Omron NX Series - Client Function of CIP Message Communications; Overview; CIP Communications Instructions

10-2
Client Function of CIP Message Com-
munications
10-2-1
Overview
The NX-series EtherNet/IP Units can send a CIP message to an external device to request a service
by specifying an internal object of the device which supports the server function of CIP message com-
munications.
This is called the client function of CIP message communications.
The NX-series EtherNet/IP Units execute CIP communications instructions in the user program and
send CIP messages.
EtherNet/IP
CIP_SEND
Specify the CIP communications parameters,
such as the route path, as well as the service
code, the request path, and the service data.
NJ/NX-series
CPU Unit
Built-in EtherNet/IP port
NJ/NX-series
CPU Unit
NX-series
EtherNet/IP Unit
EtherNet/IP port
CIP communications instruction
10-2-2
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).
Instruc-
tions
Name Description
Communica-
tions method
CIPUCMM-
Send
Send Explicit Mes-
sage UCMM
Sends a specified CIP command to the specified remote
Controller on the CIP network.
Refer to 10-2-8 Response Codes on page 10-19 and
10-5 CIP Object Services
on page 10-28 for informa-
tion on the service codes and response codes that are
used with the NJ/NX-series CPU Units.
CIP UCMM
connectionless
message
10 CIP Message Communications
10-3
NX-series EtherNet/IP Unit User's Manual (W627)
10-2 Client Function of CIP Mes-
sage Communications
10
10-2-1 Overview