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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
8-5-3 TCP/IP Interface Object (Class ID: F5 hex)
Instance Attribute ID
The instance attribute ID specifies the attribute of the instance.
*1 The value is always FALSE for a CPU Unit with unit version 1.01 or earlier.
Attribute ID Parameter name Description Attribute
Read/write data
Data
type
Value
01 hex Interface Configuration
Status
Indicates the IP address settings
status of the interface.
Read DWORD Bits 0 to 3: Interface Configura-
tion Status:
0 = IP address is not set.
(This includes when BOOTP
is starting.)
1 = IP address is set.
Bits 4 and 5: Reserved (always
FALSE).
Bit 6: AcdStatus:
*1
FALSE = IP address colli-
sions have not been
detected.
TRUE = IP address collisions
have been detected.
Bits 7 to 31: Reserved (always
FALSE).
02 hex Configuration Capability Indicates a Controller Configura-
tions and Setup that can be set to
the interface.
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.
Bit 5: Hardware Configurable:
Always FALSE.
Bit 6: Interface Configuration
Change Requires Reset: Always
FALSE.
Bit 7: ACD Capable:
*1
Always
TRUE.
Bits 8 to 31: Reserved (always
FALSE).
03 hex Configuration Control Sets the method used to set the
IP address when the interface
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 ---
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 Configuration The interface settings. 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. UDINT Set value
Domain Name The domain name. STRING Set value
06 hex Host Name The host name (reserved). Write STRING Always 0000 hex.