4 SAFETY FB SPECIFICATIONS
4.1 M+SF_2HAND2_R
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4 SAFETY FB SPECIFICATIONS
4.1 M+SF_2HAND2_R
Overview
Labels
■ Input labels
■ Output labels
FB details
This FB provides the two-hand control functionality according to ISO13851, Section 4 Type . If i_bS_Button1 and
i_bS_Button2 are set to ON in correct sequence, then o_bS_TwoHand_Out output will also be set to ON. The FB also controls
the release of both buttons before setting output o_bS_TwoHand_Out again to ON.
Item Description
Function name Two-hand switch Type
Functional overview This FB provides the two-hand control functionality (see ISO13851, Type ).
Symbol
No. Variable name Data type Default value Description
(1) i_bActivate Bit OFF Activation of the safety FB.
For details, see the following.
Page 11 General Functions
(2) i_bS_Button1 Bit* OFF Input of button 1 (for category 3 or 4: two antivalent contacts)
OFF: Button 1 released.
ON: Button 1 actuated.
(3) i_bS_Button2 Bit* OFF Input of button 2 (for category 3 or 4: two antivalent contacts)
OFF: Button 2 released.
ON: Button 2 actuated.
No. Variable name Data type Default value Description
(4) o_bReady Bit OFF Status of whether the safety FB is activated or not.
For details, see the following.
Page 11 General Functions
(5) o_bS_TwoHand_Out Bit* OFF Safety output signal.
OFF: No correct two-hand operation.
ON: i_bS_Button1 and i_bS_Button2 inputs are ON and no error occurred. Correct
two-hand operation.
(6) o_bError Bit OFF Error flag.
For details, see the following.
Page 11 General Functions
(7) o_wDiagCode Word [signed] 0 Diagnostic code.
For details, see the following.
Page 11 General Functions
Use safety data for connecting the variable whose data type is "Bit*" to input-output circuits.
o_bS_TwoHand_Out: BB: i_bS_Button1
B: i_bActivate o_bReady: B
B: i_bS_Button2 o_bError: B
o_wDiagCode: W
(1) (4)
(2) (5)
(3) (6)
(7)
M+SF_2HAND2_R
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