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A1S-J71QLP21

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The A1SJ71QLP21 is a MELSECNET/10 network module manufactured by Mitsubishi Electric. It was designed for use with MELSEC QnA series programmable controllers. It is a versatile communication interface that provides NET/10MASTER/LOCALFIBER LINK capabilities to a PLC. It weighs just 0.42 kg. One of the key features of the A1S-J71QLP21 network module is its standard communication speed of 10 Mbps, allowing for fast and efficient data transfer between devices. This module also supports a communication speed of 20 Mbps with multiplex transmission. It utilizes a token ring mode communication method, which ensures reliable and secure communication by passing a token between connected devices to control access to the network. The A1SJ71QLP21 module supports a transmission circuit format known as a double loop format. This means that the communication network can be set up with redundant pathways, providing increased reliability and fault tolerance. If one pathway fails, the communication can seamlessly switch to the alternative pathway, minimizing disruptions in the system. The A1SJ71QLP21 network module supports up to 239 networks, and this enables the integration of numerous devices and subsystems into a larger networked environment. This also allows for the centralized control and monitoring of various processes and equipment. The A1SJ71QLP21 network module operates at a voltage range of 20.4-31.2V DC from an external power supply. Its external power supply current rating is 0.2 A, and its current consumption rating is 0.65 A at 5V DC. This ensures compatibility with standard industrial power supplies that are commonly used in automation systems. The A1SJ71QLP21 module occupies 32 I/O points when it is installed.

Technical Specifications for A1S-J71QLP21

Module Type:Network module
Manufacturer:Mitsubishi
MELSECNET/10 network:Supported
Standard communication speed:10 Mbps
Communication method:Token Ring Mode
Transmission circuit format:Double loop
Maximum number of networks:239
Voltage:20.4-31.2VDC (external supply)
Current:0.2A (external supply)
Weight (kgs):0.42

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.