Omron CS1W-CRM21 - Page 180

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Using FINS Message Communications Section 6-3
Response Read Timing Read the response when the Network Communications Enable Flag for the
port turns ON, as shown below.
Example: FINS
Command Sent using
CMND(490)
Operation • Here, controller data is read from the CompoNet Master Unit.
• READ CONTROLLER DATA (0501) is used to read the data.
• The command data is written to D01000 onwards in the CPU Unit of the
PLC to which the CompoNet Master Unit is connected, and the response
data is stored in D02000 onwards.
• If the command results in an error, the completion code is stored in
D00006 and the command is sent again.
Command Details
Network
Communications
Enable Flag
Response read
processing
PLC
CS/CJ-series
CompoNet Master Unit
Unit number 0
CMND(490)
CS/CJ-series PLC
[ CMND S D C ]
S D01000 +0 : 0501 hex Command code
D D02000 : First response word
C D00000 +0 : 0002 hex Number of command data bytes
+1 : 002E hex Number of response data bytes: 46
+2 : 0000 hex Remote (destination) network address
+3 : 0020 hex Remote (destination) node address: 00 hex
Remote (destination) unit address: 20 hex
+4 : 0000 hex Response: Required; Communications port
No.: 0; Number of retries: 0 hex
+5 : 0064 hex Response monitoring time