CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 273
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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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Sending Explicit Messages
Example: Sending Explicit Messages Using CMND(490)
Operation
Command Details
data and ERROR CLEAR codes, is also returned in the same order from low
to high bytes in the response block.
The identity object information (class ID = 01 hex) is read from the other com-
pany’s EtherNet/IP node at IP address 192.168.250.2, using the CIP UCMM
MESSAGE SEND command, 28 10. The command data is stored in the DM
Area starting at DM01000, and the response data is stored in the DM Area
starting at D02000. If the command ends with an error, the end code is stored
in D00006 and command transmission is retried.
[CMND
S = D01000: First command word
Words S+6 to S+19 contain the request data.
Words S+8 to S+10 contain the request message request.
Words S+9 and S+10 contain the request path.
Words S+11to S+19 contain the root path.
D01000 = 2810 hex
D01001 = 0000 hex
D01002 = 05DC hex
D01003 = 5202 hex
D01004 = 2006 hex
D01005 = 2401 hex
D01006 = 0A0C hex
D01007 = 0600 hex
D01008 = 0102 hex
D01009 = 2001 hex
D01010 = 2401 hex
D01011 = 0800 hex
D01012 = 120D hex
D01013 = 3139 hex
D01014 = 322E hex
D01015 = 3136 hex
S
Explicit
message
D
EtherNet/IP node of other manufacturer
Command Code
Transport ID: 0000 hex
Message monitoring time: 15.00 s
Slave code: 52 hex (Unconnected Send)
Request path size: 2 words
Request path: 20 06 24 01 hex
(Connection Manager)
Class ID: 06 hex
Instance ID: 01 hex
Priority/Time_Tick: 0A hex
Time Out Ticks: 0C hex
Message request size: 6 bytes
Service: 01 hex (Get_Attribute_All)
Request path size: 2 words
8-bit class ID: 20 hex
Class ID: 01 hex
8-bit instance ID: 24 hex
Instance ID: 01 hex (Identity object)
Route path size: 8 words
Extended link address size = 1 hex
Route path size: 13 bytes (characters) = 0D hex
IP address: “19”
IP address: “2.”
IP address: “16”
EtherNet/IP Unit
with unit number 0
PLC's
CPU
Unit
C ]
Network address: 01 hex
Node address: 05 hex
Unit address: 10 hex
CMND(490)
instruction
Section 9-1
245
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