6.3 MEMOBUS/Modbus Communications
280
YASKAWA
SIEPC71061737B GA800 Drive Technical Reference
Byte
Command Message
Response Message (when normal)
Response Message (when there is a fault)
Setting Data
(Hex.)
Setting Data
(Hex.)
Setting Data
(Hex.)
2
Starting No.
Upper
00
Register status
0F
Register status
0F
3
Lower
01
Data in holding
register 1
selected with
H5-
25
Upper
17
Data in holding
register 1
selected with
H5-
25
Upper
17
4
Data Qty
Upper
00
Lower
70
Lower
70
5
Lower
02
Data in holding
register 2
selected with
H5-
26
Upper
07
Data in holding
register 2
selected with
H5-
26
Upper
07
6
Byte No.
04
Lower
D0
Lower
D0
7
First data
Upper
00
Data in holding
register 3
selected with
H5-
27
Upper
10
Data in holding
register 3
selected with
H5-
27
Upper
10
8
Lower
01
Lower
00
Lower
00
9
Next data
Upper
17
Data in holding
register 4
selected with
H5-
28
Upper
00
Data in holding
register 4
selected with
H5-
28
Upper
00
10
Lower
70
Lower
00
Lower
00
11
CRC-16
Upper
4F
Starting No.
Upper
00
Error Codes
02
12
Lower
43
Lower
01
CRC-16
Upper
E9
13
-
Data Qty
Upper
00
Lower
6C
14
-
Lower
02
-
15
-
CRC-16
Upper
AC
-
16
-
Lower
D0
-
Note:
The number of bytes set in the command message set the data quantity × 2 during the command message.
Register status
bit 0
Data in register 1 selected with
H5-25
1: Successfully read the register
0: Register read error
bit 1
Data in register 2 selected with
H5-26
1: Successfully read the register
0: Register read error
bit 2
Data in register 3 selected with
H5-27
1: Successfully read the register
0: Register read error
bit 3
Data in register 4 selected with
H5-28
1: Successfully read the register
0: Register read error
bit 4
Not used
bit 5
Not used
bit 6
Not used
bit 7
Not used
■
Reading the Contents of Non-Consecutive Holding Registers
The drive uses function code 67 (Hex.) and subfunction code 010D (Hex.) to read data with a maximum of 120
holding registers.
You must give the holding register number from which to read separately.
shows example messages when you read the frequency reference and torque limit from the drive for slave 1.
uses these specified holding registers data for the examples.
•
0024H:
U1-01 [Frequency Reference]
= 60.00 Hz (6000 = 1770H)
•
0028H:
U1-09 [Torque Reference]
= 100.0% (1000 = 03E8H)
Содержание GA800 Series
Страница 2: ...This Page Intentionally Blank 2 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 20: ...i 3 Warranty Information 20 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 30: ...1 3 Features and Advantages of Control Methods 30 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 58: ...2 9 Installation Methods 58 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 144: ...4 4 Start up Procedures 144 YASKAWA SIEPC71061737B GA800 Drive Technical Reference Figure 4 8 Basic Steps before Startup...
Страница 268: ...5 6 Safe Disable Input 268 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 306: ...6 3 MEMOBUS Modbus Communications 306 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 370: ...7 10 Troubleshooting Without Fault Display 370 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...
Страница 426: ...8 7 Storage Guidelines 426 YASKAWA SIEPC71061737B GA800 Drive Technical Reference...