Practical_modern_SCADA_protocols_-_dnp3,_60870-5_and_Related_Systems

Index
American Water Works Association (AWWA), 363
Application protocol data unit (APDU), 302–4
Application service data units (ASDUs), 237–9,
305–6
common address, 213
information object, 213–14
definitions, 217
file transfer:
ACK file, ACK section, 282
call directory, 280
file ready, 278
last section, last segment, 281
section ready, 279
segment, 283
message addressing, 214–17
parameter in control direction:
activation, 277
measured, normalized value, 274
measured, scaled value, 275
measured, short floating point number, 276
process information in control direction:
bit-string of 32 bits, 265
double command, 260
regulating step command, 261
set-point command, normalized value, 262
set-point command, scaled value, 263
set-point command, short FP number, 264
process information in monitor direction, 239
bit-string of 32 bits, 245
bit-string of 32 bits with time, 246–7
double-point with time, 242
double-point without time, 241
event of protection with time, 254–5
integrated totals, 253
integrated totals with time, 254
measured, normalized value, 247–8
measured, normalized value with time, 248
measured, normalized value without quality,
258
measured, scaled value, 249
measured, scaled value with time, 250
measured, short FP number, 251–2
measured, short FP number with time, 252
packed events of protection with time, 255
packed output of protection with time, 256
packed single-point with status change
detection, 257
single-point with time, 240
single-point without time, 239
step position information, 243
step position with time, 244
single command, 259
structure:
cause of transmission, 211–12
type identification, 204–9
variable qualifier, 209–11
system information in control direction:
clock synchronization command, 270
counter interrogation command, 268
delay acquisition command, 273
interrogation command, 267
read command, 269
reset process command, 272
test command, 271
system information in monitor direction, end of
initialization, 266
ARPAnet, 9, 335
ASDUs see application service data units
Association control service element (ACSE), 366
Attachment unit interface (AUI) cable, 318–19, 321