Siemens FM 450-1 - Page 52

Step Options/procedure (X)
Assign the FM 450-1 pa‐
rameters
Select encoders for counter 2
5-V encoder with symmetri‐
cal signals
Monitoring A + B + N
A + B
A
None
24-V encoder with asym‐
metrical signals
Interface Current-sinking output
Current-sourcing output/
push-pull
Frequency range/
minimum pulse width
≤200 kHz/≥2.5 μs
≤20 kHz/≥25 μs
24-V encoder with a pulse
train and direction signal
Interface Current-sinking output
Current-sourcing output/
push-pull
Frequency range/
minimum pulse width
≤200 kHz/≥2.5 μs
≤20 kHz/≥25 μs
24-V initiator
Signal evaluation Single
Double
Quadruple
Frequency and direction (with 24-V encoders)
Commissioning
7.3 Working steps for parameter assignment
Counter module FM 450-1
52 Equipment Manual, 03/2022, A5E03648739-AC