
198 Appendix: Safe Torque Off (STO)
STO software functional diagram:
STO2
STO1
MicroFlex e190
SAFETORQUEOFF(6)
SAFETORQUEOFF(1)
SAFETORQUEOFF(0)
SAFETORQUEOFF(2)
X4:1
X4:2
STO1
STO2
STO
Monitoring the delay between the STO inputs
The STO function monitors the switching time difference between the STO inputs.
See
Operation of the STO function and diagnostics
.
STO function activation and indication delays
Hardware activation delay (the delay between removing power from an STO input
and switching off the drive output bridge): < 50 ms.
Hardware indication delay (the delay between switching off the drive output bridge
and being indicated to the Mint program): < 50 ms.
Software STO indication delay, Mint program (the delay between a mismatch
occurring on the STO inputs and being indicated to the Mint program): < 200 ms user
defined period, set by
STOINPUTMISMATCHTIME
.
Summary of Contents for MicroFlex e190
Page 1: ...ABB motion control User s manual MicroFlex e190 servo drive ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 26: ...26 Introduction to the manual ...
Page 90: ...90 Electrical installation input output ...
Page 146: ...146 Maintenance ...
Page 178: ...178 Resistor braking ...
Page 186: ...186 Accessories ...
Page 208: ...208 Appendix Safe Torque Off STO ...