Inovance MD500T75G - Page 259

MD500 User Manual 9. Peripheral and Options
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Terminal Wiring
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Matching
terminal
resistor
*
CANlink card
AC drive
CANH
CANL
Matching
terminal
resistor
* It is controlled by the
MXPSHU-2.
*
CANlink card
Servo drive
CANH
CANL
COM
COM
CANlink card
PLC
CANH
CANL PGND
CANH
CANL
Shield
* It is controlled by the
MXPSHU-2.
It is recommended to use an STP cable as the CAN bus and use a twisted cable to connect CANH and CANL. Connect a matching
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a maximum of 64 nodes and the distance of each node branch must be smaller than 0.3 m. Connect the reference ground of all
nodes together.
CANH
CANL
COM
Run the twisted cable and cable
connected to COM closely.
CANH
CANL
COM
Connect the shield to COM
CANH
CANL
COM
Twist the other unused cables into
one rope and connect it to COM.
CANH
CANL
COM
Twist the other unused cables into
one rope and connect it to COM.
Connect the shield to PE.
1. Self-prepared single-core cable
2. Twin-core STP cable
3. Multi-core twisted pair cable (non-shielded)
4. Multi-core STP cable
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CANlink Transmission Distance
The transmission distance of the CANlink bus is directly related to the baud rate and communication cable. The relationship
between the maximum transmission distance of the CANlink bus and the baud rate is shown in the following table.
No. Max. Transmission Distance Baud Rate Number of Nodes Cable Diameter
1 25 m 1 Mbps 64 0.205 mm2
2 P 500 kbps 64 0.34 mm2
3 560 m 100 kbps 64 0. 5 mm2
4 1100 m 50 kbps 64 0.75 mm2
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