Chapter 10: Communication Control
[5] Participating node management table
Shows the information for the node numbers at address offset +300 for each table.
Address(8) | Details | Corresponding | |
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+224 to 225 | Common memory (area 1) storage address | C_AD1 | |
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+226 to 227 | Common memory (area 1) storage size | C_SZ1 | |
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+230 to 231 | Common memory (area 2) storage address | C_AD2 | |
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+232 to 233 | Common memory (area 2) storage size | C_SZ2 | |
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+234 | FA link layer status | LKS | |
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+235 | Reserved area |
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+236 to 237 | Upper layer status | ULS | |
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+240 | Token monitor timeout time | TW | |
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+241 | Reserved area |
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+242 | Minimum allowable time between frames | MTF | |
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+243 | Reserved area |
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+244 to 245 | Time allowed for the refresh cycle | RCT | |
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+246 to 253 | Reserved |
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-Addresses +224 to 253(8) are offset addresses calculated from the top address that is stored in the parameter at addresses 30 to 32(8).
-The details of the offset addresses at +234 (FA link layer status) and at +236 to 237 (upper layer status) are the same as for offset addresses +202 and +204 to 205 in the Local Node Control Table.
[6]Network management table
Shows the information shared by the network.
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10 |
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| +254 | Token holding the node number |
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| +255 | Reserved area |
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| +256 | Minimum allowable time between frames | MFT | |
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| +257 | Reserved area |
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| +260 to 261 | Refresh cycle measured time (calculated value) |
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| +262 to 263 | Refresh cycle measured time (current value) |
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| +264 to 265 | Refresh cycle measured time (max. value) |
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| +266 to 267 | Refresh cycle measured time (min. value) |
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-Addresses +254 to 267(8) are offset addresses calculated from the top address that is stored in the parameter at addresses 30 to 32(8).