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Synergy Series Soft Start User Manual
MAN-SGY-017. Version 01. 27/06/2016
117
Write Multiple Registers
Description: writing register blocks of holding register type (block R/W limited to 8 registers).

Function code: 16
4.1.10 Memory Map
synergy
TM
Modbus communication is based on reading or writing equipment parameters from or to the
holding registers. The data addressing is zero offset, such that the parameter Modbus address
corresponds to the register number.
Modbus Address Memory Map
Parameter
Modbus Address
Modbus Data Address
Decimal Hexadecimal
0000 0 0000h
0001 1 0001h
• • •
• • •
• • •
• • •
0128 128 0080h
• • •
• • •
• • •
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Modbus Function 16 Transaction Table
Query Response
Field Hex Byte Field Hex Byte
Slave address 01 Slave address 01
Function 16 Function 16
Address Hi 00 Address Hi 02
Address Lo 0C Address Lo 0C
Force data Hi 00 Force data Hi 00
Force data Lo 09 Force data Lo 09
CRC Lo 48 CRC Lo 49
CRC Hi 0C CRC Hi B4
4. Communication (continued)