Omron CS1W-ETN21 operation manual Error Status, Word = CIO 1500 + 25 x unit number +18

Error Status

Section 8-2

RUN

ERC

ERH

LNK

HOST

Probably cause

Correction

Lit

---

Flash-

---

---

The IP address is set incorrectly.

Correct the IP address. Do not set

ing

any of the following IP addresses.

• Host IDs that are all 0 or all 1.

• Network IDs that are all 0 or all 1.

• Subnetwork IDs that are all 1.

• Addresses beginning with 127 (7F

Hex).

The node address set on the rotary

Make sure that the node address

switch on the front of the Unit does not

and the last byte of the IP address

agree with the host ID in the IP address.

are the same and set other host IDs

This probably can occur when the

to 0.

address conversion method is set for

Change the address conversion

automatic address generation.

method.

Flash-

---

---

---

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The Unit operation mode change function

Set the node address correctly.

ing

is in effect.

8-2

Error Status

The Ethernet Unit will output error status to the following word in the CIO Area

of the CPU Unit. This information can be used in troubleshooting errors.

Word = CIO 1500 + (25 x unit number) +18

Error Status (Ethernet Unit

The status of errors that occur at the Ethernet Unit is reflected as shown in the

to CPU Unit)

following diagram.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

n+18

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

Bit 11: SNTP server error

Bit 12: SMTP server error

Bit 13: POP server error

Bit 14: Address disagreement

Bit 15: EEPROM error

Bit

Error

Status

Manipulated by

Unit operation

0 to 1

(Not used.)

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---

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2

IP address setting error

ON

Unit

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

Unit

OFF when the IP address is normal.

3

IP address table error

ON

Unit

On if the IP address table information is incorrect.

OFF

Unit

OFF when the IP address table is normal.

4

IP router table error

ON

Unit

ON if the IP router table information is incorrect.

OFF

Unit

OFF when the IP address table is normal.

201