1. Squarewave, CMOS or TTL
2. Open-Collector
3. Reed Switch
Input Circuits 65
1
on
Common
eg. vortex, pre-amplifiers
8
9
8
or magnetic flowmeters
Model 415
on
1
8
9
8
Common
eg. hall effect
sensors
Model 415
1
8
on
8
eg. positive displacement
flowmeters with reed switch
9
Model 415