Omron CJ1W-FLN22, Operation Manual, Page: 45 / 277

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FL-net Section 2-1
Data Areas and Memory
Communications
Management Tables
Node status is managed using three types of management tables: Local node
management tables, participating node management tables, and network
management
Local Node Management
Table The local node management table manages the local node settings.
Note “0x0012ab” refers to hexadecimal 0012AB.
CPU Unit
FL-net Communications Unit
Cyclic transmission
Common Memory Area 1
Common Memory Area 2
Message transmission buffer area
FL-net management table area
FL-net parameter area
Physical memory
Message tr
a
n
smission
FL-net
Item Bytes Contents (data range)
Node number 1 byte 1 to 249
Common Memory Area 1 first word 2 bytes Word address (0 to 0xff)
Common Memory Area 1 data size 2 bytes Size (0 to 0x200)
Common Memory Area 2 first word 2 bytes Word address (0 to 0x1fff)
Common Memory Area 2 data size 2 bytes Size (0 to 0x2000)
Upper layer status 2 bytes RUN/STOP /ALARM/WARNING/NORMAL
Token monitoring time 1 byte Unit: 1 ms
Minimum allowable frame interval 1 byte Unit: 100
µ
s
Vendor code 10 bytes Vendor code
Manufacturer model 10 bytes Manufacturer model, device name
Node name (equipment name) 10 bytes User-defined node name
Protocol version 1 byte 0x80 (fixed)
FA link status 1 byte Participating, not participating, etc.
Local node status 1 byte Duplicate node number detection, etc.