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Specification
Brand : waveshare
BulletPoint1 : Rail-Mount TTL To RS485 (B)--- TTL TO RS485 (B) is an industrial-grade rail-mounted electrically isolated TTL-to-RS485 serial converter. Compatible with TTL/RS485 standard,Converting The TTL Signal Into Balanced Differential RS485 Signal,for Interface Converting, Expanding Nodes And Long-Distance Communication.
BulletPoint2 : Rail-Mount Support--- Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely.
BulletPoint3 : Multiple Protection, Safe And Stable--- Onboard power and signal isolation, provide stable isolated voltage. 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.
BulletPoint4 : Communication Connection Diagram--- TTL convert to RS485, point to point, half-duplex communication, suitable for interface conversion
BulletPoint5 : Application--- 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.
Color : TTL-RS485
CompatibleDevices : [Many]
ConnectorType : RJ45
CurrentRating : 24 amps
ExternallyAssignedProductIdentifier1 : 734602655015
ExternallyAssignedProductIdentifier2 : 0734602655015
FinishType : Transparent
ItemName : waveshare Rail-Mount TTL to RS485 Converter Galvanic Isolated Bi-Directional Adapter, Anti-Surge, Multi-Isolation Protection 1.2km Transmission Distance, Used for Industrial Automation and IoT
ItemPackageDimensions_Height : 10.5918 centimeters
ItemPackageDimensions_Length : 3.2004 centimeters
ItemPackageDimensions_Width : 7.8994 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : computer-cable-serial-adapters
Manufacturer : Waveshare
Material : Metal
ModelNumber : TTL-RS485-B Ver 778
NumberOfItems : 1
NumberOfPorts : 2
PartNumber : TTL-RS485-B Ver 778
PowerPlugType : no_plug
ProductDescription : Features
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
DEVICE PORT--TTL/RS485 standard compatible

POWER SUPPLY INTERFACE
Power supply-- 3.3V ~ 5V
Protection-- over-voltage, reverse-proof

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)
Dimensions--91.6 × 58.7 × 23.3mm

Development Resource/How to use
: bit.ly/3FziXDB

PACKAGE CONTENT
TTL To RS485 (B) x1
Screwdriver x1

ProductSiteLaunchDate : 2022-12-17T12:06:44.098Z
Size : 1Piece
SupplierDeclaredDgHzRegulation : not_applicable
UnitCount : 1
UnspscCode : 43202222