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CHAPTER 13 MODBUS RTU COMMUNICATION
Transmission Protocol
13-23
13
Sequence monitor
(1) Hardware CONT signal and hardware OUT signal
The CONT signal and the OUT signal of sequence I/O can be loaded.
a) Hardware CONT signal (CONT1 - 8)
Data
4bytes
00h
00h
00h
CONT8 CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1
b) Hardware OUT signal (OUT1 - 5)
Data
4bytes
00h
00h
00h
0
0
0
OUT5 OUT4 OUT3 OUT2 OUT1
(2) Control mode, Sequence mode, Alarm at present, Alarm history
Each piece of data in the control mode, sequence mode, alarm at present, and alarm history is the
code data of 1 byte.
DATA
4bytes
00h
00h
00h
Code
The content of the code varies depending on the data. For the detail, refer to the corresponding
tables below.
Control mode
Sequence mode
Code
Control mode
Code
Sequence mode
00h
Position control
00h
Servo off
01h
Speed control
01h
Servo on
02h
Torque control
02h
Zero speed stop
03h
Manual feed (JOG)
04h
Pulse operation
05h
+
OT
06h
-
OT
07h
In LV (under voltage)
08h
Positioning
09h
Homing
0Ah
Interrupt positioning
0Bh
In safe stop (STO)
Summary of Contents for ALPHA7
Page 1: ......
Page 3: ...ii...
Page 22: ...0 1 CHAPTER 0 INTRODUCTION 0...
Page 36: ...1 1 CHAPTER 1 INSTALLATION 1...
Page 47: ...CHAPTER 1 INSTALLATION 1 12 Servo Amplifier 1...
Page 48: ...2 1 CHAPTER 2 WIRING 2...
Page 163: ...CHAPTER 2 WIRING 2 116 Safety Function 2...
Page 164: ...3 1 CHAPTER 3 OPERATION 3...
Page 192: ...4 1 CHAPTER 4 PARAMETER 4...
Page 317: ...CHAPTER 4 PARAMETER 4 126 Extension Function 2 Setting Parameters 4...
Page 318: ...5 1 CHAPTER 5 SERVO ADJUSTMENT 5...
Page 353: ...CHAPTER 5 SERVO ADJUSTMENT 5 36 Special Adjustment Vibration Suppression 5...
Page 354: ...6 1 CHAPTER 6 KEYPAD 6...
Page 408: ...7 1 CHAPTER 7 MAINTENANCE AND INSPECTION 7...
Page 434: ...8 1 CHAPTER 8 SPECIFICATIONS 8...
Page 460: ...9 1 CHAPTER 9 CHARACTERISTICS 9...
Page 472: ...10 1 CHAPTER 10 PERIPHERAL EQUIPMENT 10...
Page 516: ...11 1 CHAPTER 11 ABSOLUTE POSITION SYSTEM 11...
Page 523: ...CHAPTER 11 ABSOLUTE POSITION SYSTEM 11 8 Calculation of Battery Life 11...
Page 524: ...12 1 CHAPTER 12 POSITIONING DATA 12...
Page 540: ...13 1 CHAPTER 13 MODBUS RTU COMMUNICATION 13...
Page 579: ...CHAPTER 13 MODBUS RTU COMMUNICATION 13 40 Communications Procedures 13...
Page 580: ...14 1 CHAPTER 14 PC LOADER 14...
Page 614: ...STANDARDS COMPLIANCE CHAPTER 15 15...
Page 628: ...CHAPTER 16 APPENDIXES 16...
Page 661: ...CHAPTER 16 APPENDIXES 34 Product Warranty 16 16 7 Product Warranty...
Page 662: ......