G3 Parameter Settings - Toshiba TOSVERT-130 G3 Interface Manual

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7. G3 Parameter Settings

Modbus interface board communications are enabled by setting parameter
COMMUNICATION SELECTION in GROUP:COMMUNICATION SETTING
PARAMETERS to 2 (Modbus, Tosline-F10, DeviceNet). No other Tosline-F10
communication parameter settings apply when using the Modbus interface. Similar to
when using any communication interface card, the option frequency command and
command input can be enabled by setting parameters FREQUENCY MODE
SELECTION and COMMAND MODE SELECTION, respectively, in GROUP:UTILITY
PARAMETERS to 3. For more information on methods for changing parameter
settings, refer to the TOSHIBA G3 Operation Manual.
The following is a list of the parameter settings that are required during setup to enable
Modbus communications:
Parameter
BLIND FUNCTION
SELECTION
COMMUNICATIONS
PARMS BLIND
COMMUNICATION
SELECTION
INVERTER ID NUMBER
As is the same with all other communication configuration parameters, the inverter
must be reset after making the parameter changes described above in order for the
changed settings to be enabled.
IMPORTANT: The standard factory setting for parameter INVERTER ID NUMBER is
0, which is reserved by the Modbus controller as the address used for
broadcast transmissions. If this parameter is not changed prior to
enabling Modbus communications, the inverter will trip "OPTION PCB
ERROR". Similarly, if an inverter number of 248 ∼ 255 is set, the
inverter will trip "OPTION PCB ERROR".
If the G3 inverter into which a Modbus communications interface board is installed
trips "OPTION PCB ERROR" for any reason during initialization or operation, it is
incapable of being reset via the Modbus network. When this trip condition occurs,
therefore, the inverter can only be reset locally via the panel or control terminal block.
If inverter control (frequency command input, RUN/STOP, etc.) is to be performed via
the Modbus network, the following inverter parameters must also be set as shown:
Parameter
COMMAND MODE SELECTION
FREQUENCY MODE
SELECTION
Group
GROUP:UTILITY
PARAMETERS
GROUP:UTILITY
PARAMETERS
GROUP:COMMUNICATION
SETTING PARAMETERS
GROUP:COMMUNICATION
SETTING PARAMETERS
Group
GROUP:UTILITY PARAMETERS
GROUP:UTILITY PARAMETERS
16
Required Value
1
1
2
any value other than 0 or
248∼255.
Required
Value
3
3