Emerson Micro Motion 4200 Instruction Manual page 27

Installation Manual
MMI-20058013
Table 3-3: For maximum loop resistance for Channel B
Condition
7.0 V < Vs <20.2 V
20.2 V < Vs < 30 V
Channel B Discrete Output/Frequency Output terminal requirements
Use the chart below to determine the required supply voltage for Channel B for DO/FO.
Figure 3-3: Channel B FO/DO output supply voltage and loop resistance
A. Loop resistance (Ohms)
B. Supply voltage (Vs)
C. Maximum loop resistance (Ohms)
Note
For Maximum Loop Resistance:
• (Vs – 6.0 V)/4.0mA.
Installation Manual
Equation
(Vs-7.0 V)/22mA
600 Ohms
Wiring the channels
March 2024
27