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