4.2 CPU Module Specifications
4.2.7 System Register Specifications
4-24
USB-related System Status
The data in these registers give information on the USB memory and give the error status.
Message Relaying Status
The data in these registers give the message relaying status in the CPU Module.
Name
Register Address
Remarks
Available USB Memory
SL00650
Unit: Kilobytes
Total USB Memory
SL00652
USB Status
SW00654
SB006540
0: No USB memory device
1: USB memory device inserted
SB006541
0: Not supplying power
1: Supplying power
SB006542
0: Cannot recognize USB memory device
1: Recognized USB memory device
SB006543
0: Not accessing USB memory device
1: Accessing USB memory device
SB006544
0:
−
1: Checking FAT file system
SB006545 to
SB00654F
Reserved for system.
FAT Type
SW00655
0002 hex
FAT16
0003 hex
FAT32
Reserved for system.
SW00656 and SW00657
−
Batch Load and Batch
Save
SW00658
SB006580
1: Batch load in progress
SB006581
1: USB memory read error
SB006582
1: Load file model mismatch error
SB006583
1: Load file write error
SB006584
1: Save to flash memory error
SB006585
1: Folder for batch loading does not exist
SB006586
1: Loading error due to program write protec-
tion
SB006587
Reserved for system.
SB006588
1: Batch save in progress
SB006589
1: USB memory write error
SB00658A
1: Save file read error
SB00658B
1: Security error
SB00658C to
SB00658F
Reserved for system.
Reserved for system.
SW00659 to SW00667
−
Name
Register Address
Contents
Message Relaying Information
SW00694
Normally processed command message counter
SW00695
Command message error counter
SW00696
Normally processed response message counter
SW00697
Response message error counter
