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7. PROFIdrive acyclic parameter access
In this product, inverter parameters and PROFIdrive parameters are accessible by acyclic
communications in addition to the cyclic communication via Telegram 100 or101.
Notes
When you use acyclic parameter access, the value is written to the EEPROM.
7.1. Example1. Read the PROFIdrive parameter
7.1.1. Request Format (Read the value of PNU 964 (0x03C4) IND 0)
Field Description Value
Request Header (Byte 1) Request Reference 0x01
Request Header (Byte 2) Request ID (0x01: Request) 0x01
Request Header (Byte 3) Axis 0x01
Request Header (Byte 4) Number of Parameters 0x01
Parameter Address (Byte 1) Attribute (0x10: Value) 0x10
Parameter Address (Byte 2) Number of Elements 0x01
Parameter Address (Byte 3) Parameter number (PNU), High byte 0x03
Parameter Address (Byte 4) Parameter number (PNU), Low byte 0xC4
Parameter Address (Byte 5) Sub index (IND), High byte 0x00
Parameter Address (Byte 6) Sub index (IND), Low byte 0x00
7.1.2. Response format
Field Description Value
Request Header (Byte 1) Request Reference (mirrored) 0x01
Request Header (Byte 2) Response ID 0x01
Request Header (Byte 3) Axis (mirrored) 0x01
Request Header (Byte 4) Number of Parameters 0x01
Parameter Value (Byte 1) Format 0x06
Parameter Value (Byte 2) Number of Values 0x01
Parameter Value (Byte 3) Values, High byte 0x01
Parameter Value (Byte 4) Values, Low byte 0x90