Mitsubishi Electronics MR-J2S- CL Alarm history 1Alarm No. read, 2Alarm occurrence time read, 15

15. COMMUNICATION FUNCTIONS

15.12.10 Alarm history

(1)Alarm No. read

Read the alarm No. which occurred in the past. The alarm numbers and occurrence times of No.0 (last alarm) to No.5 (sixth alarm in the past) are read.

(a)Transmission

Send command [3][3] and data No. [1][0] to [1][5]. Refer to Section 15.11.1.

(b)Reply

The alarm No. corresponding to the data No. is provided.

Alarm No. is transferred in decimal.

For example, "0032" means A.32 and "00FF" A._ (no alarm).

(2)Alarm occurrence time read

Read the occurrence time of alarm which occurred in the past.

The alarm occurrence time corresponding to the data No. is provided in terms of the total time beginning with operation start, with the minute unit omitted.

(a)Transmission

Send command [3][3] and data No. [2][0] to [2][5]. Refer to Section 15.11.1.

(b)Reply

The alarm occurrence time is transferred in decimal.

Hexadecimal must be converted into decimal.

For example, data [0][1][F][5] indicates that the alarm occurred 501 hours after start of operation.

(3)Alarm history clear

Erase the alarm history.

Send command [8][2] and data No. [2][0].

Command	Data No.	Data
[8][2]	[2][0]	1EA5

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