Emerson IFT9701 instruction manual Wiring to pulse counter with internal pull-up resistor

Power Supply and Output Wiring continued

Figure 4-6 Wiring to pulse counter with internal pull-up resistor

Pulse counter with pull-up to internal power

Input

Ground (–)

Frequency in (+)

IFT9701 pulse

output terminals

Figure 4-7 Wiring to pulse counter without internal pull-up resistor

Pulse counter with no pull-up

Input

Ground (–) Frequency in (+)

External 5–30 VDC

power supply

Pull-up resistor

To determine the value of the pull-up resistor, see the graph earlier in this section.

IFT9701 pulse

output terminals

26 Model IFT9701 Transmitter Instruction Manual