6. MODBUS REGISTERS
6 - 3
Address
Name and function
Data
type
Read/
write
Initial value
Range
Unit
Saved
to EEP-
ROM
Para-
meter
No. of
Points/
No. of
Registers
Continuous
read/
continuous
write
2A42 Current alarm 2 (Current alarm 2)
The number of the current alarm is returned.
When no alarm has occurred, "0000h" is
returned.
Bit 0 to Bit 7: Alarm detail number
Bit 8 to Bit 15: Alarm number
2
bytes
Reading 0000h
to
FFFFh
1
Impossible
2A44 Number of parameter errors (Parameter error
number)
When [AL. 37 Parameter error] has occurred,
the number of the parameters which cause the
error is returned. Refer to Parameter error list
(2A45h) for the number of each parameter
which causes the error.
2
bytes
Reading 0000h
to
01F4h
(500)
1
Impossible
2A45 Parameter error No. (Parameter error list)
When [AL. 37 Parameter error] has occurred,
the number of entries of the parameter which
causes the error is returned.
1
bytes
Reading 20h
(32)
20h (32)
(fixed)
1 +
number
of read
points
Impossible
Parameter error No. 1 to 32 (Parameter error
list 1 to 32)
When [AL. 37 Parameter error] has occurred,
the 1st to 32nd numbers of the parameter which
causes the alarm is returned.
Bit 0 to Bit 7: Parameter number
Bit 8 to Bit 15: Parameter group number
00: [Pr. PA _ _ ]
01: [Pr. PB _ _ ]
02: [Pr. PC _ _ ]
03: [Pr. PD _ _ ]
04: [Pr. PE _ _ ]
05: [Pr. PF _ _ ]
06: Parameter for manufacturer setting
07: Parameter for manufacturer setting
08: Parameter for manufacturer setting
09: Parameter for manufacturer setting
0A: Parameter for manufacturer setting
0B: Parameter for manufacturer setting
0C: [Pr. PT _ _ ]
0E: [Pr. PN _ _ ]
2
bytes
Reading 0 0000h
to
FFFFh
2A46 Alarm reset (Reset alarm)
Writing the value "1EA5h" resets an alarm.
Any value other than "1EA5h" is ignored.
2
bytes
Writing 0 0000h
to
FFFFh
1
Impossible
2A60 SDO abort code (SDO abort code)
The latest SDO Abort Code is returned.
4
bytes
Read
00000000h
to
FFFFFFFFh
2
Impossible
2A64 Access log 1 (Access log 1)
The latest address that was accessed
successfully in the Modbus communication is
returned.
Bit 0 to Bit15: Address
Bit 16 to Bit 31: For manufacturer setting
4
bytes
Read
00000000h
to
FFFFFFFFh
2
Impossible
2A65 Access log 2 (Access log 2)
The numbers of the addresses that were
accessed successfully in the Modbus
communication before a disconnection are
returned. In addition, when an address
containing multiple elements is accessed, the
number of the elements is returned.
2
bytes
Read
0000h
to
FFFFh
1
Impossible
2B01 Cumulative feedback pulses (Cumulative
feedback pulses)
The cumulative feedback pulses are returned.
Writing "00001EA5h" clears the cumulative
feedback pulses.
4
bytes
Read/
write
80000000h
to
7FFFFFFFh
pulse 2
Possible
2B02 Servo motor speed (Servo motor speed)
The servo motor speed is returned.
4
bytes
Reading 80000000h
to
7FFFFFFFh
r/min 2
Possible
2B03 Droop pulses (Droop pulses)
The droop pulses (encoder unit) are returned.
4
bytes
Reading 80000000h
to
7FFFFFFFh
pulse 2
Possible
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