1 Introduction to NJ-series Controllers
1-8
NJ-series CPU Unit Software User’s Manual (W501)
*1 Execution objects and variable tables (including variable names)
*2 Does not include Holding, DM, and EM Area memory for CJ-series Units.
*3 Does not include CIO and Work Area memory for CJ-series Units.
*4 This is the total for all axis types.
*5 This is the total number of axes that are set as servo axes or encoder axes and are also set as used axes.
*6 Data will be refreshed at the set interval, regardless of the number of nodes.
*7 “pps” means packets per second, i.e., the number of communications packets that can be sent or received in one second.
*8 As the EtherNet/IP port implements the IGMP client, unnecessary multi-cast packets can be filtered by using an Ethernet switch that
supports IGMP Snooping.
Note Items that are marked with asterisks in the table are improvements that were made during version upgrades. Refer to A-
12 Version Information for information on version upgrades.
Built-in
Ether-
Net/IP port
Physical layer 10BASE-T/100BASE-TX
Media access method CSMA/CD
Modulation Baseband
Topology Star
Baud rate 100 Mbps (100Base-TX)
Transmission media
STP (shielded, twisted-pair) cable of Ethernet category 5, 5e or
higher
Maximum Transmission distance between Ethernet switch and node 100 m
Maximum number of cascade connections There are no restrictions if an Ethernet switch is used.
CIP service: Tag
data links (cyclic
communica-
tions)
Maximum number of connections 32
Packet interval
*6
1 to 10,000 ms in 1-ms increments (*)
Can be set for each connection.
Permissible communications band
3,000 pps
*7
(including heartbeat) (*)
Number of tag sets 32
Tag types Network variables, CIO, Work, Holding, DM, and EM Areas
Number of tags per connection (i.e., per tag set) 8 (7 tags if Controller status is included in the tag set.)
Maximum link data size per node (total size for all
tags)
19,200 bytes
Maximum data size per connection 600 bytes
Maximum number of registrable tag sets 32 (1 connection = 1 tag set)
Maximum tag set size
600 bytes (Two bytes are used if Controller status is included in
the tag set.)
Multi-cast packet filter
*8
Supported
Built-in
EtherCAT
port
Communications standard IEC 61158 Type12
EtherCAT master specifications Class B (Feature Pack Motion Control compliant)
Physical layer 100BASE-TX
Modulation Baseband
Baud rate 100 Mbps (100Base-TX)
Duplex mode Auto
Topology Line, daisy chain, and branching
Transmission media
Twisted-pair cable of category 5 or higher (double-shielded
straight cable with aluminum tape and braiding)
Maximum transmission distance between nodes 100 m
Maximum number of slaves 192
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