Drive Operations By Memobus/Modbus; Observing The Drive Operation; Controlling The Drive - YASKAWA CIMR-VU BA0001 Technical Manual

C.6 Drive Operations by MEMOBUS/Modbus
C.6 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.
u

Observing the Drive Operation

A PLC can perform the following actions with MEMOBUS/Modbus communications at any time regardless of parameter
settings (except H5-oo).
• Observe drive status and drive control terminal status from a PLC.
• Read and write parameters.
• Set and reset faults.
• Set multi-function inputs. Inputs settings from the input terminals So and from MEMOBUS/Modbus communications are
both linked by an OR operation.
u

Controlling the Drive

To start and stop the drive or set the frequency reference using MEMOBUS/Modbus communications, an external reference
must be selected and the parameters listed below must be adjusted accordingly.
Reference Source
External Reference 1
External Reference 2
Refer to b1-01: Frequency Reference Selection 1 on page 121
123 for details on external reference parameter selections.
186 for instructions on how to select external reference 1 and 2.
442
Table C.1 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
Name
and Refer to b1-02: Run Command Selection 1 on page
Refer to Setting 2: External Reference 1/2 Selection on page
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual
Required Setting
2
2
2
2