1-7
1 Introduction
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
1-3 Built-in EtherNet/IP Port
1
1-3-1 Specifications
1-3 Built-in EtherNet/IP Port
1-3-1 Specifications
Item Specifications
Communications protocol TCP/IP or UDP/IP
Supported services
Sysmac Studio connection, tag data link, CIP
message communications, socket services, FTP
server, automatic clock adjustment (NTP client),
SNMP agent, DNS client, and BOOTP client
Physical layer
100Base-TX or 10Base-T (100Base-TX is rec-
ommended.)
*1
Transmission
specifications
Media access method CSMA/CD
Modulation Baseband
Transmission paths Star form
Baud rate 100 Mbps (100Base-TX)
Transmission media
Shielded twisted-pair (STP) cable, Category 5,
5e, or higher
Transmission distance 100 m max. (distance between hub and node)
Number of cascade connections
There is no limitation when a Ethernet switch is
used.
CIP service: Tag
data links (cyclic
communications)
Number of connections 32
Packet interval (refresh cycle)
10 to 10,000 ms in 1-ms increments
Packet intervals can be set independently for
each connection. (Data is refreshed over the
network at the preset interval and does not
depend on the number of nodes.)
Allowed communications band-
width per Unit
1,000 pps
*2
Note This includes the heartbeat.
Number of registrable tags 256
Tag types
Network variables
CIO, Work, Holding, DM, or EM Area
Number of tags per connection (= 1
tag set)
8 (7 tags when the tag set contains the Control-
ler status)
Maximum link data size per node 19,200 bytes
Maximum data size per connection
600 bytes
*3
Note Data concurrency is maintained within
each connection. Refer to 7-1-7 Concur-
rency of Tag Data Link Data for methods
to maintain concurrency.
Number of registrable tag sets 32 (1 connection = 1 tag set)
Maximum size of 1 tag set
300 words (The Controller status uses 1 word
when the tag set contains the Controller status.)
Changing tag data link parameters
when Controller is in RUN mode
Supported
*4
Multi-cast packet filter
*5
Supported
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