Chapter 8: Cyclic Transfer
8-1 Setting procedures
This section describes all of the
1Specify a parameter area See Chapter 12.
A parameter area is allocated within the control module.
-When the JW20H, JW30H, or
-When the JW50H/70H/100H is used for host PC, set switch SW3 on the
2Enter basic data
Enter basic data (node number, token monitor interval, and minimum separation of frames) in the parameter area (addresses 00 to 05(8)).
3Settings related to cyclic transfers
1)Enter the top address for the common memory areas (area 1 and 2)
-The data memory area (see pages
-Enter the top addresses for area 1 and area 2 at parameter addresses 20 to 26(8) as word addresses (see pages
| 2) Enter the send area address for this node |
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| - Enter the send area parameters for this node (top address and data length) for areas 1 and | |||
| 2 at addresses 10 to 17(8). Enter a word address (page |
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4 Settings related to message transfers |
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| When you will not be using the client | function in the messages that are sent, this setting is not |
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1) Set the buffer area for transmitted messages
Enter the top address of the transmission buffer, and this area (address +0000 to 4055(8):
2094 bytes) will also be set. Enter the top address at parameter addresses 34 to 36(8).
2) Enable use of the transmission buffer
Enable/disable the use of this buffer for each message. Use parameter address 37(8).
5Assign the communication management area See Chapter 10 (page
Enter the top address of the communication management area, and the areas (address +000 to 301(8): 194 bytes) will also be set. Enter the top address at parameter addresses 20 to 26(8).
6Enter the node name
Enter the node name at parameter addresses 40 to 51(8), if required.
7Enter a SEND/RECEIVE instruction
When using the SEND/RECEIVE function, enter a
8Set the start switch
Change the value at parameter address 77(8) from 00(H) to 01(H), and transfer the parameter setting details from the control module (CPU board) to the