Emerson Micro Motion 1700 - Configure digital communications

Recommended pull-up resistor versus supply voltageFigure 9-15:
3600
3200
2800
2400
2000
1600
1200
800
0
5 10 15 20 25 30
Supply voltage (Volts)
External pull-up resistor range (Ohms)
4000
4400
9.4.3 Internally powered discrete output wiring on Channel C
Internally powered discrete output wiring on Channel CFigure 9-16:
A
A. Total load
I/O wiring for Model 2700 transmitters with configurable input/outputs
Installation Manual 99