Node Status Management; Fl-Net Self-Node Management Table; Table 8-7 Node Status Management Table Overview; Table 8-8 Self-Node Management Table - Hitachi FL.NET User Manual

8 APPENDIXES

8.2.3 Node status management

As outlined in Table 8-7, node status management is exercised with the self-node management
table, entering node management table, and network management table.

Table 8-7 Node Status Management Table Overview

Self-node management table
Entering node management table
Network management table

8.2.4 FL-net self-node management table

(1) Basic features
This table manages the data about self-node settings as summarized below:
• Used to read enter request frames and network parameters.
• Management data is set by a higher FL-net layer at the time of node startup.
• The node name and the transmission area starting address and size of common memory can
be set from the network.
(2) Management data
Node number
Area 1 data starting address for common memory
Area 1 data size for common memory
Area 2 data starting address for common memory
Area 2 data size for common memory
Higher layer status
Token surveillance timeout
Minimum frame interval
Vendor name
Maker form
Node name (equipment name)
Protocol version
FA link status
Self-node status
Name

Table 8-8 Self-node Management Table

Item
Description
Manages the self-node settings.
Manages the information about nodes that have
entered in the network.
Manages the common information about the
entire network.
Length
1 byte 1 to 254
2 bytes Word address (0 to 0x1FF)
2 bytes Size (0 to 0x1FF)
2 bytes Word address (0 to 0x1FFF)
2 bytes Size (0 to 0x1FFF)
2 bytes RUN/STOP/ALARM/WARNING/NORMAL
1 byte Variable in 1 ms units
1 byte Variable in 100 μs units
10 bytes Name of the vendor
10 bytes Maker form/device name
10 bytes User-defined node name
1 byte Fixed at 0x80
1 byte Entering/leaving, etc.
1 byte Node number duplication detection, etc.
8-16
Description