Mitsubishi FX0N-32NT-DP, User Manual

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FX0N-32NT-DP Profibus-DP Interface Unit
viii
4. Buffer Memories (BFMs) Allocation.......................................................4-1
4.1 Buffer Memories (BFM) Lists............................................................................... 4-2
4.2 Received Output Data, Input Data to Send (BFM #0 ~ #19) <Read/Write> ........ 4-3
4.3 Data Exchange Status Bit (BFM #20) <Read Only> ........................................... 4-4
4.4 Swap Byte Order (BFM #21) <Read/Write> ........................................................ 4-4
4.5 Length of Sent Data (BFM #22), Length of Received Data (BFM #23)
<Read Only> ....................................................................................................... 4-4
4.6 Baud Rate (BFM #24) <Read Only> ................................................................... 4-5
4.7 Communication Status (BFM #25) <Read Only> ................................................ 4-6
4.7.1 Global Control Command.......................................................................................... 4-8
4.8 PROFIBUS Module ID (BFM #26) <Read Only>................................................. 4-9
4.9 Slave Address (BFM #27) <Read/Write> ............................................................ 4-9
4.10 User Diagnostics (BFM #28) <Read/Write> ...................................................... 4-10
4.11 Error Status (BFM #29) (Read Only) ................................................................. 4-11
4.11.1 General Error (BFM #29 Bit 0) ................................................................................ 4-12
4.11.2 External 24V Power Error (BFM #29 Bit 2).............................................................. 4-12
4.11.3 Hardware Error (BFM #29 Bit 3).............................................................................. 4-12
4.11.4 EEPROM Error (BFM #29 Bit 4).............................................................................. 4-12
4.11.5 FROM/TO Watchdog Timer (BFM #29 Bit 7) .......................................................... 4-13
4.11.6 Configuration Error (BFM #29 Bit 10)...................................................................... 4-13
4.11.7 Parameter Error (BFM #29 Bit 11) .......................................................................... 4-13
4.11.8 Slave Address Change Error (BFM #29 Bit 12)....................................................... 4-13
4.12 Model identification code (BFM #30) <read only> ............................................. 4-14