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5.3  Commands 
5.3.1  List of Commands 
 
Commands which may be used with this communication protocol are shown in 
Tables 5.1 and 5.2. 
Table 5.1    List of commands (Host computer → Controller) 
 
No.  Command  Descriptions  Details  Text 
2  SP  Stop    SP 
3  BR  Servo OFF    BR 
4  SO  Servo ON    SO 
5  RS  Reset  Program reset  RS, PRG 
      Step reset  RS, STP 
      Output signal reset  RS, SIG 
      Select reset  RS, SEL 
      Alarm reset  RS, ERR 
6  SL  Program selection    SL, File name 
7  UL  File name  RAM file upload  UL, File name 
8  DL  File name  RAM file download  DL, File name 
9  CA  Directory  Directory request  CA 
10  SU  Status  Status request  SU 
11  EU  Error information  Error history upload  EU 
12  ER  File erase    ER, File name 
13  FL  File    FL, File contents 
14  OK  Acknowledge    OK 
15  NG  Non-acknowledge    NG 
16  EC*  Internal command  Internal command transmit  EC, Internal command 
17  MW  Variable write  Global-defined variable 
write 
MW, Flag Name, Type 
Data 
19  SF  System total status  Request for fast-speed 
status information 
SF 
20  MR  Variable read  Global-defined variable 
read 
MR, Name, Type 
21  IW  I/O write  I/O forced-writing  IW, Line No., Status 
22  VR  Version read  Robot and software 
version 
VR 
23  DO  Execution of DO 
statement 
Execution of DO 
statement 
DO, Statement 
24  AC  Currently occurring alarm  Currently occurring alarm 
acquisition with message 
AC