
The basic BX controller module the COM1, COM2 and SSB (Smart System Bus) interfaces. A D-sub socket is used for COM1 and COM2. A special programming cable (ZK1000-0030) for connecting the two interfaces is available from Beckhoff. The COM2 interface is intended for the connection of serial devices. For the COM2 interface, you can choose between RS232 or RS485.
Libraries are available for the serial COM2 interface.
SSB interface
SSB interface assignment (plug connector X00)
|
PIN |
Signal |
|---|---|
|
1 |
reserved |
|
2 |
CAN low |
|
3 |
GND |
|
4 |
reserved |
|
5 |
Shield |
|
6 |
GND |
|
7 |
CAN high |
|
8 |
reserved |
|
9 |
reserved |
COM1 (RS 232) and COM2 (RS 232/485) interface
COM interface assignment (socket X01)
|
PIN |
Interface |
Signal |
|---|---|---|
|
1 |
COM2 |
RS485 D+ |
|
2 |
COM1 |
RS232 TxD |
|
3 |
COM1 |
RS232 RxD |
|
4 |
VCC +5 V |
VCC |
|
5 |
GND |
GND |
|
6 |
COM2 |
RS485 D- |
|
7 |
COM2 |
RS232 RxD |
|
8 |
COM2 |
RS232 TxD |
|
9 |
GND |
GND |