Fuji Electric ALPHA5 Smart, User Manual

Page: 529 / 636

CHAPTER 13 RS-485 COMMUNICATIONS
PC Loader Communications
13-41
13
13.2.4 Description of Transmission Data
Item
Start code
Count of No. of pieces of
data
Fixed value used by
system
Process status
Connection method
Station No. of amplifier
CMND
MODE
End data
Sequence No.
Count of data section
Data section
BCC
Transmission code
Description (hex.)
5Ah (Fixed)
00h or FFh
7Ah (Fixed)
01h to 1Fh
(Variable)
XXh (Variable)
00h (Fixed)
or
XXh (Fixed)
XXh (Variable)
00h (Fixed)
00h (Fixed)
01h (Fixed)
XXh (Variable)
XXh (Variable)
XXh (Variable)
Function
Start code
Byte counter
Enter the number of bytes from the process status to BCC.
0xFF for a request command, or 0x00 for a response command.
Station number
Enter the station number identifying the servo amplifier (1 to 31).
Enter the value specified in the transmission format table.
Enter the number of bytes of data section. Max. 108 bytes.
Check sum
0x00 - (sum of number of bytes from data number count to data section)
Enter the value of each command.
Designate the command given to the servo amplifier.
13.2.5 Status Data
Code
STR1
STR2

Status data (STR1, STR2)
Bit
position
7
4
3
2
1
6
5
Function
Alarm detection
In-position
ONLINE/OFFLINE
Completion of power-on initialization
0: Uncertain
(Area used by manufacturer)
0
7 to 0
Not used
Transmission error
Data error
Command acceptance
Not used
0: None. 1: Yes
0: Fixed
0: Accepted. 1: Not accepted
Description
0: None. 1: Yes
0: None. 1: Yes
0: Initialization finished.
1: Being initialized
0: ONLINE,1: OFFLINE
0: Moving. 1: Motion finished

Bit position (STR1)
Alarm detection
In-position
ONLINE/OFFLINE
7 0
Completion of power-on initialization
(Not used)
Transmission error
Data error
Command acceptance
0