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Chapter 15: Appendix
[6] Status management of the FL-net
(1) Basic functions
Control parameters related to the network.
(2) Management data
Network management table
Token latch node number
Minimum frame interval
Allowable refresh cycle time
Measured refresh cycle time (current value)
Measured refresh cycle time (maximum value)
Measured refresh cycle time (minimum value)
[7] Control message sequence number of the FL-net
(1) Basic function
The control sequence number and version of sequence number for a message transmission.
(2) Sending control data
Sending control data for message sequence number control
Version of sequence number
Sequence number (1: N transfer) 4 bytes
Sequence number (1: 1 transfer) 4 bytes x 256
- "0xffffffff" is the hexadecimal notation for FFFFFFFF
(3) Received control data
Received control data for message serial control
Version of sequence number
Sequence number (1: 1 transfer) 4 bytes
Sequence number (1: N transfer) 4 bytes
- "0xffffffff" is the hexadecimal notation for FFFFFFFF
15
Item
Item number
Item number
Number of bytes
4 bytes
Number
of bytes
1 byte
Currently token staying node.
1 byte In units of 100 µsec.
2 bytes In units of 1 msec.
2 bytes In units of 1 msec.
2 bytes In units of 1 msec.
2 bytes In units of 1 msec.
Number of bytes
Version of sequence number for
4 bytes
the send message transmission.
0x1 to 0xffffffff
0x1 to 0xffffffff
.
(HEX)
Details
0x1 to 0xffffffff
: 0x1 to 0xffffffff
: 0x1 to 0xffffffff
.
(HEX)
15-28
Description
Details
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