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9 Communications Functions
High-function General-purpose Inverter RX2 Series User’s Manual
9-5 Modbus Communication Register Number List
9
9-5-8 Group P Register List
Precautions for Correct UsePrecautions for Correct Use
• The “Register No.” in the table header shows the register number used inside the inverter.
• The “Modbus register spec. No.” in the table header shows the register number used to actu-
ally specify the register in the Modbus communication process.
This register number is 1 less than the inverter “Register No.” according to the Modbus com-
munication specifications.
9-5-8 Group P Register List
Register
No.
Modbus
register
spec. No.
Function name
Parameter
No.
R/W Monitor or setting data
Resolution
4269h 4268h
Mode selection for Emer-
gency-force drive
PA-01 R/W
00: Disabled
01: Enabled
-
426Ah 4269h
Frequency reference setting
at Emergency-force drive
PA-02 R/W 0 to 59000 0.01(Hz)
426Bh 426Ah
Direction command at Emer-
gency-force drive
PA-03 R/W
00: Normal rotation
01: Reverse rotation
-
426Ch 426Bh
Commercial power supply
bypass function selection
PA-04 R/W
00: Disabled
01: Enabled
-
426Dh 426Ch Delay time of Bypass function PA-05 R/W 0 to 10000 0.1(s)
427Ch 427Bh Simulation mode enable PA-20 R/W
00: Disabled
01: Enabled
-
427Dh 427Ch
Error code selection for Alarm
test
PA-21 R/W 0 to 255 1
427Eh 427Dh
Output current monitor
optional output enable
PA-22 R/W
00: Disabled
01: Enabled: parameter setting
[PA-23]
02: Enabled: set from [Ai1]
03: Enabled: set from [Ai2]
04: Enabled: set from [Ai3]
05: (Reserved)
06: (Reserved)
07: (Reserved)
-
427Fh 427Eh
Output current monitor
optional output value setting
PA-23 R/W
0.0 to 3.0
× Inverter rated current
*1
0.1(A)
4280h 427Fh
DC-bus voltage monitor
optional output enable
PA-24 R/W
00: Disabled
01: Enabled: parameter setting
[PA-25]
02: Enabled: set from [Ai1]
03: Enabled: set from [Ai2]
04: Enabled: set from [Ai3]
05: (Reserved)
06: (Reserved)
07: (Reserved)
-
4281h 4280h
DC-bus voltage monitor
optional value output
PA-25 R/W
200V class: 0 to 4500
400V class: 0 to 9000
0.1(Vdc)
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