160
Auxiliary Area and CIO Area Allocations Section 5-3
Note These bits are used both to change the port settings and to restart the port at
the same time. One of these bits can be turned ON to restart a port without
changing the port settings in the Setup Area allocated in the DM Area. The
STUP(237) instruction can also be used to just restart a communications port
by executing STUP(237) with the same port settings as the ones already
being used.
Serial Communications Boards (CS Series Only)
Serial Communications Boards (CS/CJ Series) n = A620 + unit number
Inner Board Error
Information (CS-series
Serial Communications
Board Only)
A424 contains error information for the Serial Communications Board.
Note 1. When any one of bits 05 to 11 is ON, A40208 (Inner Board Error Flag)
(non-fatal error) will be ON.
2. When bit 00 or 01 is ON, A40112 (Inner Board Fatal Error Flag) will be ON.
For details on errors, refer to
SECTION 11 Troubleshooting and Maintenance.
Word Bit Contents
A636 03 to 15 Reserved
02 1: Port 2 Settings Change Bit
01 1: Port 1 Settings Change Bit
00 Reserved
Words Bit Contents
n 03 to 15 Reserved
02 1: Port 2 Settings Change Bit
01 1: Port 1 Settings Change Bit
00 Reserved
Word Bit Contents
A424 12 to 15 Non-fatal
errors
(Note 1)
Reserved
11 1 Error log EEPROM error; 0: Normal
10 1: Protocol macro execution error; 0: Normal
This bit will be turned ON when code 3 or 4 is stored
in the error code for bits 00 to 03 of CIO 1909 or CIO
1919 in the CIO Area.
09 1: Protocol data error (SUM error); 0: Normal
08 1: Setup error; 0: Normal
07 1: Routing table error; 0: Normal
06 Reserved
05 1: Cyclic monitoring error; 0: Normal
04 Reserved
03 Fatal
errors
(Note 2)
Reserved
02 Reserved
01 1: Inner Bus error; 0: Normal
00 1: Inner Board watchdog timer error; 0: Normal
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