Omron SYSMAC CS1W-ETN21 Operation Manual page 108

CIO Area Allocations
Error Status (Ethernet Unit
to CPU Unit)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
n+18
Bit Error
00 to 01 (Not used.)
02 IP address setting error
03 IP address table error
04 IP router table error
Accessing Memory (Sending Mail) (Bit 01)
This bit turns ON while CPU Unit memory is being accessed to create a file to
be attached using the mail send function, and it turns OFF when the file has
been created.
ON while CPU Unit memory is being accessed to store an attached file using the mail
receive function.
Accessing Memory (Receiving Mail) (Bit 02)
This bit turns ON while CPU Unit memory is being accessed to store an
attached file using the mail receive function, and it turns OFF after the file has
been stored.
System Setup Format (Bits 08 to 11)
These bits show the format classification in the CPU Bus Unit System Setup
Area.
Bit address
11 10 09 08
0 0 0 0 ETN11 mode
0 0 0 1 ETN21 mode
Other Reserve
The status of errors that occur at the Ethernet Unit is reflected as shown in the
following diagram.
Bit 11: SNTP server error
Bit 12: SMTP server error
Bit 13: POP server error
Bit 14: Address disagreement
Bit 15: EEPROM error
Status Manipulated by
--- ---
ON Unit
OFF Unit
ON Unit
OFF Unit
ON Unit
OFF Unit
Format classification
Bit 02: IP address setting error
Bit 03: IP address table error
Bit 04: IP router table error
Bit 05: DNS server error
Bit 06: Routing table error
Unit operation
---
ON if any of the following conditions apply to the IP
address.
• All bits in the host ID are 0 or 1.
• All bits in the network ID are 0 or 1.
• All bits in the subnet ID are 1.
• The IP address begins with 127 (0x7F)
OFF when the IP address is normal.
On if the IP address table information is incorrect.
OFF when the IP address table is normal.
ON if the IP router table information is incorrect.
OFF when the IP address table is normal.
Section 4-1
83