Download MODBUS(R)/TCP Interface Module User`s Manual
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7 PARAMETER SETTING MELSEC-Q 7.4.3 Default assignment parameters As the MODBUS device assignment parameters, default assignment parameters are available as initial values. To use the default assignment parameters, Bit 1 of the communication condition setting (switch 2) of the intelligent function module switches must be set to OFF. Refer to Section 6.6 for details of the intelligent function module switches. The following shows how the MODBUS devices are assigned by the MODBUS device assignment parameters and the default assignment parameter values set to the QJ71MT91 buffer memory. R R R [Assignment of MODBUS devices by default assignment parameters] R Coil (000001 to 065536) Input (100001 to 165536) 000001 Y 8192 (0 to 1FFF) Coil assignment 1 Input register (300001 to 365536) 100001 Holding register (400001 to 465536) 300001 008192 008193 Input assignment 1 D 12288 (0 to 12287) 108192 M 8192 (0 to 8191) Coil assignment 2 400001 X 8192 (0 to 1FFF) Holding register assignment 1 412288 016384 (Empty) (Empty) SM 2048 (0 to 2047) Coil assignment 3 020481 SD 420481 2048 (0 to 2047) Holding register assignment 2 422528 422529 QJ71MT91 4096 User free area (5000 to 5FFF) 022528 022529 L 8192 (0 to 8191) Coil assignment 4 Holding register assignment 3 426624 030720 030721 (Empty) 430721 B 8192 (0 to 1FFF) 8192 Coil assignment 5 F 2048 (0 to 2047) Coil assignment 6 SB 2048 (0 to 7FF) Coil assignment 7 V 2048 (0 to 2047) Coil assignment 8 038912 038913 040960 040961 (Empty) Holding register assignment 4 438912 (Empty) (Empty) SW 440961 2048 (0 to 7FF) Holding register assignment 5 443008 043008 043009 045056 045057 (Empty) S 8192 (0 to 1FFF) Coil assignment 9 TC 2048 (0 to 2047) Coil assignment 10 TS 2048 (0 to 2047) Coil assignment 11 SC 2048 (0 to 2047) Coil assignment 12 SS 2048 (0 to 2047) Coil assignment 13 CC 2048 (0 to 2047) Coil assignment 14 CS 2048 (0 to 2047) Coil assignment 15 7 - 29 W (0 to 1FFF) 053248 053249 TN 453249 2048 (0 to 2047) Holding register assignment 6 455296 055296 055297 (Empty) 057344 057345 SN 457345 2048 (0 to 2047) Holding register assignment 7 459392 059392 059393 (Empty) 061440 061441 CN 461441 2048 (0 to 2047) Holding register assignment 8 463488 063488 063489 065536 165536 365536 (Empty) 465536 7 - 29