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3. ELECTRICAL INSTALLATION 41
FEM1 CAT5 cable colours
X6 CANopen/RS485
1 RX+/TX+ RS485 White/Orange
2 RX-/TX- RS485 Orange
3 CAN H White/Green
4 RS232 Gnd Blue
5 RS232 Gnd White/Blue
6 CAN L Green
7 RS232 Tx White/Brown
8 RS232 Rx Brown
X7
1 RX+/TX+ RS485 White/Orange
2 RX-/TX- RS485 Orange
3 CAN H White/Green
4 RS232 sense Blue
5 RS232 Gnd White/Blue
6 CAN L Green
7 RS232 Rx White/Brown
8 RS232 Tx Brown
Table 3-12. X6/X7 Input/Output Connections
CAN Bus Termination
Systems using CANopen will need to terminate the final X7 output with a 120 ohms quarter
watt resistor connected between X7 pins 3 and 6. A ready-made CAN bus RJ45 terminator
is available as shown in Figure 3-19 (Parker part number ‘ViX-RJ45-G).
pin 1
50mm
Figure 3-19. CAN Bus Terminator