CHAPTER 13 RS-485 COMMUNICATIONS
13-26
Modbus RTU Communications
13
Positioning
data
(divided)
Positioning data are 4 bytes long for each set. The positioning status, M code, and the stop timer
are configured as follows. All other items are configured in the same way as positioning data
(batch).
00h
00h
Positioning status
DATA
4bytes
M code
00h
00h
Stop timer (H)
DATA
4bytes
Stop timer (L)
5. Exceptional
responses
The amplifier returns an exceptional response if it has not succeed the process specified by a query.
The message frame is as follows. This is common to all FC values.
Station No.
1 byte
FC 1
byte
Exceptional
code
1 byte
(L)
CRC check
16 bits
(2 bytes) (H)
(1) Function code (FC) field
Exceptional responses from slaves are returned as one is set on the MSB of the FC specified by the
query.
Query Exceptional
response
01h 81h
03h 83h
05h 85h
08h 88h
0Fh 8Fh
10h 90h
17h 97h
Summary of Contents for ALPHA5 Smart
Page 1: ...24C7 E 0016c FUJI SERVO SYSTEM ALPHA5 Smart USER S MANUAL...
Page 2: ......
Page 4: ...ii...
Page 36: ...CHAPTER 0 INTRODUCTION 0 16 Combination between Servomotor and Servo Amplifier 0...
Page 276: ...CHAPTER 4 PARAMETER 4 108 Output Terminal Function Setting Parameter 4...
Page 368: ...CHAPTER 6 KEYPAD 6 56 Test Operation Mode 6...
Page 392: ...CHAPTER 7 MAINTENANCE AND INSPECTION 7 24 Troubleshooting 7...
Page 472: ...CHAPTER 11 ABSOLUTE POSITION SYSTEM 11 8 Calculation of Battery Life 11...
Page 488: ...CHAPTER 12 POSITIONING DATA 12 16 Response Time 12...
Page 592: ...CHAPTER 14 PC LOADER 14 48 Parameter Conversion Tool 14 1 2 3 4 6 7 8 9 10 11...
Page 633: ...CHAPTER 15 APPENDIXES Product Warranty 15 41 15 15 9 Product Warranty...
Page 634: ...CHAPTER 15 APPENDIXES 15 42 Service Network 15 15 10 Service Network...
Page 635: ......