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FX3U-16CCL-M User's Manual
Table of Contents
9.  Data Link Procedure 86
9.1  Data Link Procedure ..................................................................................................................... 87
9.2  Hardware Test (Master Block Status Check) ................................................................................ 88
9.3  Switch setting ................................................................................................................................ 89
9.3.1  Station number setting................................................................................................................... 89
9.3.2  Transmission rate setting, line test, hardware test, transmission speed test ................................ 90
9.4  Line Test (Connection Status Check) ........................................................................................... 91
9.4.1  Line test 1...................................................................................................................................... 91
9.4.2  Line test 2...................................................................................................................................... 92
9.5  Transmission Speed Test ............................................................................................................. 93
10.  Buffer Memory 94
10.1  How to read/write from/to buffer memory.................................................................................... 94
10.1.1  FROM/TO instructions................................................................................................................. 94
10.1.2  Direct specification of buffer memory .......................................................................................... 94
10.2  Buffer Memory List...................................................................................................................... 95
10.3  Parameter information area ........................................................................................................ 96
10.3.1  [BFM#0] Mode setting ................................................................................................................. 97
10.3.2  [BFM#1] Number of connected units ........................................................................................... 98
10.3.3  [BFM#2] Number of retries .......................................................................................................... 98
10.3.4  [BFM#3] Number of automatic return units.................................................................................. 98
10.3.5  [BFM#6] Operation specification when CPU is down .................................................................. 98
10.3.6  [BFM#12] Data link disorder station setting................................................................................. 98
10.3.7  [BFM#13] Case of CPU STOP setting......................................................................................... 99
10.3.8  [BFM#16] Reserved station specification .................................................................................... 99
10.3.9  [BFM#20] Error invalid station specification ................................................................................ 99
10.3.10  [BFM#32 to #47] Station information ....................................................................................... 100
10.4  I/O signals to PLC ..................................................................................................................... 101
10.4.1  [BFM#10] Input signal details .................................................................................................... 103
10.4.2  [BFM#10] Output signal............................................................................................................. 105
10.4.3  [BFM#14] Output signal monitor................................................................................................ 105
10.5  Master Block Control Signals .................................................................................................... 106
10.5.1  [BFM#29] Error code ................................................................................................................. 106
10.5.2  [BFM#30] FX Series model code............................................................................................... 107
10.6  [BFM#220 to #223] Consistency control ................................................................................... 107
10.7  [BFM#224 to #255] Remote Input (RX)..................................................................................... 108
10.8  [BFM#352 to #383] Remote Output (RY).................................................................................. 110
10.9  [BFM#480 to #543] Remote registers (RWw) ........................................................................... 112
10.10  [BFM#736 to #799] Remote registers (RWr)........................................................................... 114
10.11  [BFM#992 to #1503] Slave Station Offset, Size Information................................................... 116
10.12  Link special relay/Link special register (SB/SW)..................................................................... 119
10.12.1  [BFM#1504 to #1535] Link special relay (SB) ......................................................................... 119
10.12.2  [BFM#1536 to #2047] Link special register (SW) .................................................................... 122
10.13  [BFM#16384 to #16415] Ver. 2 Compatible Remote Input (RX)............................................. 128
10.14  [BFM#16896 to #16927] Ver. 2 Compatible Remote Output (RY).......................................... 129
10.15  [BFM#17408 to #17503] Ver. 2 Compatible Remote Registers (RWw).................................. 130
10.16  [BFM#19456 to #19551] Ver. 2 Compatible Remote Registers (RWr) ................................... 131
11.  Programming 132
11.1  Precautions in Programming..................................................................................................... 132
11.2  Link Special Relay (SB)/Link Special Register (SW) ................................................................ 134
11.2.1  Link special relay (SB)............................................................................................................... 134
11.2.2  Link special register (SW).......................................................................................................... 134
11.2.3  Update timing of the link special registers ................................................................................. 135