Chapter 8: Cyclic Transfer - Sharp JW-20FL5 User Manual

Chapter 8: Cyclic Transfer

To execute a cyclic transfer using the FL-net module (JW-20FL5/20FLT and JW-50FL) and FL-net
board (Z-336J), the parameters in the common memory areas (area 1 and 2) must be set.
Node 1
Node f
Area 1
Node n
Common
Node 1
memory
area
Node f
Area 2
Node n
Capacity
Common
memory area
- Nodes used to execute a cyclic transfer must have 8.5 K words of memory available for the
common memory area.
- Areas that can be allocated as the common memory area
- Notes on the common memory areas
Parameter items to set
Top address and file number on a PC
Area 1 Top address of sending area (this node)
Sending data length (this node)
Top address and file number on a PC
Area 2 Top address of sending area (this node)
Sending data length (this node)
- Set the parameters for use by the module in controlling any module (CPU board) installed in
this module.
Token Data
Node
1
Area 1 8K bits (8192 bits = 1024 bytes)
Area 2 8K words (8192 words = 16384 bytes)
Set item
See "Chapter 12: Parameters."
Own
node
(node f)
1
Node 1
2
Node f
3
Node n
4
Node 1
5
Node f
6
Node n
f = 1 to n (n:1 to 249)
Page 8-4 to 8-6.
Next page.
Reference number
of the figure above
8-1
Chapter 8: Cyclic Transfer
Node
n
Node 1
Node f
Node n
Node 1
Node f
Node n
8.5K words
Parameter
address
(8)
20 to 22
1
2 10 to 11
3 12 to 13
4 24 to 26
5 14 to 15
6 16 to 17
8