Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 235

Auxiliary Area and CIO Area in Serial Gateway Mode
Serial Communications Units (CS/CJ Series)
Status Area
Allocations
Words
Board Unit
(CS Series (CS/CJ Series)
only)
Port 1 Port 2 Port 1
1901 n+1
1902 n+2
1903 n+3
1904 n+4
206
Inner Board CIO Area
CIO 1900 to CIO 1999
CIO 1900
CIO 1901 to CIO 1904
CIO 1905 to CIO 1914
CIO 1915 to CIO 1924
CIO 1925 to CIO 1999
Words are allocated in the CIO Area for Software Switches and Status Area.
Words CIO 1500 to CIO 1899 in the CPU Bus Unit Area in the CIO Area are
allocated according to the unit number setting. Each Unit is allocated 25
words. The first word is used for Software Switches, and the remaining 24
words are used for the Status Area.
Unit
number
Unit No. 0 CIO 1500 to CIO 1524
Unit No. 1 CIO 1525 to CIO 1549
Unit No. 2 CIO 1550 to CIO 1574
Unit No. 3 CIO 1575 to CIO 1599
Unit No. 4 CIO 1600 to CIO 1624
Unit No. 5 CIO 1625 to CIO 1649
Unit No. 6 CIO 1650 to CIO 1674
Unit No. 7 CIO 1675 to CIO 1699
Unit No. 8 CIO 1700 to CIO 1724
Unit No. 9 CIO 1725 to CIO 1749
Unit No. A CIO 1750 to CIO 1774
Unit No. B CIO 1775 to CIO 1799
Unit No. C CIO 1800 to CIO 1824
Unit No. D CIO 1825 to CIO 1849
Unit No. E CIO 1850 to CIO 1874
Unit No. F CIO 1875 to CIO 1899
The Status Area is used to read the Serial Communications Board's or Unit's
setting status, communications status, transmission control signal status, and
transmission error status.
Direction: Board/Unit to CPU Unit (input)
n = CIO 1500 + 25 × unit number
Bit
Port 2
02 to 15 Reserved
01 1: Error log EEPROM error
00 1: Protocol data error (SUM value error)
00 to 15 Reserved
00 to 15 Reserved
00 to 15 Reserved
Software Switches (port 1/port 2)
Board status
Port 1 status
Port 2 status
Reserved for the system
Word
n: Software switches (ports 1 and 2)
n + 1 to n + 4: Unit status
n + 5 to n + 14: Port 1 status
n + 15 to n + 24: Port 2 status
Contents
0: Error log EEPROM normal
Section 6-3
0: Protocol data normal