0GH-AI375

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The 0GH-AI375 analog input module offers 8 channels, a 12-bit resolution, an input range of 4–20 mA or 0–10 V, and channel-to-bus isolation rated at 1500 V AC for 1 minute. From the 0GH PLC Modules series by B & R Automation, it has a compact size of 25 x 100 x 100 mm and a power consumption of approximately 3 W.

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Product Description:

This 0GH-AI375analog input module designed by B & R Automation converts the measured current and voltage to their corresponding numerical values for processing by a PLC. The module has a standard design. This product needs a terminal block for operation. The device is engaged in the acquisition of analog signals from a variety of field systems such as sensors and transmitters. This unit comprises eight differential inputs. It is cULus Recognized. The module deploys a successive approximation conversion procedure.

This product has one normal operation mode and two special operating modes. The device features RUN and MODE status LEDs. This unit has 20 pins in its design, including four pins for shielding. It uses shielded cables for its connection. The module’s shielded connections are connected to the ground through 100-ohm resistors. This product portrays electrical isolation with the PLCs. The device portrays single-width dimensions. This unit’s nominal operation mode is set automatically when it is powered on. Its converter value changes in increments of 16.

The module depicts a 12-bit digital converter resolution. This product’s design comprises a 1st order low-pass input filter with a cut-off frequency of 450 Hz. The device’s data points are directly accessed using a variable name in the application program. This unit features a +/-10 V input signal. It also has a total power consumption of 4.5 W and a repeat precision of +/-0.025%. The analog input module supports a change in operating mode at any point in time in the operation period by setting the mode register 2 to the desired value.

Dimensions (w X H X D)
25 x 100 x 100 mm
Input Impedance (current)
Approx. 250 Ω
Input Impedance (voltage)
Approx. 200 kΩ
Input Range
4–20 mA, 0–20 mA, 0–10 V, ±10 V
Input Type
Current/Voltage
Isolation
Channel-to-bus isolation: 1500 V AC for 1 minute
Number Of Channels
8 channels
Operating Temperature
0 to 55°C
Power Consumption
Approx. 3 W
Power Supply Voltage
Supplied from backplane
Resolution
12 bit
Storage Temperature
-25 to 70°C
Type
AI375 Analog Input Module
Update Time
Approx. 5 ms (all channels)

Frequently Asked Questions about 0GH-AI375:

Q: Why does the MODE LED of the 0GH-AI375 module flash briefly?

A: The MODE LED of the 0GH-AI375 module flashes briefly on detecting a start pulse when it operates in one of the two special operating modes.

Q: What electrical isolation does the 0GH-AI375 module have?

A: The 0GH-AI375 module portrays electrical isolation with the PLC but not between its inputs.

Q: What is the non-linearity of the 0GH-AI375 module?

A: The non-linearity of the 0GH-AI375 module is +/-1 LSB.

Q: What is the resistance of the differential inputs of the 0GH-AI375 module?

A: The resistance of the differential inputs of the 0GH-AI375 module is 2 Megohms.

Q: Which pins of the 0GH-AI375 module are assigned as shield?

A: Pins 9 to 12 of the 0GH-AI375 module are assigned as shield.


Internal Product Review

  • ‘‘The 0GH-AI375 has multiple analog inputs that helps in data acquisition simultaneously. It can be integrated easily with other SYSTEM 2005 modules from the manufacturer. The module has high resolution and accuracy.’’

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