Specification

EM231, 4 AI×12BIT

Physical Features

   Dimensions(W×H×D)

71.2×80×62mm

   Power Loss(dissipation)

2W

Power Consumption

    From +5V(from I/O bus)

34 mA

    From L+

40 mA

    L+  voltage range,class 2 or DC sensor supply

20.4~28.8V DC

    LED indicator

24 VDC Power Supply  Good
           ON = no fault,
           OFF = no 24 VDC power

Analog Input Feature

    Number of analog input points

4 points

    Isolation(field side to logic circuit)

Optical isolated: 500VAC, 1 minute

    input type

Differential

    Input Range

        Voltage(unipolar)

0~10V, 0~5V

        Voltage(bipolar)

±5V, ±2.5V

        Current

0~20 mA

        Data Range

15~30V

        Bipolar,full-scale range

0~32000

        Unipolar, full-scale range

-32000~32000

Input Resolution

        Voltage(unipolar)

2.5 mV (0~10V)

1.25 mV (0~5V)

        Voltage(bipolar)

2.5 mV (±5V)

1.25 mV (±2.5V)

        Current

5μA (0~20mA)

    Analog to digital conversion time

<300μs

    Analog input step response

1.5ms

    Common mode rejection

40dB,DC to 60Hz

    Common mode voltage

Signal voltage + Common mode voltage < 12V

    Input Impedance

≥10MΩ

    Input filter attenuation

-3db @ 3.1kHz

    Maximum input voltage

30V

    Maximum input current

30mA

    ADC resolution

12BIT