Yaskawa iQpump Controller Programming Manual Manuel d'utilisateur Page 101

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YASKAWA TM.iQp.07 iQpump Controller Programming Manual 101
MEMOBUS / Modbus Function Code Details
Reading / Holding Register Contents (03H)
Read the contents of the storage registers only for the specified number of registers. The addresses must be consecutive, starting from a
specified start register. The data content of the storage register are separated into high bytes and low bytes.
The following tables show message examples when reading status signals, error details, data link status, and frequency references from
the slave 2 drive.
Figure 91. Function Code 03H Message Example
Write In Single Holding Register (06H)
Figure 92. Function Code 06H Message Example
Command Message
Response Message
(During Normal Operation)
Response Message
(During Error)
Slave Address 02H Slave Address 02H Slave Address 02H
Function Code 03H Function Code 03H Function Code 83H
Start
Register
High
Byte
00H Data quantity 08H Error code 03H
Low
Byte
20H
First Storage
Register
High
Byte
00H
CRC-16
High
Byte
F1H
No. of
Registers
High
Byte
00H
Low
Byte
65H
Low
Byte
31H
Low
Byte
04H
Second
Storage
Register
High
Byte
00H
CRC-16
High
Byte
45H
Low
Byte
00H
Low
Byte
F0H
Third
Storage
Register
High
Byte
00H
Low
Byte
00H
Fourth
Storage
Register
High
Byte
01H
Low
Byte
F4H
CRC-16
High
Byte
AFH
Low
Byte
82H
Command Message
Response Message
(During Normal Operation)
Response Message
(During Error)
Slave Address 01H Slave Address 01H Slave Address 01H
Function Code 06H Function Code 06H Function Code 86H
Register Address
Upper 00H
Register Address
Upper 00H Error code 21H
Lower 01H Lower 01H
CRC-16
Upper 82H
Setting Data
Upper 00H
Setting Data
Upper 00H Lower 78H
Lower 01H Lower 01H
CRC-16
Upper 98H
CRC-16
Upper 98H
Lower 0BH Lower 0BH
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