Inovance MD500T75G - Page 225

MD500 User Manual 8. Interfaces and Communication
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The MD500 series AC drive supports four communication protocols (Modbus-RTU, CANopen, CANlink, and PROFIBUS-DP).
The user programmable card and point-to-point communication are derivation of the CANlink protocol. The host computer can
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commands, running state, running parameters and alarm information.
8.4.1 Parameter Data
The paramter data provides important parameters of the AC drive. The parameter data is described as below:
MD500 parameter data Group F (read-write) )))))))))))$)%)&)')())
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1. When parameter data is read by means of communication
For groups F0 to FF and A0 to AF, the high 16 bits of the communication address indicate the group number and the low 16
bits indicate the parameter number in the group.
Example:
The communication address of F0-16 is F010H, where F0H represents group F0 and 10H is the hexadecimal data format of
serial number 16 in the group.
The communication address of AC-08 is AC08H, where ACH represents group AC and 08H is the hexadecimal data format of
serial number 8 in the group.
2. When function code data is written by means of communication
For groups F0 to FF, whether the high 16 bits of the communication address are 00 to 0F or F0 to FF is decided by whether the
high 16 bits are written to EEPROM. The lower 16 bits indicate the function code number in the group.
Example:
F0-16: If it need not be written to EEPROM, the communication address is 0010H. If it needs to be written to EEPROM, the
communication address is F010H.
For groups A0 to AF, whether the high 16 bits of the communication address are 40 to 4F or A0 to AF is decided by whether the
high 16 bits are written to EEPROM. The lower 16 bits indicate the function code number in the group.
AC-08: If it need not be written to EEPROM, the communication address is 4C08H. If it needs to be written to EEPROM, the
communication address is AC08H.
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