Pepperl+Fuchs FSU-2 Logic Control Unit

Manufacturer: PEPPERL+FUCHS
Type: Logic Control Unit 
Model: FSU-2

Connection: terminals 17+, 18–
Rated voltage: 20 … 35 V DC
INPUT
Connection: terminals 1+, 2+, 3
Open circuit voltage/Short-circuit current: approx. 8 V DC / approx. 8 Ma
Switching point/Switching hysteresis: 1,2 … 2,1 mA / approx. 0,2 mA
Output
Connection: output I: terminals 7+, 8- ; output II: terminals 9+, 13- ; output III: terminals 14+, 15
Output I: fault signal ; electronic output, passive
Signal level: 1-signal: (L+) -2.5 V (100 mA, short-circuit proof)
0-signal: blocked output (off-state current ≤ 10 µA)
Current range:  0 … 20 mA