1 Introduction
1-8
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
*1 If tag data links are being used, use 100Base-TX.
*2 Here, pps means “packets per second” and indicates the number of packets that can be processed in one sec-
ond.
*3 To use a data size of 505 bytes or higher, the system must support a large forward open (an optional CIP spec-
ification). The CS/CJ-series Units support a large forward open, but before connecting to nodes of other com-
panies, confirm that those devices also support it.
*4 If the parameters of the built-in EtherNet/IP port are changed, the port is restarted. When other nodes are in
communications with the affected node, the communications will temporarily time out and automatically
recover later.
*5 Because the built-in EtherNet/IP port is equipped with an IGMP client (version 2), unnecessary multicast pack-
ets can be filtered by a Ethernet switch that supports IGMP snooping.
*6 The built-in EtherNet/IP port uses the TCP/UDP port numbers shown in the following table.
CIP message ser-
vice: Explicit mes-
sages
*5
Class 3 (connected) Number of connections: 32 (clients + servers)
UCMM (unconnected)
Number of clients that can communicate at one
time: 32 max.
Number of servers that can communicate at one
time: 32 max.
SNMP
Agents SNMPv1 or SNMPv2c
MIB MIB-II
EtherNet/IP conformance test Conforms to A8
Ethernet interface
10Base-T or 100Base-TX
Auto negotiation or fixed settings
Service Protocol Port number Remarks
EIP data links UDP 2222 Fixed values
Used by system UDP 2223, 2224
TCP 9610
CIP messages TCP 44818
FTP client data transfer port TCP 20
DNS client TCP/UDP 53
BOOTP client UDP 68
HTTP server TCP 80
Used by system, other TCP/UDP 9600 You can change the port number in
the Unit Settings on the Sysmac
Studio.
FTP client control port TCP 21
NTP client UDP 123
SNMP agent UDP 161
SNMP trap UDP 162
Item Specifications
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