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[7] Communication management table
The status of each node is controlled using an individual node management table (maintained by the
node itself), a participating node management table, and a network management table.
(1) Local node management table
The settings in each local node management table are controlled by the node itself.
Local node management table
Node number
Area 1 of common memory: Data top
address
Area 1 of common memory: Data size
Area 2 of common memory: Data top
address
Area 2 of common memory: Data size
Upper layer status
Token monitor time
Minimum separation of frames
Vendor name
Manufacturer name
Node name (facility name)
Protocol version
FA link status
Local node's status
- "0x1ff" is the hexadecimal notation for 1FF
For details about the local node management table maintained by the JW-50FL, see page
10-5.
Number
Item
of bytes
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 In units of 1 msec.
1 byte In units of 100 µsec.
10 bytes Vender name
10 bytes Manufacture model name, device name
10 bytes Node name by user entry
1 byte Fixed to 0x80
1 byte Participate/leave
1 byte Doubled node number detection, etc.
(HEX)
7-13
Chapter 7: Computer Link Function
Description
.
7
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