S_MutingSwitch11 and S_MutingSwitch12 inputs

State-controlled inputs for the muting sensors.

Data type: SAFEBOOL

Initial value: SAFEFALSE

The status at inputs S_MutingSwitch11 and S_MutingSwitch12 causes the muting operation to start and stop.

Connection: Connect these inputs to the muting sensors connected to the Safety Logic Controller. Constant SAFETRUE or SAFEFALSE values are not permitted.

If the function block is activated (input Activate = TRUE), the possible values at this input lead to the following function block behavior:

Value	Description
SAFETRUE	The light beam of the connected muting sensor is interrupted (i.e., there is an object inside the detection area of the sensor). The muting operation starts as soon as S_MutingSwitch11 or S_MutingSwitch12 switches from SAFEFALSE to SAFETRUE. In this state the safety-related equipment is still active, i.e., SAFEFALSE at the S_AOPD_In input leads to SAFEFALSE at the S_AOPD_Out output. Muting is active when S_MutingSwitch11 and S_MutingSwitch12 switch from SAFEFALSE to SAFETRUE either one after the other (within the discrepancy time set at DiscTimeEntry) or simultaneously and the inputs remain in this state. In this state the safety-related equipment is not active, i.e., SAFEFALSE at S_AOPD_In does not lead to SAFEFALSE at S_AOPD_Out. Further Information: Also refer to the example muting operation procedure shown in the functional description for this function block.
SAFEFALSE	The light beam of the connected muting sensor is not interrupted (i.e., there is no object inside the detection area of the sensor). If the muting operation is active and S_MutingSwitch11 and/or S_MutingSwitch12 switches from SAFETRUE to SAFEFALSE, the muting operation stops. The safety-related equipment is then active again, i.e., SAFEFALSE at the S_AOPD_In input leads to SAFEFALSE at the S_AOPD_Out output. The muting operation is not started or is stopped (if it has already been started). Output S_MutingActive remains/switches to SAFEFALSE. Further Information: Also refer to the example muting operation procedure shown in the functional description for this function block.

Value

Description

SAFETRUE

The light beam of the connected muting sensor is interrupted (i.e., there is an object inside the detection area of the sensor).

The muting operation starts as soon as S_MutingSwitch11 or S_MutingSwitch12 switches from SAFEFALSE to SAFETRUE.

In this state the safety-related equipment is still active, i.e., SAFEFALSE at the S_AOPD_In input leads to SAFEFALSE at the S_AOPD_Out output.

Muting is active when S_MutingSwitch11 and S_MutingSwitch12 switch from SAFEFALSE to SAFETRUE either one after the other (within the discrepancy time set at DiscTimeEntry) or simultaneously and the inputs remain in this state.

In this state the safety-related equipment is not active, i.e., SAFEFALSE at S_AOPD_In does not lead to SAFEFALSE at S_AOPD_Out.

Further Information:

Also refer to the example muting operation procedure shown in the functional description for this function block.

SAFEFALSE

The light beam of the connected muting sensor is not interrupted (i.e., there is no object inside the detection area of the sensor).

If the muting operation is active and S_MutingSwitch11 and/or S_MutingSwitch12 switches from SAFETRUE to SAFEFALSE, the muting operation stops.

The safety-related equipment is then active again, i.e., SAFEFALSE at the S_AOPD_In input leads to SAFEFALSE at the S_AOPD_Out output.

The muting operation is not started or is stopped (if it has already been started). Output S_MutingActive remains/switches to SAFEFALSE.

Further Information:

Also refer to the example muting operation procedure shown in the functional description for this function block.

Single-channel or two-channel muting sensors?

Irrespective of whether there is a single-channel or two-channel connection between the muting sensors and the Safety Logic Controller, inputs S_MutingSwitch11 and S_MutingSwitch12 are only connected to one signal.

If a two-channel muting sensor is used, either the input channels of the safety-related input device must be parameterized accordingly or the SF_Equivalent or SF_Antivalent function blocks must be connected upstream in order to evaluate or monitor the two-channel signal.