SKU:WSAL23778

Rail-mount TTL To RS485 Galvanic isolated Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection

Rail-mount TTL To RS485 (B)

Galvanic isolated Serial Port Converter

Features at a glance

• Compatible with TTL/RS485 standard, converting the TTL signal into differential RS485 signal, support half-duplex communication
• Compatible with 3.3V ~ 5V TTL signal level, provides anti-reverse and over-voltage protection for power supply interface
• Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal
• Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
• Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
• Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provide over-current/over-voltage protection, improve shock proof performance
• Onboard RS485 output terminal 120R resistor, enabled/disabled via switch
• Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective

Specifications

Product Type	Galvanic isolated TTL To RS485 converter
Power supply interface	Power supply	3.3V ~ 5V
	Protection	over-voltage, reverse-proof
Device Port	TTL/RS485 standard compatible
TTL	Connector	screw terminal
	Transmission distance	about 10m
	Transmission mode	point-to-point
RS485	Connector	screw terminal
	Protection	600W lightningproof and surge-suppress, 15KV ESD protection
	Terminal resistor	120R, enabled/disabled via switch
	Transmission Distance	About 1.2km
	Transmission Mode	point-to-multipoint (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
Appearance	Case	Rail-mount ABS case, suitable for 35mm DIN rail
	Dimensions	91.6 × 58.7 × 23.3mm

Primary function

Converting the TTL signal into balanced differential RS485 signal for interface converting, expanding nodes and long-distance communication

Rail-Mount Support

Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely

Multiple Protection, Safe And Stable

Onboard power and signal isolation, provide stable isolated voltage, high reliability and strong anti-interference. Onboard Lightningproof Diodes and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage protection, improves shock proof performance

Interface Introduction

Top side screw terminal		Bottom side screw terminal
VCC	Power Input DC 3.3V~5V power supply	DIP Switch	120R enable switch
GND	Ground	SGND	RS485 signal ground
TXD	TTL transmit data pin	A+	RS485 differential signal positive
RXD	TTL receive data pin	B-	RS485 differential signal negative

Communication Connection Diagram

TTL convert to RS485, point to point, half-duplex communication, suitable for interface conversion

TTL convert to RS485, point-to-multipoint, half-duplex communication, suitable for expanding nodes

Two groups TTL To RS485 conversion, point-to-point, half-duplex communication, suitable for extending the communication distance of TTL

Application Examples

The TTL To RS485 (B) can be widely used for point-to-point, point-to-multipoint, long distance cascaded communication network between two hosts, or between host and MCU/Peripheral. It also can be used in the application scenarios that require TTL To RS485 conversion such as Industrial Automation and IoT.

Product Show

Dimensions

Resources & Services

Wiki:www.waveshare.com/wiki/TTL_TO_RS485_(B)

Lieferumfang

1. TTL To RS485 (B) x1
2. Screwdriver x1

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• Verkäufer:

  WaveShare

• Tags: Brand_waveshare,  Cat_communication,  Cat_iot,  Compat_raspberry_pi,  Iface_can,  Iface_rs232,  Iface_rs485,  Platform_raspberry_pi,  Sub_converter,  Sub_dali2,  Sub_wired_communication