Sharp JW-20FLT ユーザーズマニュアル

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10-6
Chapter 10: Communication Control
10
[5] Participating node management table
Shows the information for the node numbers at address offset +300 for each table.
- 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.
- 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)
.
Address
(8)
Details
Corresponding
header information
+224 to 225
Common memory (area 1) storage address C_AD1
+226 to 227
Common memory (area 1) storage size
C_SZ1
+230 to 231
Common memory (area 2) storage address C_AD2
+232 to 233
Common memory (area 2) storage size
C_SZ2
+234
FA link layer status
LKS
+235
Reserved area
+236 to 237
Upper layer status
ULS
+240
Token monitor timeout time
TW
+241
Reserved area
+242
Minimum allowable time between frames
MTF
+243
Reserved area
+244 to 245
Time allowed for the refresh cycle
RCT
+246 to 253
Reserved
Address
(8)
Details
Corresponding
header information
+254
Token holding the node number
+255
Reserved area
+256
Minimum allowable time between frames
MFT
+257
Reserved area
+260 to 261
Refresh cycle measured time (calculated value)
+262 to 263
Refresh cycle measured time (current value)
+264 to 265
Refresh cycle measured time (max. value)
+266 to 267
Refresh cycle measured time (min. value)