
Externally powered frequency output wiring on Channel CFigure 9-10:
A. Pull-up resistor
B. 3–30 VDC
C. Counter
CAUTION!
Exceeding 30 VDC can damage the transmitter. Terminal current must be less than 500 mA.
Recommended pull-up resistor versus supply voltageFigure 9-11:
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
I/O wiring for Model 2700 transmitters with configurable input/outputs
102 Micro Motion
®
Model 1700 and 2700
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