Cip Communications Instructions - Omron Sysmac NJ-series User Manual

8-2-2

CIP Communications Instructions

The following CIP communications instructions are available. For details on CIP communications
instructions, refer to the NJ/NX-series Instructions Reference Manual (Cat. No. W502).
Instruction Name
Read Variable
CIPUCMMRead UCMM Explicit
Write Variable
CIPUCMMWrite UCMM Explicit
Send Explicit
Message
CIPUCMMSend UCMM
Open CIP Class
3 Connection
CIPOpen
(Large_For-
ward_Open)
Open CIP Class
CIPOpenWithD 3 Connection
ataSize with Specified
Data Size
Read Variable
CIPRead Class 3 Explicit
Write Variable
CIPWrite Class 3 Explicit
Send Explicit
Message Class
CIPSend 3
Close CIP Class
CIPClose
3 Connection
Version Information
A CPU Unit with unit version 1.06 or later and Sysmac Studio version 1.07 or higher are required
to use the CIPOpenWithDataSize instruction.
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Description
Reads the value of a variable with a Network Publish attribute from
the specified remote Controller on the CIP network and stores the
value in a variable at the local Controller.
Writes the value of a variable at the local controller to a variable
with a Network Publish attribute at the specified remote Controller
on the CIP network.
Sends a specified CIP command to the specified remote Controller
on the CIP network.
Refer to 8-2-10 Response Codes and 8-5 CIP Object Services for
information on the service codes and response codes that are used
with the NJ/NX-series CPU Units.
Opens a CIP class 3 connection (Large_Forward_Open) with the
specified remote node.
Opens a CIP class 3 connection with the specified remote node that
allows class 3 explicit messages of the specified data length or
shorter to be sent and received.
Reads the value of a variable with a Network Publish attribute from
the specified remote Controller on the CIP network and stores the
value in a variable at the local Controller.
Writes the value of a variable at the local controller to a variable
with a Network Publish attribute at the specified remote Controller
on the CIP network.
Sends a specified class-3 CIP command to the specified remote
Controller on the CIP network.
Refer to 8-2-10 Response Codes and 8-5 CIP Object Services for
information on the service codes and response codes that are used
with the NJ/NX-series CPU Units.
This instruction closes the CIP class 3 connection that is specified
by the handle.
8 CIP Message Communications
Communica-
tions method
CIP UCMM
connectionless
messages
CIP class 3 con-
nection mes-
sage
8
8-5