Mitsubishi Electric Melsec Q Series User Manual page 12

3.4.1 Buffer memory list................................................................................................................... 3 - 17
3.4.2 Local station information area................................................................................................. 3 - 21
3.4.3 Operation mode change area ................................................................................................. 3 - 23
3.4.4 I/O data exchange area .......................................................................................................... 3 - 24
3.4.5 Slave status area .................................................................................................................... 3 - 29
3.4.6 Diagnostic information area .................................................................................................... 3 - 36
3.4.7 Extended diagnostic information read area ............................................................................ 3 - 43
3.4.8 Bus cycle time area ................................................................................................................ 3 - 44
3.4.9 Global control area ................................................................................................................. 3 - 45
3.4.10 Acyclic communication area ................................................................................................... 3 - 47
3.4.11 Alarm area .............................................................................................................................. 3 - 51
3.4.12 Time control area.................................................................................................................... 3 - 51
3.4.13 Temporary slave reservation area .......................................................................................... 3 - 52
3.4.14 Redundant system area.......................................................................................................... 3 - 54
3.5 Processing Time ............................................................................................................................ 3 - 59
3.5.1 Bus cycle time......................................................................................................................... 3 - 59
3.5.2 Transmission delay time ......................................................................................................... 3 - 63
3.5.3 System switching time in redundant system........................................................................... 3 - 65
CHAPTER4 FUNCTIONS
4.1 PROFIBUS-DPV0 Functions ........................................................................................................... 4 - 2
4.1.1 I/O data exchange .................................................................................................................... 4 - 2
4.1.2 Acquisition of diagnostic and/or extended diagnostic information ............................................ 4 - 4
4.1.3 Global control function .............................................................................................................. 4 - 7
4.2 PROFIBUS-DPV1 Functions ......................................................................................................... 4 - 11
4.2.1 Acyclic communication with DP-Slaves .................................................................................. 4 - 11
4.2.2 Alarm acquisition .................................................................................................................... 4 - 14
4.3 PROFIBUS-DPV2 Functions ......................................................................................................... 4 - 16
4.3.1 Time control over DP-Slaves .................................................................................................. 4 - 16
4.4 Data Swap Function ...................................................................................................................... 4 - 18
4.5 Data Consistency Function............................................................................................................ 4 - 20
4.6 Output Status Setting for the Case of a CPU Stop Error ............................................................... 4 - 23
4.7 Temporary slave reservation function............................................................................................ 4 - 26
4.8 Redundant system support function .............................................................................................. 4 - 28
4.9 QJ71PB92D-Compatible Function................................................................................................. 4 - 38
CHAPTER5 SETTINGS AND PROCEDURES BEFORE SYSTEM OPERATION
5.1 Implementation and Installation ....................................................................................................... 5 - 1
5.1.1 Handling precautions ................................................................................................................ 5 - 1
5.2 Procedures Before System Operation ............................................................................................. 5 - 2
5.2.1 In the case of the single CPU system....................................................................................... 5 - 2
5.2.2 In the case of the redundant system......................................................................................... 5 - 3
5.3 Part Names and Settings ................................................................................................................. 5 - 5
5.4 Self-diagnostics ............................................................................................................................... 5 - 7
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