3 SPECIFICATIONS

MELSEC-Q

3.4.15Industrial shipment settings and user range settings offset/gain values (buffer memory addresses 202 to 233: Un\G202 to Un\G233)

(1)Areas used to restore the user range settings offset/gain values when online module change is made.

Refer to chapter 7 for details of online module change.

(2)When the offset/gain values of the user range setting are restored, the used data are stored.

The data are stored (saved) when:

•Initial setting write is performed by the utility;

•The operating condition is set (Y9 turns from OFF to ON 1); or

•The offset/gain values are written in the offset/gain setting mode (YA turns from OFF to ON).

1: The data are not saved when values have been written to the mode switching setting area (buffer memory addresses 158, 159: Un\G158, Un\G159).

(3)When restoring the offset/gain values of the user range setting, set the data saved here similarly into the corresponding area of the module where the data will be restored.

(4)Buffer memory saving recording procedure for online module change

1) Set the pass data classification setting (buffer memory addresses 200: Un\G200).

2) Turn the operation condition setting request (Y9) from OFF to ON.

3) Compare the offset/gain values of the industrial shipment settings and user range settings (buffer memory addresses 202 to 233: Un\G202 to Un\G233) with the range reference values. Refer to Section 7.4 for the range reference values.

4) If the values are proper, record the offset/gain values of the pass data classification setting , industrial shipment settings and user range settings. : The Q68ADV/Q68ADI does not require the setting and recording of the

pass data classification setting.

POINT

Refer to Section 4.6 for the offset/gain value setting method.

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Mitsubishi Electronics Q68ADV, Q68ADI, Q64AD user manual Melsec-Q
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Q68ADV, Q68ADI, Q64AD specifications

Mitsubishi Electronics, a renowned leader in automation technology, has developed advanced analog input modules that play a crucial role in numerous industrial applications. Among them, the Q64AD, Q68ADI, and Q68ADV models stand out with their impressive features and capabilities tailored for precise data acquisition and control.

The Q64AD module is designed for high-performance analog signal processing. It offers up to 16 channels of differential input, making it suitable for applications requiring multiple sensor readings simultaneously. The resolution of 16 bits enables accurate data capture, ensuring that subtle variations in process variables, such as temperature or pressure, are detectable. One of its key advantages is the high-speed sampling capability, allowing data collection at rates of up to 100 milliseconds per channel, essential for real-time monitoring in fast-paced environments.

In contrast, the Q68ADI model enhances the versatility of the analog input system. It includes built-in isolators, providing additional protection against noise and interference commonly found in industrial settings. This isolation feature improves the reliability of sensor readings, especially in harsh environments where electrical noise can impact performance. Furthermore, the Q68ADI supports both voltage and current input types, making it adaptable to various sensor configurations, such as thermocouples and RTDs, expanding its usability across different applications.

The Q68ADV module takes versatility a step further by integrating advanced diagnostic features. This model offers a range of additional functions, including built-in fault detection and self-diagnosis capabilities that identify issues before they escalate into significant problems. It also features temperature compensation and linearization algorithms, which enhance the accuracy of reading from thermocouples and other temperature sensors. The Q68ADV module is ideal for applications demanding high reliability and stringent performance standards, making it indispensable in industries like pharmaceuticals and food processing.

All three models are designed to seamlessly integrate with Mitsubishi's PLC systems, ensuring smooth communication and data exchange. They support various protocols, making them compatible with a wide range of devices and systems. Collectively, the Q64AD, Q68ADI, and Q68ADV modules exemplify Mitsubishi Electronics' commitment to delivering high-quality, reliable, and innovative solutions in industrial automation, empowering businesses to achieve greater efficiency and operational excellence.
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