Rail-mount TTL To RS485 Galvanic isolated Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection (WS-23778)

Rail-mount TTL To RS485 Galvanic isolated Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection (WS-23778)

Name: Rail-mount TTL To RS485 Galvanic isolated Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection (WS-23778)
Brand: Waveshare Electronics
SKU: WS-23778
Price: 19.8 EUR
Availability: PreOrder

Reference WS-23778

€19.80

16.50 € tax excl.

Description
Product Details

Rail-mount TTL To RS485 Galvanic isolated Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection (WS-23778)

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 resistance
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
POWER SUPPLY INTERFACE	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
APPEARANCE	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 resistance

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.