CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 220
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CJ1W-EIP21
Manufacturer Part Number
CJ1W-EIP21
Description
Ethernet I/P Module
Manufacturer
Omron
Datasheet
1.CJ1W-EIP21.pdf
(469 pages)
Specifications of CJ1W-EIP21
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Explicit Message Communications
7-3
192
Network communi-
cations instruction
Functions supported
in remote devices
Explicit message
Explicit Message Communications
CIP UCMM messages can be sent to an EtherNet/IP
Unit or built-in EtherNet/IP port by a CMND(490)
instruction containing FINS command code 2810
Hex.
• Masters/slaves made by other manufacturers:
• PLC with a CS/CJ-series EtherNet/IP Unit or built-in
Supported services determine supported functions.
EtherNet/IP port:
Supports the reading/writing of a remote CPU Unit’s
status information and I/O memory data.
Note Specific FINS commands (commands 2810 and 2801) are used to send
Note The CS/CJ-series EtherNet/IP Units and built-in EtherNet/IP ports (CS1W-
Explicit messages defined in EtherNet/IP can be used to send service
requests to other companies’ EtherNet/IP masters/slaves and OMRON PLCs
with CS/CJ-series EtherNet/IP Units and built-in EtherNet/IP ports.
explicit messages.
EIP21, CJ1W-EIP21, CJ2H-CPU@@-EIP, or CJ2M-CPU3@) contain a PLC
Object, so that other devices can read/write the I/O memory of the CPU Unit
with the built-in EtherNet/IP port or the CPU Unit to which the EtherNet/IP Unit
is mounted.
Sending
Automatically responds to explicit mes-
sages from other devices.
• Masters made by other manufacturers
• PLC with a CS/CJ-series EtherNet/IP Unit
or built-in EtherNet/IP port: Supports the
reading/writing of the local CPU Unit’s sta-
tus information and I/O memory data.
Receiving
Section 7-3
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