MCU TTL To RS485 Module 485 Serial UART Port Switching Control Flow

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MCU TTL To RS485 Module 485 Serial UART Port Switching Control Flow

Stock: In Stock
Brand: xcluma
Model: BE-002814
Weight: 9.00g
SKU: BE-002814
MPN: BE-002814

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Rs157.00

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Description
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RS485, TTL signals of all single-sided cord, ensure signal quality, improve signal integrity
With 2.54 pitch hole plate welding holes, convenient for your secondary development
With M3 screw holes that are quite commonly used at present, easy and reliable installation
The working temperature of industrial grade chips can reach -40℃ to +85℃.
support 3.3V and 5V signal control system, compatibility stronger
With 120Ω termination resistance, short-circuit R16 to enable termination resistance
All chips are guaranteed to be imported industrial-grade chips, and the ultra-long-distance transmission can reach thousands of kilometres.
ESD protection with plus or minus 15KV
The chip has a limited slew rate driver to minimize EMI and reduce signal reflections caused by improper terminal matching cables, so that the error-free signal transmission rate is as high as 500Kbps.
The input impedance of the receiver with 1/4-unit load supports multi-machine communication and allows connection to a bus of up to 128 devices.
This module can be hot-swapped, and there will be no signal bolting phenomenon caused by hot-plugging of other 485 chips.
The power supply uses chip tantalum electrolytic capacitors, and double capacitors are used for high and low frequency power supply filtering.
Using dual transient suppression diodes, the overvoltage protection performance is better.
Use 10Ω current protection resistors, patch design to improve 485 signal integrity.
With terminals and welding lead holes, it is convenient to debug and finalize the wiring.
Welding leads can improve signal reliability
Large area copper laying to prevent signal interference
With power supply and RXD, TXD signal indicator, the receiving and sending status can be seen at glance
Lead-out pin is easy to test

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