Canopen Interface; Connection And Display Components; Bus Led; Pin Allocation Can [X4] - Festo CiA 402 Manual

2 CANopen
2.2

CANopen interface

The CAN interface is integrated in the motor controller and is thus always available. The CAN bus con-
nection is designed as a 9-pin D-sub plug connector in accordance with standards.
2.2.1

Connection and display components

The following components can be found on the front panel:
– Status LED CAN / bus
– 9-pin D-sub plug connector [X4]
– DIL switches for terminating resistor, transmission rate, CAN activation, Node ID (CAN address).
2.2.2

Bus LED

The Bus LED on the motor controller displays the following:
LED Status
off no telegrams are sent
lights up yellow telegrams are sent
Tab. 2.1 Bus LED
2.2.3

Pin allocation CAN [X4]

[X4] Pin no.
6
7
8
9
Tab. 2.2 Pin allocation for CAN interface [X4]
CAN bus cabling
When cabling the motor controller via the CAN bus, you should unconditionally observe
the following information and instructions to obtain a stable, trouble free system.
If cabling is improperly done, malfunctions can occur on the CAN bus during operation.
These can cause the motor controller to shut off with an error for safety reasons.
Festo – GDCP-CMMS/D-C-CO-EN – 1404NH – English
Designation
1 –
CAN-GND
2 CAN-L
CAN-H
3 CAN-GND
–
4 –
–
5 CAN shield
Value Description
– Unused
– Load
– Negative CAN signal (Dominant Low)
– Positive CAN signal (Dominant High)
– Load
– Unused
– Unused
– Unused
– Screening
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