Rockwell-automation 1746-HSCE2 Multi-Channel High-Speed Counter Instal Instrukcja Użytkownika Pobierz pdf (Strona 13)

Multi-Channel High-Speed Counter 13

Publication 1746-IN002A-US-P

Single-Ended Wiring (Discrete Devices)

(1) External resistors are needed if not internal to the sensor. Check your sensor’s documentation.

The pull-up resistor (R) value depends on the power supply value. The table below shows

resistor values for typical supply voltages. To calculate the resistor value, use one of the

following formulas:

For 5V dc:

For 24V dc:

where:R = pull-up resistor value

Vcc = power supply voltage

Vmin = 4.2 V dc

Imin = 6.3 mA

Power Supply Voltage (Vcc)

Pull-up Resistor Value (R)

(1)

(1) Resistance values may change, depending upon your application.

5V dc 127 Ω

12V dc 238 Ω

24V dc 2140 Ω

A(+)

A(–)

B(+)

B(–)

Z(+)

Z(–)

+VDC

COM

OUT

COM

OUT

COM

OUT

COM

(1)

Power

Supply

proximity sensor

photoelectric sensor

with open collector

sinking output

Module Inputs

solid-state

switch

Vcc Vmin

–()

Imin

------------------------------------=

Vcc Vmin

–()

Imin

------------------------------------ 1

Ω–





1 2 ... 8 9 10 11 12 13 14 15 16 17 18 19 20

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