
5-18
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
Содержание SI-T/ V7
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