Mitsubishi FX0N-32NT-DP, Руководство пользователя

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FX0N-32NT-DP Profibus-DP Interface Unit Buffer Memories (BFMs) Allocation 4
4-2
4.1 Buffer Memories (BFM) Lists
Table 4.1: Buffer Memories Lists
BFM No.
Description
Read (FROM instruction) Write (TO instruction)
BFM #0 ~ #19 Received output data (see section 4.2.) Input data to send (see section 4.2.)
BFM #20 Data exchange status bit (see section 4.3.) <Read only>
BFM #21 Swap byte order (see section 4.4.) <Read/Write>
BFM #22 Length of sent data (see section 4.5.) <Read only>
BFM #23 Length of received data (see section 4.5.) <Read only>
BFM #24 Baud rate (see section 4.6.) <Read only>
BFM #25 DP module communication status (see section 4.7.) <Read only>
BFM #26 PROFIBUS Module ID (PNO-Nr.F032H) see section 4.8. <Read only>
BFM #27 Slave address (see section 4.9.) <Read/Write>
BFM #28 User diagnosis (see section 4.10.) <Read/Write>
BFM #29 Error status (see section 4.11.) <Read only>
BFM #30 Model identification code (K7020) see section 4.12. <Read only>
BFM #31 Not used