Alpha 6000S series User Manual page 206

Command Content
Frequency Inverter
Address
Command Code
Start
Address
Number of
Addresses
Number of Data
Content of
Data
CRC
[10H]
Two Commands Writing: it can operate the two registers of 0001 action command and 0002 frequency setting 1. It
should be noted that the operation command giving manner setting (P0.07) should be "serial communication" and
that the frequency setting source 1 (P0.03) should be "communication setting".
Example: set the frequency as 50.0Hz.
Command Content
Frequency Inverter
Address
Command Code
Start
Address
Number of
Addresses
Number of Data
Content of
Data
CRC
205
Normal Response Content
Frequency Inverter
01
Command Code
10
High Bit 01
Start
Address
Low Bit 02
High Bit 00 Number
of
Low Bit 01
Addresses
02
Number of Data
High Bit 0B
Content
Low Bit B8
of Data
High Bit B1
Low Bit D2
CRC
Normal Response Content
Frequency Inverter
01
Command Code
10
High Bit 00
Start
Address
Low Bit 01
High Bit 00 Number
of
Low Bit 02
Addresses
04
High Bit 00
CRC
Low Bit 01
High Bit 13
Notes: The number of data doubles that of address.
Low Bit 88
High Bit 6E
Low Bit F5
Appendix 4 Use of MODBUS Communication
01
Address
10
High Bit 00
Low Bit FF
High Bit 00
Low Bit 01
02
High Bit 01
Low Bit 00
High Bit B3
Low Bit CF
01
Address
10
High Bit 00
Low Bit 01
High Bit 00
Low Bit 02
High Bit 10
Low Bit 08
Abnormal Response Content
Frequency
01
Inverter Address
Command Code
90
Abnormality
23
Code
High Bit 0D
CRC
Low Bit D9
Abnormal Response Content
Frequency
01
Inverter Address
Command Code
90
Abnormality
03
Code
High Bit 0C
CRC
Low Bit 01