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8 Message Communications
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-3 CIP Objects Sent to the Built-in EtherNet/IP Port
8
8-3-3 TCP/IP Interface Object (Class ID: F5
hex)
Instance Attribute ID
The instance attribute ID specifies the attribute of the instance.
z Service Codes
Specify the service to execute with the service code.
Attribute ID Parameter name Description Attribute
Read/write data
Data
type
Value
01 hex Interface Configration
Status
Indicates the IP address settings
status of the built-in EtherNet/IP
port.
Read DWORD Bit 0: IP address is not set (also
during startup of BOOTP).
Bit 1: IP address is set.
02 hex Configuration Capability Indicates a Controller Configura-
tions and Setup that can be set to
the built-in EtherNet/IP port.
Read DWORD Bit 0: BOOTP Client: Always
TRUE.
Bit 1: DNS Client: Always TRUE.
Bit 2: DHCP Client: Always
FALSE.
Bit 3: DHCP-DNS Update: Always
FALSE.
Bit 4: Configuration Settable:
Always TRUE.
Bits 5 to 31: Reserved (always
FALSE).
03 hex Configuration Control Sets the method used to set the
IP address when the EtherNet/IP
port starts.
Write DWORD Bit 0: Static IP address.
Bit 1: Set by BOOTP.
04 hex Physical Link Object The path to the link object in the
physical layer.
Read Struct 0000 hex
Path size The path size (WORD size). UINT 0002 hex
Path The path to the link object in the
physical layer (static).
EPATH 20 F6 24 01 hex
05 hex Interface Cofiguration The built-in EtherNet/IP port set-
tings.
Write Struct ---
IP Address IP address. UDINT Set value
Network Mask Subnet mask. UDINT Set value
Gateway Address The default gateway. UDINT Set value
Nama Server The primary name server. UDINT Set value
Nama Server2 The secondary name server
(reserved).
UDINT Always 0000 hex.
Domain Name The domain name (reserved). STRING Always 0000 hex.
06 hex Host Name The host name (reserved). Write STRING Always 0000 hex.
Service
code
Parameter name Description
Supported services
Classes Instances
01 hex Get_Attribute_All Reads the values of the attributes. Sup-
ported.
Sup-
ported.
0E hex Get_Attribute_Single Reads the value of the specified attribute. Sup-
ported.
Sup-
ported.
10 hex Set_Attribute_Single Writes a value to the specified attribute. The built-in EtherNet/IP port
restarts automatically after the value is written to the attribute. When
the restart process is not completed and the next Set_Attribute_Single
is executed, the general status “0C hex” (Object State Conflict) is
returned.
No sup-
ported.
Sup-
ported.
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