FBS_EQUI (ENUM)ΒΆ

TYPE FBS_EQUI :

Definition of SF_Equivalent function block states and its diagnostic values.

Attributes:
qualified_only
InOut:

Name

Initial

Comment

IDLE

16#0

The function block is not active (initial state).

INIT

16#8801

An activation has been detected by the FB and the FB is now activated.

OUT_ENABLED

16#8000

The inputs switched to TRUE in equivalent mode.

WAIT_FOR_CH_B

16#8802

Channel A has been switched to TRUE - waiting for Channel B; discrepancy timer started.

WAIT_FOR_CH_A

16#8804

Channel B has been switched to TRUE - waiting for Channel A; discrepancy timer started.

FROM_ACTIVE_WAIT

16#8806

One channel has been switched to FALSE; waiting for the second channel to be switched to FALSE, discrepancy timer started.

ERROR_1

16#C010

Discrepancy time elapsed in state WAIT_FOR_CH_B.

ERROR_2

16#C020

Discrepancy time elapsed in state WAIT_FOR_CH_A.

ERROR_3

16#C030

Discrepancy time elapsed in state FROM_ACTIVE_WAIT.