Drive Operations By Memobus/Modbus; Drive Operations By Memobus/Modbus; Observing The Drive Operation; Controlling The Drive - YASKAWA FSDrive-MV1000 Series Instructions For Use Manual

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

◆ Observing the Drive Operation

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

◆ 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 in
Table C.2 Setting Parameters for Drive Control from MEMOBUS/Modbus
Reference Source
External Reference 1
External Reference 2
Refer to b1-01: Frequency Reference Selection 1 and b1-02: Run Command Selection 1 in the FSDrive-MV1000
Parameter Guide (TOEP C710687 03) for details on external reference parameter selections. Refer to Setting 2: External
reference 1/2 selection for H1 contact inputs in the FSDrive-MV1000 Parameter Guide (TOEP C710687 03) for
instructions on how to select external reference 1 and 2.
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
).
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 must be adjusted accordingly.
Name Required Setting
2
2
2
2
231
C