Current Alarm - Mitsubishi Electric MELSERVO-J4 Series Transition Handbook

Part 7: Common Reference Material

4.5.11 Current alarm

(1) Current alarm reading
The following shows how to read the alarm No. which is occurring currently.
(a) Transmission
Transmit command [0] [2] and data No. [0] [0].
(b) Return
The slave station returns the alarm currently occurring.
For example, "0032" means [AL. 32] and "00FF" means [AL. _ _ ] (no alarm).
(2) Reading status display at alarm occurrence
The following shows how to read the status display data at alarm occurrence. When the data No.
corresponding to the status display item is transmitted, the data value and data processing information
will be returned.
(a) Transmission
Transmit the command [3] [5] + the data No. corresponding to the status display item to read, [8] [0]
to [8] [E] and [A] [0] to [A] [9]. Refer of section 4.4.1.
(b) Return
The slave station returns the status display data of requested alarm at occurrence.
(3) Current alarm reset
As by the reset (RES) on, reset the servo amplifier alarm to make the servo amplifier ready to operate.
After removing the cause of the alarm, reset the alarm with no command entered.
Command Data No.
[0] [2] [0] [0]
0 0
Alarm No. is transferred in hexadecimal
0 0
Data 32-bit length (hexadecimal representation)
(Data conversion is required as indicated in the display type.
Display type
0: Data must be converted into decimal.
1: Data is used unchanged in hexadecimal.
Decimal point position
0: No decimal point
1: First least significant digit (normally not used)
2: Second least significant digit
3: Third least significant digit
4: Forth least significant digit
5: Fifth least significant digit
6: Sixth least significant digit
Command Data No.
[8] [2] [0] [0]
7 - 122
Data
1EA5