Yaskawa V7 Drives - Manual (Page 70)

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Continued
n152 : Modbus Frequency Resolution Factory setting: 0
Range: 0 to 3
The frequency resolution from the PLC and in the frequency reference and output
frequency monitor (by communication) are selected with this parameter. The output
frequency resolution of the Drive is 0.1 Hz. Even if the Modbus resolution is
changed to 0.01 Hz in
n152 , the value in the hundredths digit of 0.01 Hz of the
received frequency reference is rounded off internally. When 30,000/100% in units
of 0.1% is selected, the value is also rounded off.
Setting Frequency Resolution
0 0.1 Hz
1 0.01 Hz
2 30000/100%
3 0.1%
n153 : Modbus Slave Address Factory setting: 0
Range: 0 to 31
Each slave Drive on the same transmission line must be given a unique address.
n154 : Modbus Baud Rate Factory setting: 2
Range: 0 to 3
Selects the baud rate, as indicated by the following table:
Setting Baud Rate (BPS)
0 2400
1 4800
2 9600
3 19,200
n155 : Modbus Parity Selection Factory setting: 2
Range: 0 to 2
Selects the parity, as indicated by the following table:
Setting Parity
0 Even
1 Odd
2 None
NOTE: To change the values set in n153 thru n155 and enable the new
settings, it is necessary to turn OFF power to the Drive, then turn it ON again.
5.14 MODBUS CONTROL