Mitsubishi Electric MELSERVO-J4 MR-J4-TM Instruction Manual page 26

General-purpose ac servo/multi-network interface ac servo/servo amplifier
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4. ACYCLIC DATA EXCHANGE
4.3.2 Operating mode (P930)
PNU
Sub
930
0
PNU
Sub
930
0
The read values are as follows.
Value
1
Speed control mode (when Standard telegram 1 is selected)
32768
Manufacturer-specific mode (when Telegram is selected other than the above)
Refer to Modes of operation display (P24673) for details of the control mode.
4.3.3 Fault message counter (P944)
PNU
Sub
944
0
PNU
Sub
944
0
4.3.4 Fault number (P947)
The alarm occurrence of servo amplifier after power on is displayed. When the alarm does not occur, the
read value of P947.0 will be "0". The error number is as follows.
PNU
Sub
0
8
947
Other than the
values above
PNU
Sub
947
0 to 15
For details of the occurrence of an alarm, refer to Alarm Objects (section 9.3.3).
Access
Name
R
Operating mode
Range
0001h to FFFFh
Access
Name
R
Fault counter
Range
0000h to FFFFh
Access
Name
R
R
Fault numbers
R
Range
0000h to FFFFh
Value
0x0000
0x0010
Data Type
Unsigned16
The current Operating mode is returned.
Units
Description
Data Type
The value of Fault message counter is
returned. This value will be incremented
Unsigned16
when an alarm of servo amplifier occurs or
the alarm is released.
Units
Data Type
Unacknowledged faults
Array [16]
Acknowledged faults
Unsigned16
Fixed to 0
Units
Description
None
Generic error
4 - 3
Description
EEP-ROM
Parameter
Impossible
Description
EEP-ROM
Parameter
Impossible
Description
EEP-ROM
Parameter
Impossible
Default
1
Default
0
Default
0
0
0

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