14. COMMUNICATION FUNCTION (MITSUBISHI ELECTRIC GENERAL-PURPOSE AC SERVO PROTOCOL)
14 - 10
14.3.8 Communication procedure example
The following example reads the set value of alarm history (last alarm) from the servo amplifier of station 0.
Data item
Value
Description
Station No.
0
Servo amplifier station 0
Command
3 3
Reading command
Data No.
1 0
Alarm history (last alarm)
Data = [0]
= [0] [3] [3]
Transmission data =
Other than error code
[A] or [a]?
3 consecutive times?
300 ms elapsed?
Start
Data make-up
Checksum calculation and
addition
Addition of SOH to make up
transmission data
Data transmission
Data receive
3 consecutive times?
Receive data analysis
End
100 ms after EOT transmission
Error processing
Error processing
No
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Master station
Is there receive data?
Command
Data No.
Checksum = 30H + 33H + 33H + 02H + 31H + 30H + 03H =
46H 43H
Station No.
Slave station
Master station
Slave station
Master station
Slave station
ETX
STX
ETX
STX
3
3
1 0
+
+
+
+
ETX
SOH
0
STX
3
3
1
C
F
0
+
+
+
+
+
+
FCH
[1] [0]
Содержание MR-J4-100A(-RJ)
Страница 19: ...10 MEMO ...
Страница 75: ...1 FUNCTIONS AND CONFIGURATION 1 56 MEMO ...
Страница 83: ...2 INSTALLATION 2 8 MEMO ...
Страница 159: ...3 SIGNALS AND WIRING 3 76 MEMO ...
Страница 203: ...4 STARTUP 4 44 MEMO ...
Страница 351: ...7 SPECIAL ADJUSTMENT FUNCTIONS 7 40 MEMO ...
Страница 365: ...8 TROUBLESHOOTING 8 14 MEMO ...
Страница 387: ...9 DIMENSIONS 9 22 MEMO ...
Страница 403: ...10 CHARACTERISTICS 10 16 MEMO ...
Страница 553: ...12 ABSOLUTE POSITION DETECTION SYSTEM 12 30 MEMO ...
Страница 567: ...13 USING STO FUNCTION 13 14 MEMO ...
Страница 607: ...14 COMMUNICATION FUNCTION MITSUBISHI ELECTRIC GENERAL PURPOSE AC SERVO PROTOCOL 14 40 MEMO ...
Страница 639: ...15 USING A LINEAR SERVO MOTOR 15 32 MEMO ...
Страница 767: ...18 MR J4 03A6 RJ SERVO AMPLIFIER 18 84 MEMO ...
Страница 856: ...APPENDIX App 41 ...
Страница 905: ...MEMO ...