Omron NX701-1720 User Manual

8
CIP Message Communications
8-1 Overview of the CIP Message Communications Service ........................... 8-3
8-1-1
Overview of the CIP Message Communications Service ............................... 8-3
8-1-2 Message Communications Service Specifications ......................................... 8-3
8-2 CIP Message Communications Client Function.......................................... 8-4
8-2-1 Overview......................................................................................................... 8-4
8-2-2 CIP Communications Instructions................................................................... 8-4
8-2-3 Using CIP Communications Instructions ........................................................ 8-5
8-2-4 Route Path...................................................................................................... 8-6
8-2-5 Request Path (IOI)........................................................................................ 8-16
8-2-6 Service Data and Response Data ................................................................ 8-20
8-2-7 Sample Programming for CIP Connectionless (UCMM) Message
Communications............................................................................................ 8-22
8-2-8 Sample Programming for CIP Connection (Class 3) Message Com-
munications ................................................................................................... 8-27
8-2-9 Operation Timing .......................................................................................... 8-34
8-2-10 Response Codes .......................................................................................... 8-35
8-3 CIP Communication Server Function......................................................... 8-39
8-3-1 CIP Message Structure for Accessing CIP Objects...................................... 8-39
8-3-2 CIP Message Structure for Accessing Variables .......................................... 8-40
8-4 Specifying Request Path .............................................................................8-41
8-4-1 Examples of CIP Object Specifications ........................................................ 8-41
8-4-2 Examples of Variable Specifications............................................................. 8-42
8-4-3 Logical Segment ........................................................................................... 8-42
8-4-4 Data Segment............................................................................................... 8-42
8-4-5 Specifying Variable Names in Request Paths............................................... 8-43
8-5 CIP Object Services ..................................................................................... 8-47
8-5-1 CIP Objects Sent to the Built-in EtherNet/IP Port ......................................... 8-47
8-5-2 Identity Object (Class ID: 01 hex) ................................................................. 8-47
8-5-3 NX Configuration Object (Class ID: 74 hex) ................................................. 8-50
8-5-4 TCP/IP Interface Object (Class ID: F5 hex).................................................. 8-72
8-5-5 Ethernet Link Object (Class ID: F6 hex) ....................................................... 8-75
8-5-6 Controller Object (Class ID: C4 hex) ............................................................ 8-81
8-6 Read and Write Services for Variables....................................................... 8-83
8-6-1 Read Service for Variables ........................................................................... 8-83
8-6-2 Write Service for Variables............................................................................ 8-84
8-7 Variable Data Types...................................................................................... 8-87
8-7-1 Data Type Codes .......................................................................................... 8-87
8-7-2 Common Format........................................................................................... 8-87
8-1
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8

Omron NX701-1720 Specifications

General

Brand	Omron
Model	NX701-1720
Category	Controller
Language	English