ANYHZ FST-500 Series, Manual, Page: 84 / 151

FST 500 Manual
- Page 84 -
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Either ASCII or RTU Modbus protocols are used for communication. Users can select the desired
mode along through parameters Pr.92 and Pr.113.
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Each FST-500 AC drive has a pre-assigned communication address specified by Pr.88. The
master controller communicates with each AC drive according to its particular address.
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Code Meaning:
ASCII mode:
Each 8-bit data is the combination of two ASCII characters. For example, a 1-byte data: 64 Hex, shown
as „64‟ in ASCII, consists of „6‟ (36Hex) and „4‟ (34Hex).
Character
„0‟ „1‟ „2‟ „3‟ „4‟ „5‟ „6‟ „7‟
ASCII code 30H 31H 32H 33H 34H 35H 36H 37H
Character
„8‟ „9‟ „A‟ „B‟ „C‟ „D‟ „E‟ „F‟
ASCII code 38H 39H 41H 42H 43H 44H 45H 46H
RTU mode:
Each 8-bit data is the combination of two 4-bit hexadecimal characters. For example, 64 Hex.
2. Data Format
2.1 10-bit character frame (For 7-bit character):