CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 271

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Sending Explicit Messages
9-1-1
Command Format Example: Get_Attribute_All Service to Identity Object
Sending Explicit Messages Using CMND(490)
Command
38
28
01
8
code
Unconnected Send service: 52 Hex
Service code
Get_Attribute_All service
2E
10
02
Request path size = 2 words: 02 Hex
.
Request path size (2 words)
Last hop data
Transport
32
00
20
2
Routing service data
ID
8-bit class ID
Request path
Class ID Connection Manager: 06 Hex
00
01
35
Route path
5
With a CS/CJ-series EtherNet/IP Unit or built-in EtherNet/IP port, a
CMND(490) in the CPU Unit’s ladder program can send CIP UCMM explicit
messages.
Send the CIP UCMM explicit message’s command data in a FINS command
following the 2810 hex FINS command code.
The CIP UCMM explicit message’s response is received following the
2810 hex FINS command code and the FINS completion code.
The following command is used: [ CMND
S: First command word
D: First response word
C: First control data word
Command data is set in order starting with the word specified for the
CMND(490) operand S (first command word) and continuing with words with
higher addresses in I/O memory in the command block format.
Class ID identity object
Service code
30
05
24
0
8-bit class ID: 20 Hex
8-bit instance ID: 24 Hex
Padding data
DC
2E
01
.
Instance ID
Route path
52
08
32
(8 words)
2
size
02
00
00
20
12
Ethernet port: 12 Hex
Request path
0D
06
Routing service data
Routing service data
Route path size (13 bytes)
24
31
1
8-bit instance ID: 24 Hex
Route path
01
39
9
Instance ID
0A
32
2
Priority/Time Tick
S
0C
2E
.
Time Out Ticks
request size
Message
06
31
1
D
00
36
6
Section 9-1
C ]
243