Nord Drivesystems SK 700E Series User Manual

2.5 Modbus RTU: Function codes
BU 0050 GB-3111 Subject to technical amendments 67
Example 1:
Parameter P613 [0] is written with the value 0x00123456.
Query (Master  Slave)
Response (Slave  Master)
Address
0x08
Address
0x08
Function Code
0x10
Function Code
0x10
Start address High
0x99
Start address High
0x99
Start address Low
0x40
Start address Low
0x40
Number of parameters High
0x00
Number of parameters High
0x00
Number of parameters Low
0x02
Number of parameters Low
0x02
Number of bytes
0x04
CRC High
0x6E
Parameter value 1 High
0x00
CRC Low
0x19
Parameter value 1 Low
0x12
Parameter value 2 High
0x34
Parameter value 2 Low
0x56
CRC High
0x29
CRC Low
0xAE
Example 2:
Parameters P050[1] to P050[3], i.e. setpoint values 1 to 3 are written.
Control word1 = 1000 // SW2 = 2000 // SW3 = 3000.
Query (Master  Slave)
Response (Slave  Master)
Address
0x08
Address
0x08
Function Code
0x10
Function Code
0x10
Start address High
0x0C
Start address High
0x0C
Start address Low
0x81
Start address Low
0x81
Number of parameters High
0x00
Number of parameters High
0x00
Number of parameters Low
0x03
Number of parameters Low
0x03
Number of bytes
0x06
CRC High
0xD3
Parameter value 1 High
0x03
CRC Low
0xE9
Parameter value 1 Low
0xE8
Parameter value 2 High
0x07
Parameter value 2 Low
0xD0
Parameter value 3 High
0x0B
Parameter value 3 Low
0xB8
CRC High
0xF5
CRC Low
0xDF

Nord Drivesystems SK 700E Series Specifications

General

Brand	Nord Drivesystems
Model	SK 700E Series
Category	DC Drives
Language	English