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maxon motor control
4-18
Document ID: rel2895
MCD EPOS P Programmable Compact Drive
Edition: December 2011
MCD EPOS P 60 W Hardware Reference
© 2011 maxon motor. Subject to change without prior notice.
4.1.3
RS232 Communication
Connection of Positioning Controller to PC
Note
• The RS232 port serves as programming interface using maxon motor’s programming tool «EPOS
Studio». It can not be used by the application program.
• Consider your PC's serial port maximal baud rate.
• The standard baud rate setting (factory setting) is 115'200 bauds.
4.1.4
CAN Communication
Connection of Positioning Controller to CAN Bus Line CiA DS-102
Note
• Consider CAN Master’s maximal baud rate.
• The standard baud rate setting (factory setting) is 1 Mbit/s.
• Use termination resistor at both ends of the CAN bus.
• For detailed CAN information
separate document «EPOS Communication Guide».
EPOS RxD
Gnd
EPOS TxD
Gnd
Connector [J2] Pin [1]
Connector [J2] Pin [2]
Connector [J2] Pin [3]
Connector [J2] Pin [4]
Max. input voltage
±30 V
Output voltage
typically ±9 V @ 3 k
Ω
to Ground
Max. bit rate
115 200 bit/s
Internal RS232 driver/receiver
EIA RS232 Standard
MCD EPOS P 60 W
PC Interface (RS232), DIN41652
Connector [J2] Pins [2] / [4] “GND”
Pin 5 “GND”
Connector [J2] Pin [1] “EPOS RxD”
Pin 3 “PC TxD”
Connector [J2] Pin [3] “EPOS TxD”
Pin 2 “PC RxD”
CAN high
CAN low
Gnd
Connector [J2] Pin [6]
Connector [J2] Pin [7]
Connector [J2] Pin [4]
Standard type
CAN high-speed ISO 11898 compatible
Max. bit rate
1 Mbit/s
Max. number of CAN nodes
127
Protocol
CANopen DS-301 V4.02
CAN ID
LSS CiA DSP-305
MCD EPOS P 60 W
CAN 9 pin D-Sub (DIN41652)
Connector [J2] Pin [6] “CAN high”
Pin 7 “CAN_H” high bus line
Connector [J2] Pin [7] “CAN low”
Pin 2 “CAN_L” low bus line”
Connector [J2] Pin [4] “CAN GND”
Pin 3 “CAN_GND” Ground