Drive Operations By Memobus/Modbus; Observing The Drive Operation; Controlling The Drive - YASKAWA U1000 Technical Manual

C.5 Drive Operations by MEMOBUS/Modbus
The drive operations that can be performed by MEMOBUS/Modbus communication depend on drive parameter settings. This
section explains the functions that can be used and related parameter settings.
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Observing the Drive Operation

PLCs can perform the following actions with MEMOBUS/Modbus communications:
• observe drive status and drive control terminal status
• read and write parameters (not H5-oo)
• reset faults
• set multi-function inputs
Note: Input settings from the input terminals (S1 to S8) and from MEMOBUS/Modbus communications are both linked by a logical OR operation.
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Controlling the Drive

Select an external reference and adjust the parameters in
reference using MEMOBUS/Modbus communications.
Reference Source
External Reference 1
External Reference 2
Refer to b1-01: Frequency Reference Selection 1 on page 187
188 for details on external reference parameter selections.
278 for instructions on selecting external references 1 and 2.
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
Table C.2 Setting Parameters for Drive Control from MEMOBUS/Modbus
Parameter
b1-01 Frequency Reference Selection 1
b1-02 Run Command Selection 1
b1-15 Frequency Reference Selection 2
b1-16 Run Command Selection 2
C.5 Drive Operations by MEMOBUS/Modbus
Table C.2 accordingly to start and stop the drive or set the frequency
Name
and Refer to b1-02: Run Command Selection 1 on page
Refer to Setting 2: External Reference 1/2 Selection on page
Required Setting
2
2
2
2
621
C