Yaskawa MP900 Series Machine Controller New Ladder Editor - Manual (Page 201)

2 Standard System Function
2.1.1 Send Message Function (MSG-SND)
2-8
Data Address
The set contents will differ according to the function code as Table 2.5.
* 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.
Table 2.5 Address Setting Range
Function Code Data Address Setting Range
00H Unused Ineffective
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 Ineffective
08H Loop-back test Ineffective
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 Ineffective
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