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Q68ADI
The Q68ADI module from Mitsubishi serves as an Analog-Digital Converter. This unit offers eight analog input channels, supporting current inputs from 0 to 20 mA DC with an input resistance of 250 ohms. Its digital output provides a comprehensive 16-bit signed binary format, accommodating two distinct resolution modes.
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Technical specifications for Q68ADI
| Manufacturer | Mitsubishi |
|---|---|
| Product Line | Melsec-Q |
| Part Number | Q68ADI |
| Weight | 0.38 lbs (0.17 kg) |
| Product Name | Analog-Digital Converter Module |
| Analog Input Points | 8 points (8 channels) |
| Analog Input Current | 0 to 20 mA DC (input resistance value 250-ohm) |
| Digital Output | 16-bit signed binary (normal resolution mode: –4096 to 4095, high resolution mode: –12288 to 12287, –16384 to 16383) |
| Absolute Maximum Input | Voltage: ± 15 V and Current: ± 30 mA |
| E2PROM Write Count | Max. 100,000 times |
| Insulation Method | Between the I/O terminal and programmable controller power supply: Photocoupler insulation & Between channels: Non-insulated |
| Dielectric Withstand Voltage | Between the I/O terminal and programmable controller power supply: 500VAC for 1 minute |
| Insulation Resistance | Between the I/O terminal and programmable controller power supply: 500VDC 20M-ohm or more |
| I/O Occupied Points | 16 points (I/O assignment: Intelligent 16 points) |
| Connection Terminals | 18-point terminal block |
| Applicable Wire Size | 0.3 to 0.75 mm^2 |
| Mass | 0.19 kg |
| Applicable Solderless Terminal | R1.25-3 (A solderless terminal with sleeve cannot be used) |
| 5VDC Internal Power Consumption | 0.64A |
The analog-digital converter module, designated as Q68ADI, is part of Mitsubishi's Melsec-Q series. This module is configured with eight analog input channels, making it versatile for various applications requiring precise input measurement. It can accept analog input currents ranging from 0 to 20 mA DC, with an input resistance specification of 250-ohm.
On the digital output front, the Q68ADI utilizes a 16-bit signed binary format. In normal resolution mode, the digital output range is from –4096 to 4095. Alternatively, it can operate in a high-resolution mode, with output limits set at –12288 to 12287, or –16384 to 16383. The module includes safeguards for its inputs, with an absolute maximum input capacity of ± 15 V for voltage and ± 30 mA for current.
In terms of data storage, the E2PROM write count capability allows for a maximum of 100,000 writing cycles, ensuring durability and reliability over time. Isolation methods include photocoupler insulation between the I/O terminals and the programmable controller power supply, and non-insulated connections between channels. Moreover, the dielectric withstand voltage is specified at 500VAC for one minute, providing an additional layer of protection.
The insulation resistance measured between the I/O terminal and the power supply is higher than 20M-ohm when tested at 500VDC. The Q68ADI occupies 16 I/O points, categorized as intelligent. It connects through an 18-point terminal block, accommodating wire sizes ranging from 0.3 to 0.75 mm². The mass of this module is 0.19 kg, and it requires solderless terminals of type R1.25-3; terminals with sleeves are not compatible. Additionally, the module consumes 0.64A from a 5VDC internal supply.
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