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QJ72LP25G
The QJ72LP25G from Mitsubishi is part of the Melsec-Q series and functions as an NET/H remote input/output controller. It uses optical loop networking and supports communication at a speed of 10 megabits per second. This controller is designed with a duplex loop topology.
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Technical specifications for QJ72LP25G
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | NET/H remote input/output controller |
| Product Line | Melsec-Q |
| Part Number | QJ72LP25G |
| Weight | 15.00 lbs (6.80 kg) |
| Transmission Format | High-Level Data Link Control (HDLC) (Frame format) |
| Network Topology | Duplex loop |
| Network System | Optical loop system |
| Internal Current Consumption | 0.89 Amperes at 5 Volts DC |
| Maximum Number of Networks | 239 networks |
| Communication Method | Token ring |
| Number of Connected Stations Per Network | 65 stations |
| Maximum Cable Distance | 30 kilometers |
| Communication Speed | 10 megabits per second |
| Synchronization Method | Frame synchronization |
| Encoding Method | Non Return to Zero Inverted (NRZI) method |
The Mitsubishi QJ72LP25G module is an advanced NET/H remote input/output controller within the Melsec-Q series. It serves as a crucial component for optical loop systems and operates using a high-level data link control (HDLC) frame format. This unit is built to function on a duplex loop topology, enhancing network resilience.
The device consumes 0.89 Amperes at a supply voltage of 5 Volts DC, making efficient use of power for its operations. It supports up to 239 separate networks, further allowing connectivity for a total of 65 stations per network, facilitating extensive communication setups.
With a communication rate nailed at 10 megabits per second, it delivers substantial performance for data transfers within the system. The synchronization of communication is achieved through frame synchronization mechanisms, ensuring that data transfers are smooth and reliable. Data encoding is implemented using the Non Return to Zero Inverted (NRZI) method, which enhances error detection and correction capabilities.
In addition, the compact design of the QJ72LP25G, with dimensions measuring 3.54 inches in height, 1.08 inches in width, and an equal depth of 3.54 inches, allows it to fit conveniently within various control setups. Weighing only 0.33 pounds, the controller is lightweight, contributing to easier handling and installation. The maximum cable distance supported by this device is an impressive 30 kilometers, providing flexibility in system layout.