Cable colors
Suggested method of using the Beckhoff CAN cable on Bus Terminal and Fieldbus Box:
| 
                   BK51x0 pin  | 
                   Pin BK5151 CX8050, CX8051,  | 
                   Fieldbus Box pin  | 
                   Pin FC51xx  | 
                   Function  | 
                   ZB5100 cable color  | 
                   ZB5200 cable color  | 
|---|---|---|---|---|---|---|
| 
                   1  | 
                   3  | 
                   3  | 
                   3  | 
                   CAN Ground  | 
                   black/ (red)  | 
                   black  | 
| 
                   2  | 
                   2  | 
                   5  | 
                   2  | 
                   CAN Low  | 
                   black  | 
                   blue  | 
| 
                   3  | 
                   5  | 
                   1  | 
                   5  | 
                   Shield  | 
                   Filler strand  | 
                   Filler strand  | 
| 
                   4  | 
                   7  | 
                   4  | 
                   7  | 
                   CAN high  | 
                   white  | 
                   white  | 
| 
                   5  | 
                   9  | 
                   2  | 
                   9  | 
                   not used  | 
                   (red)  | 
                   (red)  |