Yaskawa Ladder Works Programming Manual - Manual (Page 194)

9.7 Send Message Function (MSG-SND)
9-19
■ Data Address
The set contents will differ according to the function code as Table 9.10.
Table 9.10 Address Setting Range
Function Code Data Address Setting Range
00H Unused Invalid
01H Read coil status 0 to 65535 (0 to FFFFH) ①
02H Read input relay status 0 to 65535 (0 to FFFFH) ①
03H Read contents of holding register 0 to 32767 (0 to 7FFFH) ②
04H Read contents of input register 0 to 32767 (0 to 7FFFH) ②
05H Change status of single coil 0 to 65535 (0 to FFFFH) ①
06H Write into a single holding register 0 to 32767 (0 to 7FFFH) ②
07H Unused Invalid
08H Loop-back test Invalid
09H Read contents of holding register (expanded) 0 to 32767 (0 to 7FFFH) ②
0AH Read contents of input register (expanded) 0 to 32767 (0 to 7FFFH) ②
0BH Write into holding register (expanded) 0 to 32767 (0 to 7FFFH) ②
0CH Unused Invalid
0DH Discontinuous readout of holding register (expanded) 0 to 32767 (0 to 7FFFH) ③
0EH Discontinuous write into holding register (expanded) 0 to 32767 (0 to 7FFFH) ③
0FH Change status of a multiple coil 0 to 65535 (0 to FFFFH) ①
10H Write into a plurality of holding register 0 to 32767 (0 to 7FFFH) ②
① Request for readout from/write-in to coil or relay: Set the head bit address of the data.
② Request for continuous readout from/write-in to a register: Set head word address of the data.
③ Request for discontinuous readout from/write-in to a register: Set head word address of the data.
■ Data Size (PARAM06)
Set the size (in number of bits or number of words) of the data that is requested for readout or
write-in. The setting range will differ according to the transmission module and the function
code to be used. Refer to Table 9.11.
Table 9.11 Serial Data Size Setting Range
Data Address Setting Range
Function Code
215IF/218IF
CPU Module/
217IF/SVB-01
00H Unused Invalid
01H Read coil status 1 to 2000 (1 to 07D0H) bits
02H Read input relay status 1 to 2000 (1 to 07D0H) bits
03H Read contents of holding register 1 to 125 (1 to 007DH) words
04H Read contents of input register 1 to 125 (1 to 007DH) words
05H Change status of single coil Invalid
06H Write into a single holding register Invalid
07H1 Unused Invalid
08H Loop-back test Invalid
09H Read contents of holding register (expanded) 1 to 508
(1 to 01FCH) words 1 to 252
(1 to 00FCH) words
0AH Read contents of input register (expanded) 1 to 508
(1 to 01FCH) words 1 to 252
(1 to 00FCH) words
0BH Write into holding register (expanded) 1 to 507
(1 to 01FBH) words 1 to 252
(1 to 00FBH) words
0CH Unused Invalid