Mitsubishi FX3U-32DP, User Manual

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36
FX
3U
-32DP PROFIBUS-DP Interface Block
User’s Manual
6 Buffer Memory Allocation
6.1 Buffer Memory (BFM) List
6. Buffer Memory Allocation
6.1 Buffer Memory (BFM) List
BFM No. Description
BFM Access
Reference
Read Write
BFM#0 to
BFM#19
Cyclic I/O Data Area Compatible with FX
0N
-32NT-DP
3 3
6.2
BFM#20 Data Exchange Status Register
3
−
6.3
BFM#21 Swap Byte Order
3
−
6.4
BFM#22 Cyclic Input Data Length
3
−
6.5
BFM#23 Cyclic Output Data Length
3
−
6.6
BFM#24 Transmission Speed
3
−
6.7
BFM#25 DP Communication Status Register
3 3
6.8
BFM#26 PROFIBUS Module ID 3
−
6.9
BFM#27 Slave Address 3 3 6.10
BFM#28 User Diagnostics 3 3 6.11
BFM#29 Error Status Register
3 3
6.12
BFM#30 Module ID Code
3
−
6.13
BFM#31 to
BFM#32
Not Available
− − −
BFM#33 Master Address
3
−
6.14
BFM#34 Allocated Group ID Number
3
−
6.15
BFM#35 DP-V1 Communication Parameter
3
−
6.16
BFM#36 Start/Stop DP Communication
3 3
6.17
BFM#37 Consistency Handling Error Flags 3 3 6.18
BFM#38 Setting Error Flags 3 3 6.19
BFM#39 to
BFM#97
Not Available
BFM#98 Cyclic Input Data Consistency Activate/Deactivate Flag
3 3
6.20
BFM#99 Cyclic Input Data Send Flag
3 3
6.21
BFM#100 to
BFM#171 Cyclic Input Data Send Area
Max. 144 Byte
3 3
6.22
BFM#172 to
BFM#297
Not Available
− − −
BFM#298 Cyclic Output Data Consistency Activate/Deactivate Flag 3 3 6.23
BFM#299 Cyclic Output Data Read Flag
3 3
6.24
BFM#300 to
BFM#371 Cyclic Output Data Receive Area
Max. 144 Byte
3
−
6.25
BFM#372 to
BFM#498
Not Available
− − −
BEM#499 Acyclic Input Data Send Flag (Class1)
3 3
6.26
BFM#500 to
BFM#572 Acyclic Input Data Send Area (Class1)
Max. 140 Byte
3
3
*1
6.27
BFM#573 to
BFM#698
Not Available
− − −
BFM#699 Acyclic Output Data Read Flag (Class1)
3 3
6.28
BFM#700 to
BFM#772 Acyclic Output Data Receive Area (Class1)
Max. 140 Byte
3
−
6.29