Toshiba VF-nC1 - Manual (Page 92)

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6.15.3 Changing the standard monitoring item
H : Selection of monitor display selection
• Function
This parameter is used to change the item displayed when the power is turned on.
☆ When the power is turned on, the operation frequency is displayed by default like this:
“” or “QHH”. You can change this default monitoring item, using H. In that
case, however, no prefixes (such as V and E) will be displayed.
■ Parameter settings
Title Function Adjustment range Default setting
H
Selection of
monitor display
selection
0: Operation frequency (Hz/free unit)
1: Frequency command (Hz/free unit)
2: Output current (%/A)
0
6.16 Communication function (common serial)
H : Communication baud rate
H : Parity
H : Inverter number
H : Communication error trip time
For details, refer to the Communications Equipment User’s Manual.
• Function
The VF-nC1 series of inverters can be connected to a host computer, controller, and so on
(referred to as the computer) via RS232C or RS485 conversion units, so that they can be
operated on a network.
Data is exchanged between an inverter and a computer.
①
Monitoring the inverter’s operation status (such as output frequency, current and voltage)
② Commands to the inverter (such as RUN and STOP commands)
③ Reading, changing and writing inverter parameter settings
Data is exchanged between one inverter and one computer.
Data is exchanged between one computer and multiple inverters (a maximum of 64, or 63 for
binary codes)
☆ The following unit and cables are optionally available for common serial communications.
• RS232C conversion unit (Model: RS2001Z)
Communications cable (Model: CAB0011 (1m), CAB0013 (3m), CAB0015 (5m))
• Cable with a built-in RS232C conversion unit (Model: 20035)
• RS485C conversion unit with a terminal board (Model: RS4001Z, RS4002Z)
• Communications cable (Model: CAB0011 (1m), CAB0013 (3m), CAB0015 (5m))
Note: Use a cable 5 m or less in length to connect an inverter and an optional common serial unit.