Emerson IFT9701 Manuale delle Istruzioni Scaricare il pdf (Pagina 34)

26 Model IFT9701 Transmitter Instruction Manual

Power Supply and Output Wiring continued

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

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

Pulse counter

with pull-up to

internal power

Input

Ground (–) Frequency in (+)

IFT9701 pulse

output terminals

Pulse counter with

no pull-up

Pull-up

resistor

Input

Ground (–) Frequency in (+)

IFT9701 pulse

output terminals

External 5–30 VDC

power supply

To determine the value of the pull-up resistor,

see the graph earlier in this section.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 89 90

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