Yokogawa 415 Steam and Gas - Manual (Page 68)

4. Coils
5. Namur Proximity Switch
6. Opto-Sensors
66 Input Circuits
on
1 8
11
9
+8V
eg. positive displacement
flowmeters with 2 wire
proximity switch outputs
Model 415
1 8
on
11
Resistor
Common
and opto-sensors.
Note that the current
limiting resistor may be
required. See the flowmeter
manufacturer's data.
eg. pre-amplifiers
9
8
Model 415
on
1
9
8
Use shielded
cable
eg. millivolt signal
from a turbine flowmeter
(single input only)
8
to case earth
Model 415