Drive Operations By Memobus/Modbus - YASKAWA iQpump Micro CIMR-PW Series User 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.
Observing the Drive Operation
u
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.
Controlling the Drive
u
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 115
118
for details on external reference parameter selections.
164
for instructions on how to select external reference 1 and 2.
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
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
C.6 Drive Operations by MEMOBUS/Modbus
Name
Refer to b1-02: Run Command Selection 1 on page
and
Refer to Setting 2: External Reference 1/2 Selection on page
Required Setting
2
2
2
2
395
C