Yokogawa 415 Steam and Gas - Manual (Page 71)

Powering from an External Supply
The above diagram shows an installation with dual D. P. transmitters to measure
flow. When using only one 4-20mA flow input, the signal must be connected to
terminal 3 only.
Input Circuits 69
MODEL 415A
7
2
4
14
3
+ -
P
T
+
Temperature
+ -
+ Flow 2 (CH1)
Signal Ground
250
ohm
250
ohm
250
ohm
250
ohm
- +
12-24 VDC
High Flow
Low Flow
∆
P
∆
P
Flow 1 (CH3)
(CH0)
-
-
Pressure
(CH2)