Appendix CHost Link Unit Memory Area Allocations
119
Details of Status Data Area
The bit configuration of each word in the Status Data Area is shown in the following diagrams.
Unit Setting Error Flags
15 14 13 12 11 10 9 8 76543210
00000 0 00000
1: System Setup switch error
1: Port 1 System Setup error
1: Port 2 System Setup error
1: Port 2 unit number error
Word: 1500 + (25 x unit number) + 0
Bit
+0
1: One of the following errors has occurred. (This bit will turn OFF when the power supply to
the CPU Unit is turned ON or the Unit is restarted.)
CPU Unit watchdog timer error
Service error between CPU Unit and Host Link Unit
CPU Unit write error
System setup error
Execution not possible because Unit with specified unit number is missing
Data from Host Link cannot be processed due to CPU Unit error
Execution not possible because unit number is not between 0 and 15
Execution not possible because the command is too long
Execution not possible because of command header error
Execution not possible because of I/O table error
Data transfer between Host Link Unit and CPU Unit not possible because of CPU bus error
Execution not possible because of duplicate number usage in CPU Unit
Execution not possible because of Special I/O Unit error in Host Link Unit
Send data discarded because internal reception buffer is full
Illegal command discarded
Parity error, framing error, overrun error, or FCS error
Break detected
Local Node Number
15 14 13 12 11 10 9 8 76543210
00000000
Word: 1500 + (25 x unit number) + 1
Bit
+1
Local node number (unit number + 10 (hexadecimal))
To Next Page
Loading...
Need help?
General
