CHAPTER 13 RS-485 COMMUNICATIONS
13-8
Modbus RTU Communications
13
(2) Response message from the amplifier
Station No.
1 byte
FC 1
byte
・・・
10h
(H)
・・・
Address 2
bytes
(L)
Specified address
(H)
・・・
Information
No. of
registers
2 bytes
(L)
(L)
CRC check
16 bits
(2 bytes)
(H)
Number of sets of actually written data,
m × 2
* The positioning data are
m × 10
.
* Cannot write in to nonexistent data.
(3) Message examples
PA2_19: shows a message example to enter 200000 to a preset position.
<Query example>
Station No.
1 byte
01
・・・
When the amplifier station no. is "1".
FC 1
byte
10
41
Address
2 bytes
12
・・・
Specify
4112h
as the address of PA2_19.
00
No. of registers
2 bytes
02
・・・
Specify
0002h
as the number of data 1×2.
No. of data
bytes
1 byte
04
・・・
1×4 =
04h
00
03
0D
Information
Data 1
4 bytes
40
・・・
Specify 200000 =
00030D40h
.
Specify data 1 =
FFFCF2C0h
for -20000.
BA
CRC check
16 bits
(2 bytes)
49
<Response message example>
Station No.
1 byte
01
FC 1
byte
10
41
Address 2
bytes
12
00
Information
No. of registers
2 bytes
02
F5
CRC check
16 bits
(2 bytes)
F1
Содержание ALPHA5 Smart
Страница 1: ...24C7 E 0016c FUJI SERVO SYSTEM ALPHA5 Smart USER S MANUAL...
Страница 2: ......
Страница 4: ...ii...
Страница 36: ...CHAPTER 0 INTRODUCTION 0 16 Combination between Servomotor and Servo Amplifier 0...
Страница 276: ...CHAPTER 4 PARAMETER 4 108 Output Terminal Function Setting Parameter 4...
Страница 368: ...CHAPTER 6 KEYPAD 6 56 Test Operation Mode 6...
Страница 392: ...CHAPTER 7 MAINTENANCE AND INSPECTION 7 24 Troubleshooting 7...
Страница 405: ...CHAPTER 8 SPECIFICATIONS Specifications of Servo Amplifier 8 13 8 8 2 2 Interface Specifications...
Страница 411: ...CHAPTER 8 SPECIFICATIONS Dimensions of Servo Amplifier 8 19 8 8 4 Dimensions of Servo Amplifier...
Страница 472: ...CHAPTER 11 ABSOLUTE POSITION SYSTEM 11 8 Calculation of Battery Life 11...
Страница 488: ...CHAPTER 12 POSITIONING DATA 12 16 Response Time 12...
Страница 592: ...CHAPTER 14 PC LOADER 14 48 Parameter Conversion Tool 14 1 2 3 4 6 7 8 9 10 11...
Страница 595: ...CHAPTER 15 APPENDIXES Main Circuit Block Diagram 15 3 15 15 2 Main Circuit Block Diagram Applicable model Frame1...
Страница 633: ...CHAPTER 15 APPENDIXES Product Warranty 15 41 15 15 9 Product Warranty...
Страница 634: ...CHAPTER 15 APPENDIXES 15 42 Service Network 15 15 10 Service Network...
Страница 635: ......