Verification and validation 483
Validation of the SDI function
Note: STO, SSE and safety encoder and encoder interface validation tests must
always be done before SDI or any other validation tests.
Follow these steps to validate the SDI functions that are used in the application:
1. Make sure that the input for the SDI function is configured according to the wiring
diagram
2. Make sure that the SDI function is configured according to your design. For a
configuration example, see the section Configuring SDI on page 389. Check
these settings:
Activation:
• SDI.01 SDI version
• SDI.21 SDI positive input A
• SDI.22 SDI positive input B
• SDI.31 SDI negative input A
• SDI.32 SDI negative input B
• Note: The activation can also come from the PROFIsafe.
Functionality for SDI function:
• SDI.14 SDI tolerance limit degree
• SDI.02 SDI positive activity
• SDI.03 SDI negative activity.
Acknowledgement:
• SDI.13 SDI acknowledgement
• FSOGEN.42 Acknowledgement button input if the manual acknowledgement
is used.
Functionality for the deceleration ramp:
• a) with ramp monitoring:
- SDI.10 SDI activation monitoring method = Ramp
- 200.202 SAR speed scaling
- 200.112 SAR1 ramp time to zero
- SARx.02 SAR initial allowed range
- SARx.21 SAR1 min ramp time to zero
- SARx.22 SAR1 max ramp time to zero
- drive parameter 23.23 emergency stop time, if 200.112 SAR1 ramp time to
zero is = 0 ms
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