Ethernet/Ip Unit; Specifications - Omron CJ1W-EIP21 Operation Manuals

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EtherNet/IP Unit

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Specifications

Product
Unit classification
Mounting location
Number of mountable Units
Communications protocol
Supported services
Physical layer
Transmission

specifications

CIP service: Tag
data links (cyclic
communications)
CIP message ser-
vice: Explicit
*6
messages
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Item
Media access method
Modulation
Transmission paths
Baud rate
Transmission media
Transmission distance
Number of cascade connections
Number of connections
Packet interval (refresh cycle)
Allowed communications bandwidth
per Unit
Number of registrable tags
Tag types
Number of tags per connection (= 1
tag set)
Maximum link data size per node
Maximum data size per connection
Number of registrable tag sets
Maximum size of 1 tag set
Changing tag data link parameters
when Controller is in RUN mode
*5
Multi-cast packet filter
Class 3 (connected)
UCMM (unconnected)
*7
CIP routing
Specifications

EtherNet/IP Unit

CPU Bus Unit
CPU Rack or Expansion Rack
4 max.
TCP/IP or UDP/IP
Sysmac Studio connection, tag data link, CIP message com-
munications, FTP server, automatic clock adjustment (SNTP
client), SNMP agent, DNS client, and BOOTP client
100Base-TX or 10Base-T (100Base-TX is recommended.)
CSMA/CD
Baseband
Star form
100 Mbps (100Base-TX)
Shielded twisted-pair (STP) cable, Category 5, 5e, or higher
100 m max. (distance between hub and node)
There is no limitation when an Ethernet switch is used.
256
0.5 to 10,000 ms in 0.5-ms increments
Packet intervals can be set independently for each connec-
tion. (Data is refreshed over the network at the preset interval
and does not depend on the number of nodes.)
*2
6,000 pps
This includes the heartbeat.
256
Network variables
CIO, Work, Holding, DM, or EM Area
8 (7 tags when the tag set contains the Controller status)
369,664 bytes
*3
1,444 bytes
Note Data concurrency is maintained within each connec-
tion. Refer to 7-1-7 Concurrency of Tag Data Link Data
for methods to maintain concurrency.
256 (1 connection = 1 tag set)
722 words (The Controller status uses 1 word when the tag
set contains the Controller status.)
*4
Supported
Supported
Number of connections: 128 (clients + servers)
Number of clients that can communicate at one time: 32 max.
Number of servers that can communicate at one time: 32
max.
Supported.
CIP routing is supported for the following remote Units:
NJ501-@@@@, NJ301-@@@@, CS1W-EIP21, CJ1W-EIP21,
CJ2H-CPU@@-EIP, and CJ2M-CPU3@.
1 Introduction
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