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Communication operation and setting
(6) Modbus registers
System environment variable
Register
40002
Inverter reset
40003
Parameter clear
40004
All parameter clear
40006
Parameter clear
40007
All parameter clear
40009
Inverter status/control input instruction
40010
Operation mode/inverter setting
40014
Running frequency (RAM value)
40015
Running frequency (EEPROM value)
*1
The communication parameter values are not cleared.
*2
For write, set the data as a control input instruction. For read, data is read as an inverter operating status.
*3
For write, set data as the operation mode setting. For read, data is read as the operation mode status.
<Inverter status/control input instruction>
Bit
Control input instruction
0
1
Forward rotation command
2
Reverse rotation command
3
RH (high speed operation command)
4
RM (middle speed operation command)
5
RL (low speed operation command)
6
JOG (Jog operation)
7
RT (second function selection)
8
AU (current input selection)
9
(selection of automatic restart after
instantaneous power failure)
10
MRS (output stop)
11
STOP (start self-holding)
12
13
14
15
*1
The signal within parentheses is the initial setting. The description changes depending on the setting of Pr. 180 to Pr. 189 (input
terminal function selection) (page 235) .
Each assigned signal is valid or invalid depending on NET. (Refer to page 330)
*2
The signal within parentheses is the initial setting. The description changes depending on the setting of Pr. 190 to Pr. 196 (output
terminal function selection) (page 243) .
362
Definition
*1
*1
*3
Definition
Stop command
*1
*1
*1
*1
*1
*1
CS
*1
*1
*1
RES (reset)
*1
0
0
0
Read/Write
Write
Write
Write
Write
Write
Read/write
*2
Read/write
Read/write
Write
Inverter status
RUN (inverter running)
*2
Forward rotation
Reverse rotation
SU (up to frequency)
*2
OL (overload)
*2
IPF (instantaneous power failure)
FU (frequency detection)
ABC1 (fault)
*2
ABC2 (
)
*2
0
0
0
0
0
0
Fault occurrence
Remarks
Any value can be written
Set H965A as a written value.
Set H99AA as a written value.
Set H5A96 as a written value.
Set HAA99 as a written value.
See below.
See below.
According to the Pr. 37 and Pr. 144 settings, the
frequency and selectable speed are in 1r/min
increments.
<Operation mode/inverter setting>
Read
Mode
Value
EXT
H0000
PU
H0001
EXT
H0002
JOG
PU
H0003
*2
JOG
*2
NET
H0004
PU+
H0005
EXT
*
Writing is available depending on the
Pr. 79 and Pr. 340 setting. Refer to page
329 for details.
The restrictions depending on the
operation mode changes according
to the computer link specifications.
Written
Value
H0010*
H0011*
H0014
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