A.5 list of system registers, A.5.1 system (s) register allocation, A.5.2 system service registers – Yaskawa MP920 User's Manual Design User Manual
Page 553: Registers common to all drawings

Appendix A
A.5.1 System (S) Register Allocation
A-38
A.5
List of System Registers
This section outlines the system (S) registers that contain MP920 operation status and error
information.
A.5.1
System (S) Register Allocation
A.5.2
System Service Registers
Registers Common to All Drawings
SW00000
System service registers
SW00030
System status
SW00050
System error status
SW00080
User operation status
SW00090
System service execution status
SW00100
Interrupt input error status
SW00110
User operation error status
SW00200
System I/O error status
SW00424
Reserved for system
SW00500
Status for system analysis
SW00530
Reserved for system
SW00600
System operation error status
SW00620
Reserved for system
SW00800
SW01023
Reserved for Optional Modules
Name
Register Number
Remarks
First High-speed
Scan
SB000001
ON for only the first scan after high-speed scan
is started.
First Low-speed
Scan
SB000003
ON for only the first scan after low-speed scan is
started.
Always ON
SB000004
−