Chapter 9: Message transfers
9-1 Message sending procedures and data reception details
This section describes procedures used for the settings needed to send (or request) messages using the message transfer function, as well as the details for receiving data from a node. 
See page
Send data (request)
Receive data (response)
This node | Node |
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for the JW- | exchange |
50FL | data |
1Setting the parameters
Specify the transmission buffer area that will be used to send (request) and receive (response) messages.
1) Specify the area for the transmission buffer
When the top address of the transmission buffer has been entered, the area (address + 0000 to 4055(8): 2094 bytes) will be allocated. Enter the top address at parameter address (34 to 36(8)).
Parameter
address(8)
Details
34Top address (word address) of transmission buffer
35- Address 34 is for the lower digit. Address 35 is for the upper digit.
36File number of the transmission buffer
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2) Set the transmission buffer to "Used"
Select whether or not to enable each message classification. Enter your choices at parameter address 37(8).
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| 37 | Enable/disable use of a transmission type buffer |
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3) Set the start switch |
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Change the parameter setting at address 77(8) from 00(H) to 01(H), and transfer the setting details for the control module to the
Parameter address(8) | Detail |
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77 | Start switch |
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