YASKAWA MP920 - Page 236

Appendix A System Functions
A.1.3 Parameter Details
A-8
1. Read/write request for coils or relays: Set the leading bit address of the data.
2. Continuous read/write request for registers: Set the leading word address of the data.
3. Discontinuous read/write request for registers: Set the leading word address of the
address table.
The following data address setting range is used for no-protocol transmissions.
 Data Size (PARAM06)
Set the size (number of bits or words) of the data to be read or written.
The setting range differs according to the function code.
33H MELSEC random buffer write 0 to 32767 (0 to 7FFFH)
2
(cont’d)
Function
Code
Function Data Address Setting Range
215IF, 218IF,
MECHATROLINK
217IF, Serial
F# Function Data Address Setting Range
-
-
0 to 32767 (0 to 7FFFH)
Function
Code
Function Data Address Setting Range
215IF, 218IF 217IF, Serial MECHATROLINK
00H Not used. Not valid.
01H Coil status read Bits 1 to 2000 (1 to 07D0H)
02H Input relay status read Bits 1 to 2000 (1 to 07D0H)
03H Holding register read Words 1 to 125 (1 to 007DH)
04H Input register read Words 1 to 125 (1 to 007DH)
05H Single coil status change Not valid.
06H Single holding register write Not valid.
07H Not used. Not valid.
08H Loopback test Not valid.
09H Holding register read (extended) Words 1 to 508 (1 to
1FCH)
Not valid. Words 1 to 252 (1 to
00FCH)
0AH Input register read (extended) Words 1 to 508 (1 to
1FCH)
Not valid. Words 1 to 252 (1 to
00FCH)
0BH Holding register write (extended) Words 1 to 507 (1 to
1FBH)
Not valid. Words 1 to 252 (1 to
00FBH)
0CH Not used. Not valid.
0DH Discontinuous holding register read
(extended)
Words 1 to 508 (1 to
1FCH)
Not valid. Words 1 to 252 (1 to
00FCH)
0EH Discontinuous holding register write
(extended)
Words 1 to 254 (1 to
0FEH)
Not valid. Words 1 to 126 (1 to
007EH)
0FH Multiple coil status change Bits 1 to 800 (1 to 0320H)
10H Multiple holding register write Words 1 to 100 (1 to 0064H)