Omron NX Series User Manual page 13

9-4 Tag Data Links with Other Models .....................................................................................9-78
9-5 QuickConnect.......................................................................................................................9-82
9-5-1 Method of Use ...........................................................................................................................9-82
9-5-2 Managed Switches ....................................................................................................................9-83
Section 10 CIP Message Communications
10-1 Overview of the CIP Message Communications Service .................................................10-2
10-1-1 Overview of the CIP Message Communications Service ..........................................................10-2
10-1-2 Message Communications Service Specifications....................................................................10-2
10-2 Client Function of CIP Message Communications ...........................................................10-3
10-2-1 Overview ...................................................................................................................................10-3
10-2-2 CIP Communications Instructions .............................................................................................10-3
10-2-3 Using CIP Communications Instructions ...................................................................................10-4
10-2-4 Route Path ................................................................................................................................10-4
10-2-5 Request Path (IOI) ..................................................................................................................10-13
10-2-6 Service Data and Response Data ...........................................................................................10-16
10-2-7 Operation Timing.....................................................................................................................10-18
10-2-8 Response Codes.....................................................................................................................10-19
10-3 Server Function of CIP Message Communications........................................................10-23
10-3-1 CIP Message Structure for Accessing CIP Objects ................................................................10-24
10-4 Specifying Request Path...................................................................................................10-26
10-4-1 Examples of CIP Object Specifications ...................................................................................10-26
10-4-2 Logical Segment .....................................................................................................................10-27
10-5 CIP Object Services ...........................................................................................................10-28
10-5-1 CIP Objects Sent to the EtherNet/IP Port ...............................................................................10-28
10-5-2 Identity Object (Class ID: 01 hex) ...........................................................................................10-28
10-5-3 TCP/IP Interface Object (Class ID: F5 hex) ............................................................................10-32
10-5-4 Ethernet Link Object (Class ID: F6 hex)..................................................................................10-35
Section 11 SNMP Agent
11-1 SNMP Agent ......................................................................................................................... 11-2
11-1-1 Overview ................................................................................................................................... 11-2
11-1-2 Specifications ............................................................................................................................ 11-3
11-1-3 SNMP Messages ...................................................................................................................... 11-3
11-1-4 MIB Specifications..................................................................................................................... 11-4
11-2 Procedure to Use the SNMP Agent .................................................................................. 11-25
11-2-1 Procedures .............................................................................................................................. 11-25
11-2-2 Settings Required for the SNMP Agent................................................................................... 11-25
Section 12 Communications Performance and Communications
Load
12-1 Communications System ....................................................................................................12-2
12-1-1 Tag Data Link Communications Method ...................................................................................12-2
12-1-2 Calculating the Number of Connections....................................................................................12-5
12-1-3 Packet Interval (RPI) Accuracy .................................................................................................12-6
12-2 Adjusting the Communications Load ................................................................................12-7
12-2-1 Checking Bandwidth Usage for Tag Data Links ........................................................................12-8
12-2-2 Tag Data Link Bandwidth Usage and RPI .................................................................................12-9
12-2-3 Adjusting Device Bandwidth Usage ........................................................................................12-10
12-2-4 Changing the RPI .................................................................................................................... 12-11
12-2-5 RPI Setting Examples .............................................................................................................12-16
NX-series EtherNet/IP Unit User's Manual (W627)
CONTENTS
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