Mitsubishi Electric 800 Series Instruction Manual page 512

 MODBUS register
• The following shows the MODBUS registers for system environment variables (read/write), real time monitor items (read),
parameters (read/write), fault history data (read/write), and model information monitor items (read).
• System environmental variables
Register Definition
40002 Inverter reset
40003 Parameter clear
40004 All parameter clear
40006 *1
Parameter clear
40007
All parameter clear
40009
Inverter status/control input command
40010
Operation mode/inverter setting
40014 Set frequency (RAM value)
40015 Set frequency (EEPROM value)
*1 Communication parameter settings are not cleared.
*2 At a write, the data is set as the control input command.
At a read, the data is read as the inverter running status.
*3 At a write, the data is set as the operation mode setting.
At a read, the data is read as the operation mode setting.
• Inverter status/control input command
Bit
Control input command
0 Stop command
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 selection)
7
RT (Second function selection)
8
AU (Terminal 4 input selection)
9
*4
CS (No function)
10
*4*5
MRS (Output stop)
11
STP (STOP) (Start self-holding selection)
12 *4
RES (Inverter reset)
13 ―
14 ―
15 ―
*4 The signal within parentheses ( ) is the initial status. The description changes depending on the setting of Pr.180 to Pr.189 (Input terminal
function selection)
For each of the assigned signals, some signals are enabled by NET and some are disabled. (Refer to
*5 The inverter run enable signal is in the initial status for the separated converter type.
*6 The signal within parentheses ( ) is the initial status. The description changes depending on the setting of Pr.190 to Pr.196 (Output terminal
function selection)
*7 No function is assigned in the initial status for the separated converter type.
Read/Write
Write
Write
Write
Write
Write
*1
Read/Write
*2
*3 Read/Write
Read/Write
Write
*4
*4
*4
*4
*4
*4
*4
(page 343).
(page 297).
Remarks
Any value can be written
Set H965A for the write value.
Set H99AA for the write value.
Set H5A96 for the write value.
Set HAA99 for the write value.
Refer to the following.
Refer to the following.
The display can be changed to the rotations per minute using Pr.37
and Pr.144. (Refer to page 272)
Definition
Inverter status
*6
RUN (Inverter running)
During forward rotation
During reverse rotation
*6
SU (Up to frequency)
*6
OL (Overload warning)
IPF (Instantaneous power failure/undervoltage)
FU (Output frequency detection)
*6
ABC1 (Fault)
*6
ABC2 (-)
0
0
0
0
0
0
Fault occurrence
5.12 (N) Operation via communication and its settings
*6*7
*6
page 219.)
5. PARAMETERS
3
4
5
5
5
6
7
8
9
10
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