5pcs/1pc Serial TTL to RS485 Convertor MAX485 MAX3485 Unidirectional MAX13487 Bidirectional Communication Transceiver Module
MAX13487 Bidirection / 5pcs
$20.43
Sale price
$20.43
Regular price
$0.00
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Unidirectional: Communication can only transmit or receive. However, the EN pin can be used to switch the direction.
Bidirectional: Communication direction does not require manual switching; transmission and reception are fully automatic. The EN pin cannot be used to switch the direction; otherwise, the computer may be damaged and the consequences will be at your own risk.
Product Introduction
RS-485's differential communication method offers wide common-mode rejection and long-distance transmission stability, greatly improving communication distance. Depending on the cable material, the RS485 protocol allows for a maximum communication distance of up to 1000 meters. Therefore, it is widely used in industrial automation, building intercoms, smart meters, security monitoring, and other applications requiring multi-node, long-distance, interference-resistant half-duplex or full-duplex communication.
A TTL to RS-485 transceiver is an interface chip that converts single-ended TTL (3.3 V/5 V) serial data to differential RS-485 bus signals. During operation, when the MCU's TXD pin outputs high or low level data, the driver inside the transceiver, controlled by the DE (Driver Enable) pin, converts the signal into two inverted differential levels, A and B, and drives them onto the bus. When the RE (Receiver Enable) pin is enabled, the receiver picks up the signal from the differential bus, converts it back to single-ended TTL levels, and sends it back to the MCU.
Product Parameters
1. Operating Voltage: 3.0-3.6V (MAX3485) 4.75V-5.25V (MAX485, MAX13487)
2. Indicator: Power indicator (red)
3. Dimensions: 19.3*13.3mm
4. Pin Pitch: 2.54mm, 15.2mm between pin header rows
Note: Product dimensions are manually measured and may vary.
5. Max communication speed: MAX3485: 12Mbps
MAX485: 2.5Mbps
MAX13487: 500Kbps
Module Features
* Onboard RS-485 chip, a low-power, slew-rate-limited transceiver for RS-485 communication
* Converts TTL-level signals to RS-485 signals, and vice versa.
* Converts microcontroller serial port and other TTL serial port signals to RS-485 signals, enabling networking or long-distance communication.
* Serial port pins and direction control pins
* 120Ω matching resistor
5pcs/1pc Serial TTL to RS485 Convertor MAX485 MAX3485 Unidirectional MAX13487 Bidirectional Communication Transceiver Module
$20.43
Sale price
$20.43
Regular price
$0.00
Description
SPECIFICATIONS
Application: Computer
Brand Name: Jessinie
Condition: New
Dissipation Power: Low
High-concerned chemical: none
Operating Temperature: Normal
Origin: Mainland China
Package: TQFP
Supply Voltage: Standard
Type: Module
is_customized: Yes
Unidirectional: Communication can only transmit or receive. However, the EN pin can be used to switch the direction.
Bidirectional: Communication direction does not require manual switching; transmission and reception are fully automatic. The EN pin cannot be used to switch the direction; otherwise, the computer may be damaged and the consequences will be at your own risk.
Product Introduction
RS-485's differential communication method offers wide common-mode rejection and long-distance transmission stability, greatly improving communication distance. Depending on the cable material, the RS485 protocol allows for a maximum communication distance of up to 1000 meters. Therefore, it is widely used in industrial automation, building intercoms, smart meters, security monitoring, and other applications requiring multi-node, long-distance, interference-resistant half-duplex or full-duplex communication.
A TTL to RS-485 transceiver is an interface chip that converts single-ended TTL (3.3 V/5 V) serial data to differential RS-485 bus signals. During operation, when the MCU's TXD pin outputs high or low level data, the driver inside the transceiver, controlled by the DE (Driver Enable) pin, converts the signal into two inverted differential levels, A and B, and drives them onto the bus. When the RE (Receiver Enable) pin is enabled, the receiver picks up the signal from the differential bus, converts it back to single-ended TTL levels, and sends it back to the MCU.
Product Parameters
1. Operating Voltage: 3.0-3.6V (MAX3485) 4.75V-5.25V (MAX485, MAX13487)
2. Indicator: Power indicator (red)
3. Dimensions: 19.3*13.3mm
4. Pin Pitch: 2.54mm, 15.2mm between pin header rows
Note: Product dimensions are manually measured and may vary.
5. Max communication speed: MAX3485: 12Mbps
MAX485: 2.5Mbps
MAX13487: 500Kbps
Module Features
* Onboard RS-485 chip, a low-power, slew-rate-limited transceiver for RS-485 communication
* Converts TTL-level signals to RS-485 signals, and vice versa.
* Converts microcontroller serial port and other TTL serial port signals to RS-485 signals, enabling networking or long-distance communication.
* Serial port pins and direction control pins
* 120Ω matching resistor
Free Shipping Over $199
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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