CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 250
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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Communicating between OMRON PLCs
8-6-3
SEND(090)
222
(@)SEND(90)
Using SEND(090), RECV(098), and CMND(490)
D
C
S
Note
S: Local node beginning word
D: Destination beginning word
C: First word of control data (below)
C+1
C+2
C
15
15
15
Destination node number N
00 to FE (Hex): 0 to 254
The same data can be broadcast to all nodes on the network by
setting the destination node number to FF (Hex).
The range of node addresses is different for networks other than Ethernet.
0
0001 to 03DE (Hex): 1 to 990 words
Number of words (n)
Make the settings shown below when using the SEND(090), RECV(098), and
CMND(490) instructions in the user’s ladder-diagram program in the PC.
The SEND(090) instruction sends the data in n number of words, starting from
the beginning word S at the local node, to the words starting from the begin-
ning word D at the remote destination node (node address N).
The message service does not guarantee that a message will reach the desti-
nation node. A message may be lost during transmission due to factors such
as noise. To prevent this from occurring when using message services, it is
common to set up retry processing at the node from which instructions are
issued. With the SEND(090), RECV(098), and CMND(490) instructions, retry
processing is executed automatically by specifying the number of retries, so
specify a number other than 0.
11
11
Destination network number
00 (Hex):
01 to 7F (Hex): 1 to 127
0
8 7
8 7
Destination unit address
00 (Hex):
10 to 1F: (Hex): Unit #0 to #15
E1 (Hex):
FE (Hex):
Local network
0
0
0
S→
15
CPU Unit
Inner Board
Unit connected to network
Local node
0
C+3
C+4
Number
of words
(n)
15
Response
0: Required.
1: Not required.
0
10
Destination node number N
8 7
Communications port number: 0 to 7
D→
Response monitor time
0000 (Hex): 2 s
0001 to FFFF (Hex): 0.1 to 6,553.5 s
(in units of 0.1 s)
0
15
3
0
Number of retries
0 to F (Hex): 0 to 15 retries
0
n
Section 8-6
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