
B-63322EN-1/01
c-1
CONTENTS
PREFACE ................................................................................................................ p-1
1. GENERAL.............................................................................................................1
2. INTERFACE BETWEEN REMOTE BUFFER AND
HOST COMPUTER.............................................................................................2
2.1 ELECTRICAL INTERFACE ..................................................................................................... 3
2.2 SOFTWARE INTERFACE ........................................................................................................ 4
3. ELECTRICAL INTERFACE .............................................................................5
3.1 TRANSMISSION SYSTEM....................................................................................................... 6
3.2 RS-232-C INTERFACE.............................................................................................................. 7
3.3 RS-422 INTERFACE................................................................................................................ 10
4. PROTOCOL A....................................................................................................13
4.1 MESSAGE FORMAT .............................................................................................................. 14
4.2 CODE SYSTEM....................................................................................................................... 14
4.3 COMMUNICATION SYSTEM ............................................................................................... 15
4.4 COMMAND ............................................................................................................................. 17
4.4.1 Command Table.............................................................................................................................17
4.4.2 Description of Data Part.................................................................................................................19
4.5 PARAMETER TABLE............................................................................................................. 23
4.6 ERROR PROCESS ................................................................................................................... 24
4.7 STATUS TRANSITION........................................................................................................... 25
5. EXPANSION PROTOCOL A...........................................................................26
5.1 COMMUNICATION SYSTEM ............................................................................................... 27
5.2 DATA PACKET FORMAT ..................................................................................................... 28
5.3 MONITOR PACKET FORMAT.............................................................................................. 30
5.4 COMMUNICATION EXAMPLE ............................................................................................ 32
6. PROTOCOL B....................................................................................................41
6.1 COMMUNICATION SYSTEM ............................................................................................... 42
6.1.1 When the CNC Alarm/Reset is not Posted to the Host...................................................................42
6.1.2 When the CNC Alarm/Reset is Posted to the Host.........................................................................44
6.2 CONTROL CODE.................................................................................................................... 48
6.3 BUFFER CONTROL................................................................................................................ 48
6.4 ALARM AND RESET OF CNC .............................................................................................. 49
7. EXPANSION PROTOCOL B (RS-422)...........................................................50