ABB FSO-21 - Page 526

526 Technical data
POUS
Prevention of unexpected start-up (POUS) includes the following subsystems: FSO
Digital input, FSO Logic (1 or 2), FSO STO output, FSO Digital output (optional), and
Drive STO.
SMS without encoder
Safe maximum speed (SMS) includes the following subsystems: FSO encoderless
speed measurement, FSO Logic 2, FSO STO output, and Drive STO.
1 FSO Digital input
2 FSO Logic (1 or 2)
3 FSO STO output
4 FSO Digital output (optional)
5Drive STO
1 FSO encoderless speed measurement
2 FSO Logic 2
3 FSO STO output
4Drive STO
1 2 3 4 5
1 2 3 4