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8 CIP Message Communications
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-5 CIP Object Services
8
8-5-2 Identity Object (Class ID: 01 Hex)
(3) Status Details of the Built-in EtherNet/IP Port
When you specify an object, specify the request path (IOI) for each service code as given below.
Bit Name Description
0 Owned Indicates when the built-in EtherNet/IP port has an open connection as the
target of a tag data link.
1 Reserved Always FALSE.
2 Configured Tag data link settings exist.
3 Reserved Always FALSE.
4 to 7 Extended Device Status Indicates the status of the built-in EtherNet/IP port.
8 Minor Recoverable Fault TRUE when any of the following errors occurs.
• IP Route Table Setting Error
• DNS Server Connection Failed
• Tag Data Link Setting Error
• Tag Data Link Timeout
• Tag Data Link Connection Timeout
• FTP Server Setting Error
• NTP Client Setting Error
• SNMP Setting Error
• NTP Server Connection Failed
• Tag Name Resolution Error
9 Minor Unrecoverable Fault TRUE when the following error occurs.
• Identity Error
10 Major Recoverable Fault TRUE when any of the following errors occurs.
• IP Address Duplication Error
• BOOTP Server Connection Error
• Basic Ethernet Setting Error
• IP Address Setting Error
11 Major Unrecoverable Fault TRUE when any of the following errors occurs.
• Communications Controller Failure
• MAC Address Error
12 to 15 Reserved Always FALSE.
Request Paths (IOIs) to Specify Objects
Service code Class ID Instance ID Attribute ID
01 hex Get_Attribute_All 01 hex • Specifying a service for a class: 00 hex
• Specifying a service for an instance:
Always 01 hex
Not required.
0E hex Get_Attribute_Single • Reading a class attribute: 01 or 02
hex
• Reading an instance attribute: 01 to
07 hex
05 hex Reset Always 01 hex Not required.
b7 b6 b5 b4
0 1 0 1 A major fault occurred.
0 0 1 0 A timeout occurred in one or more target con-
nections.
0 0 1 1 Indicates that there are no tag data link settings.
0 1 1 0 Indicates that one or more connections are per-
forming communications normally.
0 1 1 1 Other than the above.