E6581090
6.15.3 Changing the standard monitoring item
H
• Function
:Selection of monitor display selection
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.
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| Title | Function | Adjustment range | Default setting |
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| Selection of | 0: Operation frequency (Hz/free unit) | 0 |
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| H | monitor display | 1: Frequency command (Hz/free unit) | |
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| selection | 2: Output current (%/A) |
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6 | 6.16 |
| Communication function (common serial) |
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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 
(referred to as the computer) via RS232C or RS485 conversion units, so that they can be 
operated on a network.
<Computer linking function>
Data is exchanged between an inverter and a computer.
①Monitoring the inverter’s operation status (such as output frequency, current and voltage) 
②Commands to the inverter (such as RUN and STOP commands)
③Reading, changing and writing inverter parameter settings
<RS232C communications>
Data is exchanged between one inverter and one computer.
<RS485C communications>
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
•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.
