Drive Operations By Memobus/Modbus; Drive Operations By Memobus/Modbus; Observing The Drive Operation; Controlling The Drive - YASKAWA J1000 Technical Manual

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.
Parameter
b1-01 Frequency Reference Selection
b1-02 Run Command Selection
Refer to b1-01: Frequency Reference Selection on page 79
details on external reference parameter selections.
YASKAWA ELECTRIC SIEP C710606 31B YASKAWA AC Drive – J1000 Technical Manual
Table C.1 Setting Parameters for Drive Control from MEMOBUS/Modbus
Name
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C.6 Drive Operations by MEMOBUS/Modbus
and Refer to b1-02: Run Command Selection on page 80
Required Setting
2
2
for
217
C