4.5
M+SF_ESPE_R
Overview
Item
Description
Function name
Light curtain (ESPE)
Functional overview
This FB is a safety-related FB for monitoring electro-sensitive protective equipment (ESPE). This FB can be used for emergency switch
off functionality (stop category 0).
Symbol
(1)
(2)
(3)
(5)
(5)
Labels
■ Input labels
No.
Variable name
(1)
i_bActivate
(2)
i_bS_ESPE_In
(3)
i_bS_StartReset
(4)
i_bS_AutoReset
(5)
i_bReset
■ Output labels
No.
Variable name
(6)
o_bReady
(7)
o_bS_ESPE_Out
(8)
o_bError
(9)
o_wDiagCode
WARNING
Use safety data for connecting the variable whose data type is "Bit*" to input-output circuits.
4 SAFETY FB SPECIFICATIONS
34
4.5 M+SF_ESPE_R
M+SF_ESPE_R
B: i_bActivate
B: i_bS_ESPE_In
o_bS_ESPE_Out: B
B: i_bS_StartReset
B: i_bS_AutoReset
B: i_bReset
Data type
Default value
Bit
OFF
Bit*
OFF
Bit*
OFF
Bit*
OFF
Bit
OFF
Data type
Default value
Bit
OFF
Bit*
OFF
Bit
OFF
Word [signed]
0
o_bReady: B
(6)
(7)
o_bError: B
(8)
o_wDiagCode: W
(9)
Description
Activation of the safety FB.
For details, see the following.
Page 11 General Functions
The input signal from ESPE.
OFF: The input signal from i_bS_ESPE_In is set to OFF. (Example: Light shielding of
light curtain)
ON: The input signal from i_bS_ESPE_In is set to ON. (Example: Light passing
through light curtain)
Selection of a reset method for the activated (first time) safety FB.
For details, see the following.
Page 11 General Functions
Selection of a reset method for the input signal (i_bS_ESPE_In) reset to ON.
For details, see the following.
Page 11 General Functions
Reset input.
For details, see the following.
Page 11 General Functions
Description
Status of whether the safety FB is activated or not.
For details, see the following.
Page 11 General Functions
Safety output
OFF: Safety output disabled.
ON: Safety output enabled.
Error flag.
For details, see the following.
Page 11 General Functions
Diagnostic code.
For details, see the following.
Page 11 General Functions