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Alm_clr: 06h (clear alarm or warning command) – Yaskawa SI-ET3 User Manual

Page 32

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9 Main Command

32

YASKAWA ELECTRIC SIEP C730600 62B 1000-Series Option SI-ET3 Technical Manual

Table 16 ALM_DATA

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ALM_CLR: 06H (Clear Alarm or Warning Command)

The ALM_CLR command is used to clear the alarm or warning state. The command can be used in communication
phases 2 and 3.

This command changes the state of a slave station, it does not remove the cause of a fault. After the cause of the alarm or
warning has been removed, this command is then used to clear the status of the alarm or warning.

‹

SYNC_SET: 0DH (Start Synchronous Communication Command)

The SYNC_SET command is used to start synchronous communications. After this command is issued, synchronous
communications are carried out. If communications become asynchronous due to any fault such as a communications
fault, this command can be used to restore synchronous communications. The command can be used in communication
phases 2 and 3. Watchdog data error detection commences when this command has been completed.

21

U3-07 (Upper)

22

U3-08 (Lower)

23

U3-08 (Upper)

24

U3-09 (Lower)

25

U3-09 (Upper)

26

U3-10 (Lower)

27

U3-10 (Upper)

ALM_RD_MOD

Description

0

Present fault (Byte 6), Fault history Byte 8 to 11

U2-01, U2-02

1

Alarm status list (Byte 8 to 27)

U3-01 to U3-10

2

Fault history (Alarms are not saved in the history.) (Byte 8 to 9)

U2-01, U3-01 to U3-10

ALM_RD Command

Byte

Command

Description

0

ALM_RD (06H)

Command code

1

WDT

Watchdog data

2

CMD_CTRL

Refer to

Command Control (CMD_CTRL) on page 24

.

3
4

ALM_CLR_MOD

0: Clears the status of present faults and alarms.

5
6

Reserved (0)

Not used

7

x
x

31

ALM_RD Response

Byte

Command

Description

0

ALM_RD (06H)

Command code

1

RWDT

Watchdog data

2

CMD_STAT

Refer to

Command Status (CMD_STAT) on page 24

.

3
4

ALM_CLR_MOD

The value set in the command

5
6

Reserved (0)

Not used

7

x
x

31

Byte

ALM_RD_MOD = 0

ALM_RD_MOD = 1

ALM_RD_MOD = 2