15 read alarm or warning (alm_rd: 05h), 15 read alarm or warning (alm_rd: 05h) -27, 1) alm_rd command (05h) – Yaskawa Sigma-5 User Manual: MECHATROLINK-II Commands User Manual

Page 58

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3.2 Commands Details

3-27

3

Commands for Preparation Process

3.2.15 Read Alarm or Warning (ALM_RD: 05H)

Send an ALM_RD command to read out the current alarm/warning and the alarm history.

(1) ALM_RD Command (05H)

The specifications of the ALM_RD command are described below.

∗ Alarm history is saved in the non-volatile memory, and will not be lost if the control power goes OFF.

Byte

ALM_RD

Description

Command

Response

1

05H

05H

Phases in

which the

command can

be executed

Phase 2 and 3

Synchronization

classification

Asynchronous

command

2

ALARM

Processing

time

See
ALM_RD_MOD

Specifications on
the next page.

Subcommand

Cannot be used

3

STATUS

• Reads the following alarm and warning status.

- Current alarm/warning status
- Alarm history* (Warnings and communications alarms A.E50 and

A.E60 will not be read out since they are not preserved in the history.)

• See (2) ALM_RD_MOD Specifications for details on ALM_RD_MOD.
• Alarm and warning codes are set in ALM_DATA from byte 6 in order

from the most recent, and 0 is set in the bytes that are blank. Accordingly,

the data in byte 6 is the latest alarm or warning code.

• A warning will occur and the command will be ignored in the following

cases.
-If ALM_RD_MOD is out of the range: Data setting warning 2 (A.94B)

4

5

ALM_RD_

MOD

ALM_RD_

MOD

6

ALM_DATA

7

8

9

10

11

12

13

14

15

16

WDT

RWDT

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