Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

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15 - 38
15. COMMUNICATION FUNCTION
15.5.10 Current alarm
(1) Current alarm read
Read the alarm No. which is occurring currently.
(a) Transmission
Send command [0][2] and data No. [0][0].
Command Data No.
[0][2] [0][0]
(b) Reply
The slave station sends back the alarm currently occurring.
0 0
Alarm No. is transferred in hexadecimal.
For example, "0032" means A32 and "00FF" means A_ _ (no alarm).
(2) Read of the status display at alarm occurrence
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 are sent back.
(a) Transmission
Send command [3][5] and any of data No. [8][0] to [8][E] corresponding to the status display item to be
read. Refer to section 15.4.1.
(b) Reply
The slave station sends back the requested status display data at alarm occurrence.
0 0
Data 32 bits long (represented in hexadecimal)
(Data conversion into display type is required)
Display type
0: Conversion into decimal required
1: Used unchanged in hexadecimal
Decimal point position
0: No decimal point
1: Lower first digit (usually not used)
2: Lower second digit
3: Lower third digit
4: Lower fourth digit
5: Lower fifth digit
6: Lower sixth digit
(3) Current alarm clear
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. Data
[8][2] [0][0] 1EA5