Omron SYSMAC CJ1W-SCU21-V1, Руководство по эксплуатации

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Auxiliary Area and CIO Area Allocations (Modbus-RTU Slave Mode) Section 9-3
munications Board ports. When changing the settings and restarting the port
have been completed, the bit will automatically be turned OFF.
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 Units (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 .
9-3-2 CIO Area Allocations
Words in the CIO Area are allocated for a Status Area, which contains status
and error information for the Serial Communications Board or Unit. These
allocations are described in this section.
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, 4, or 5 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