NXR-ILM08C-EIT
8
EtherNet/IP Communications Specifications
*1.
If tag data links are used, use 100BASE-TX.
*2.
The maximum number of connections is 10 when tag data links (Class 1), Class 3, and UCMM are used simultaneously.
*3.
You can configure output retention, clear, and other settings during Idle. Refer to the
NXR-series IO-Link Master Unit for EtherNet/IP
TM
User’s
Manual
(Cat.No.W619) for details.
Item
Specification
Communications protocols
EtherNet/IP protocol
• Implicit messages (Class1)
• Explicit messages (Class 3, UCMM)
Modulation
Baseband
Link speed
10 Mbps or 100 Mbps
Ethernet physical layer
100BASE-TX or 10BASE-T (100BASE-TX is recommended.)
*
1
Ethernet switch
Layer-2 switch
Transmission media
Category 5 or higher twisted-pair cable
(Recommended cable: double shielded cable with aluminum tape and braiding)
Transmission distance
100 m or less (Distance between nodes and between hub and node)
Topology
Line, Star, Tree, Ring
Number of connected Units
• Line, Star
No restrictions
• Tree
There is no restrictions in the number of cascade connections when an
Ethernet switch is used.
• Ring
Dependent on the ring supervisor specifications.
EtherNet/IP tag data
links
Number of connections
5
*
2
Packet interval (RPI)
1 to 10,000 ms
Allowed communications
bandwidth per Unit
4,000 pps
Explicit messages
Class 3 (number of connections)
5
*
2
However, the maximum number of connections per originator is 2
UCMM (unconnected)
Supported
*
2
EtherNet/IP I/O connection size
Input: 296 bytes max. (including input data, status, and unused areas)
Output: 258 bytes max. (including output data and unused areas)
Support functions
Supported services
Tag data link, CIP message communications, automatic clock adjustment (NTP/
SNTP client), BOOTP client, DHCP client
IP address duplication detection
Provided
Run/Idle header
Supported
*
3
QuickConnect
Supported
DLR
Ring nodes supported
