Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 67)

Examples 9-23
Example #8
Write Drive Parameter Registers (bx-xx’s, Cx-xx’s, dx-xx’s,
and Ex-xx’s) to Drive #3
This example will write all of the drive parameters to drive #3. After writing the drive parameters,
the new data will be stored in Volatile memory with the ‘ACCEPT’ command, which allows the
drive to run after parameter change. In this example, an input to the PLC will be used to initiate
the MSTRs that will write the drive parameters. This input will be addressed at 10008.
This example requires multiple MSTR transactions. The following MSTR transactions will be
performed:
# MSTR Transaction Control
Registers
Data
Registers
1 Write bx-xx parameters to drive at node #3 40460 40470
2 Write Cx-xx parameters to drive at node #3 40510 40520
3 Write dx-xx parameters to drive at node #3 40590 40600
4 Write Ex-xx parameters to drive at node #3 40630 40640
5 Write the ACCEPT command 40660 40670
The MSTR functions inserted into the ladder logic would look like:
10008 00061 00059
00060
00059
00061
00061 00064 00062
00063
00062
00064
00064 00067 00065
00066
00065
00067
00067 00070 00068
00069
00068
00070
40460
40470
MSTR
#0040
40510
40520
MSTR
#0070
40590
40600
MSTR
#0030
40630
40640
MSTR
#0020