Dynalco SWT-2000 Speed Switch/Speed Transmitter Manual de usuario descargar pdf (Pagina 8)

Operating Instructions SWT-2000 DYNALCO

Input signal for adaptive

trigger min. 500mVpp

(+/-10%) 180mV

RMS

• Max. Voltage: 80V

RMS

(226V

)

• DC- decoupling

• The Trigger level automatically adapts itself to the input signal in the range

+250mV to +2V. The Adaptive Trigger improves the signal to noise immunity

e.g. where electromagnetic sensors are used.

Min. Trigger level: 500 mVpp +/-10% = 180 mV

RMS

+/-10% U min. = f(Frequency)

0.1

1.0

10.0

100.0

1000.0

0.01

0.1

100

1000

10000

100000

Frequency (Hz)

Sensor Signal (V pp)

O.K.

NOT O.K.

Sensor supply

• +14V +/- 0.5V, max. 35mA / Short circuit proof

• If the current limit has been activated, then the circuit needs to be

disconnected to reset the protection.

Typical voltage curve as a function of sensor current

Sensor voltage = f (Sensor current)

13.6

13.8

14.0

14.2

14.4

14.6

14.8

0 5 10 15 20 25 30 35 40 45

Sensor current (mA)

Sensor voltage (V)

Integral pull up resistor

1000Ω to +14V (Only for 2 wire active e.g. NAMUR sensors)

Screen Terminals are provided for each sensor cable screen (Sh1 and Sh2). These

terminals are internally connected to the sensor input / supply 0V.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 34 35

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Dynalco SWT-2000 Speed Switch/Speed Transmitter Manual de usuario Pagina 8

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