Delta D25886 User Manual Page 10

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2. System Function
2-2 DVP-MC operating manual
2.1.1. COM Port
COM1RS-232
COM1, RS-232 communication port possessed by PLC module, supports Modbus protocol and could serve
as Modbus master (supporting MODRW, RS instructions) or slave to upload and download programs,
monitor PLC device, and connect human-machine interface and etc.
COM1 Pin Definition:
Pin Signal Description
1, 2 +5V 5V power positive pole
3 GND Grounding
4 Rx Receiving data
5 TX Sending data
6 GND Grounding
7 NC Reserved
8 GND Grounding
COM2RS-485
COM2, RS-485 communication port supporting Modbus protocol, is the hardware port commonly used by
motion control module and PLC. The motion control module or PLC can be accessed through different node
ID. Their node ID must be different with each other. If COM2 is used by PLC, 10MC could be regarded as
Modbus master or slave. If COM2 is used by motion control module, 10MC could only serve as Modbus
slave to download CANopen motion control network configuration, program, G-codes and monitor devices.
COM2 Pin Definition:
Pin Signal Description
1 + Signal+
2 _ Signal-
3 SG Grounding
Note: Please refer to appendix A for more details on Modbus.
CANopen Bus Interface
There are two RJ45 ports for CANopen bus interface and the standard CAN communication cable
(TAP-CB03/TAP-CB05/TAP-CB10) is needed for user to create a reliable motion control network
conveniently and quickly. CAN bus need be added with two terminal resistors in its two terminals to
constitute the network and Delta supplies the standard terminal resistance module (TAP-TR01). There are
two terminal resistors enclosed in the package of 10MC product.
Pin Signal Explanation
1 CAN_H Signal+
2 CAN_L Signal-
3 CAN_GND Grounding
4 RESE_1 Reserved
5 RESE_2 Reserved
6 CAN_SHLD Shielded cable
7 CAN_GND Grounding
8 RESE_3 Reserved
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