Can Interface - maxon motor EPOS4 Module 50/5 Hardware Reference Manual

3.4.11
3.4.11.1
The EPOS4 is specially designed being commanded and controlled via a Controller Area Network
(CAN), a highly efficient data bus very common in all fields of automation and motion control. It is prefer-
ably used as a slave node in the CANopen network.
Module
Header Pin
Table 3-58
Standard
Max. bit rate
Max. number of CAN nodes
Protocol
Identifier setting
Note
• Consider the CAN master's maximal bit rate.
• The standard bit rate setting (factory setting) is 1 Mbit/s. For connector boards and Compact ver-
sions, automatic bit rate detection is set.
• Use 120
• For detailed CAN information
maxon motor control
EPOS4 Positioning Controller
EPOS4 Module/Compact 50/5 Hardware Reference

CAN Interface

Connection
Compact/CB
Connector
Pin
X11 | 1
B35
X12 | 1
X11 | 2
B36
X12 | 2
X11 | 3
B37
X12 | 3
X11 | 4
–
X12 | 4
CAN bus line / CAN 1 / CAN 2 – Pin assignment
Ω
termination resistor at both ends of the CAN bus.
Document ID: rel8003
© 2018 maxon motor. Subject to change without prior notice.
Signal
CAN high CAN high bus line
CAN low CAN low bus line
GND Ground
Shield Cable shield
CAN interface
ISO 11898-2:2003
1 Mbit/s
127/31 (via software/hardware setting)
CiA 301 version 4.2.0
Module
Compact

separate document «EPOS4 Communication Guide».
Edition: May 2018
Connection Specifications
Description
By external wiring or software
By DIP switch or software
Setup
3-65