Toshiba TOSVERT VF-nC3 Instruction Manual page 19

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P (50 )
*1
H (RAM write)
This command is used to rewrite data into the parameter specified using a communication number.
It writes data into the RAM only. It cannot be used to write data into any read-only parameters. Each
time an attempt to write data is made the inverter checks whether the data falls within the specified
range. If this check reveals that the data falls outside the range, the inverter will reject it and return
an error code.
- Ex.: Entering the emergency stop command (communication number: FA00) from the computer
<ASCII mode>
Computer → Inverter
(PFA009000)
<Binary mode>
Computer →
2F 50 FA 00 90 00 09
R (52 )
H (Data read)
This command is used to read the setting of the parameter specified using a communication num-
ber.
- Ex.: Monitoring the electric current (communication number: FE03)
<ASCII mode>
Computer →
(RFE03)CR
<Binary mode>
Computer →
2F 52 FE
G (47 )
H (Data read)
This command is used to read the parameter data specified using a communication number. Al-
though this command is used for the previous model to control the operation of two or more invert-
ers in binary mode through a two-wire RS485 network, the "R" command can also be used without
problems for the VF-nC3 series.
To use the "G" command, however, dummy data (2 bytes) is needed.
This command is available only in binary mode.
- Ex.: Monitoring the electric current (communication number: FE03)
Computer → Inverter
2F 47 FE 03 00 00 77
* In this example, the data 00H sent from the computer to the inverter is dummy data.
X(58H)/Y (59H)
(Block Communication Command)
Data selected in the block communication write parameters (f870, f871) is written in the RAM.
When returning data, data selected in block communication read parameters (f875 to f879)
is read and is returned.
For detail, see "4.1.3. Transmission format of Block Communication ".
- Examples: 60Hz operation command from communication and monitoring (Monitoring when al-
ready operating at 60Hz)
(Parameter Setting:
)
= 5
<Binary mode>
Computer → Inverter
2F 58 02 05 C4 00 17 70 D9
Inverter → Computer
(PFA009000)
CR
Inverter → Computer
Inverter
2F 50 FA 00 90 00 09
Inverter → Computer
Inverter
(RFE03077B)CR
Inverter → Computer
Inverter
82 2F 52 FE 03 07 7B 04
03
Inverter → Computer
2F 47 FE 03 07 7B F9
f870 = 1, f871 = 3, f875 = 1, f876 = 2, f877 = 3, f878 = 4, f879
18
Command
CR ...
command
...Current: 1915 / 100 = 19.15%
Inverter → Computer
2F 59 05 00 64 00 17 70 1A 8A 24 FD 00 00 3D
E6581657
priority, emergency stop