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Internode echo test, 3-4 internode echo test, Precautions – Omron CS1W-ETN21 User Manual

Page 188: Response codes, Command block response block

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Command/Response Reference

Section 7-3

Address Disagreement

The address conversion method was set for automatic generation, but the
node address and the last byte of the local IP address do not agree, or other
host sections are 0.

EEPROM Error

An error occurred in the EEPROM memory in the Ethernet Unit.

Total Number of Packets
Received (Response)

The total number of packets received by the Ethernet Unit is returned.

Total Number of Receive
Errors (Response)

The total number of errors detected while the Ethernet Unit was receiving is
returned. The types of error detected are short packet errors, alignment
errors, CRC errors, frame length errors (received frame: 1,515 bytes or more),
and communications controller overflow errors.

Total Number of Packets
Sent (Response)

The total number of packets sent by the Ethernet Unit is returned.

Total Number of Errors
Sent (Response)

The total number of packet errors detected while the Ethernet Unit was send-
ing is returned.

Total Number of Send
Collisions (Response)

The number of packets damaged by 16 collisions with data from other nodes
during Ethernet Unit transmissions.

Precautions

Counting of the total number of packets received, total number of receive
errors, total number of packets sent, total number of errors sent, and total
number of send collisions is discontinued when the counted value reaches the
maximum value.

Response Codes

7-3-4

INTERNODE ECHO TEST

Runs the echo test between specified nodes.

Command Block

Response Block

Response code

Description

0000

Normal

1001

Command too large

08 01

Command

code

1,998 bytes max.

Test data

08 01

Response

code

Command

code

1,998 bytes max.

Test data