FBS_TWOHAND (ENUM)ΒΆ

TYPE FBS_TWOHAND :

Definition of SF_TwoHandControl (TypeII and TypeIII) 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).

BUTTONS_ACTUATED

16#8000

Both buttons actuated correctly. The safety related output is enabled.

INIT

16#8001

Function block is active, but in the Init state.

BUTTONS_RELEASED

16#8802

No Button is actuated.

BUTTON_1_ACTUATED

16#8804

Only Button 1 is actuated. For TypeIII start of monitoring timer.

BUTTON_2_ACTUATED

16#8806

Only Button 2 is actuated. For TypeIII start of monitoring timer.

BUTTON_2_RELEASED

16#8808

The safety related output was enabled AND is disabled again. FALSE at both S_Button1 and S_Button2 was not achieved after disabling the safety related output.

BUTTON_1_RELEASED

16#880A

The safety related output was enabled AND is disabled again. FALSE at both S_Button1 and S_Button2 was not achieved after disabling the safety related output. In this state, S_Button1 is FALSE and S_Button2 is TRUE after disabling the safety related output.

LOCKED_OFF

16#880C

The safety related output was enabled AND is disabled again. FALSE AT both S_Button1 and S_Button2 was not achieved after disabling the safety related output. In this state, S_Button1 is TRUE and S_Button2 is TRUE after disabling the safety related output.

LOCKED_ON

16#880E

Incorrect actuation of the buttons. Waiting for release of both buttons.

ERR_1_B1

16#C010

S_Button1 was TRUE on FB activation.

ERR_1_B2

16#C020

S_Button2 was TRUE on FB activation.

ERR_1_B1B2

16#C030

The signals at S_Button1 AND S_Button2 were TRUE on FB activation.

ERR_2_B1

16#C040

S_Button1 was FALSE and S_Button 2 was TRUE after 500 ms in state 8806 (only TypeIII).

ERR_2_B2

16#C050

S_Button1 was TRUE and S_Button 2 was FALSE after 500 ms in state 8804 (only TypeIII).

ERR_2_B1B2

16#C060

S_Button1 was TRUE and S_Button 2 was TRUE after 500 ms in state 8005 or 8006. This state is only possible when the states of the inputs (S_Button1 and S_Button2) change from divergent to convergent (both TRUE) simultaneously when the timer elapses (500 ms) at the same cycle.