3] node status control, 4] fl-net local node management table, 3] node status control -26 – Sharp Z-336J User Manual
Page 180: 4] fl-net local node management table -26
15-26
Chapter 15: Appendix
15
[3] Node status control
The status control of nodes consists of a local node management table, a participating nodes manage-
ment table, and a network management table. An outline of each is shown below.
Outline of each table used for node status control
[4] FL-net Local node management table
(1) Basic function
Control data relating to this node. An outline is shown below.
Used for reading participating request frames and network parameters.
The control data are set by the FL-net upper layer when this node starts.
The node name, top address and size of the data send area in the common memory can be set
through the network.
(2) Control data
Individual node management table
Item
Number
of bytes
Description
Node number
1 byte
1 to 254
Area 1 of common memory: Data top address
2 bytes Word address (0 to 0x1ff)
Area 1 of common memory: Data size
2 bytes Size (0 to 0x1ff)
Area 2 of common memory: Data top address
2 bytes Word address (0 to 0x1fff)
Area 2 of common memory: Data size
2 bytes Size (0 to 0x1fff)
Upper layer status
2 bytes RUN/STOP/ALARM/WARNING/NORMAL
Token monitor time
1 byte
In units of 1 msec.
Minimum separation of frames
1 byte
In units of 100 µsec.
Vendor name
10 bytes Vender name
Manufacturer name
10 bytes Manufacture model name, device name
Node name (facility name)
10 bytes Node name by user entry
Protocol version
1 byte
Fixed to 0x80
FA link status
1 byte
Participate/leave
Local node's status
1 byte
Doubled node number detection, etc.
Name
Details
Local node management table
Control its own node settings.
Participating nodes management table Control information about nodes participating the network.
Network management table
Control information shared throughout the network.