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Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Waveshare

$ 44,50

SKU: mode_8053372027116 Category: Relay Module Tags: Data Acquisition, Relay Modules, Remote IO Server

Description
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Industrial Modbus RTU 8-ch Relay Module with RS485 Interface

Industrial Modbus RTU 8-Ch Relay Module (B) With RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

Features:

This is an industrial 8-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, magnetical isolation, TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay (B) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipment and/or applications with high communication requirements.

Configurable device address (1~255), multi-devices can be cascaded on RS485 bus
Features flash-on, and flash-off functions, by passing an argument to the command, it is possible to turn on the relay for a while and then close it automatically
Onboard unibody power supply isolation, provides stable isolated voltage, and needs no extra power supply for the isolated terminal
Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightning proof & anti-electrostatic
Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
Reverse-proof circuit, prevents the circuit from being damaged accidentally by incorrect connection
High-quality relay, contact rating: ≤10A 250VAC/30VDC
Rail-mounted ABS plastic enclosure, easy to install, safe to use
3 LEDs for indicating the MCU status and signal transceiving status

Specifications

PRODUCT	Modbus RTU Relay	Modbus RTU Relay (B)
POWER SUPPLY	5V	7~36V
COMMUNICATION INTERFACE	RS485
BAUDRATE	4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
DEFAULT COMMUNICATION FORMAT	9600, N, 8, 1
RELAY CHANNELS	8
CONTACT FORM	1NO 1NC
CONTACT RATING	≤10A 250VAC/30VDC
COMMUNICATION PROTOCOL	Standard Modbus RTU protocol
RS485 ADDRESS	1~255
LED INDICATORS	STA: MCU indicator, keeps flashing when the MCU normally working TXD: TX indicator, lights up when sending data RXD: RX indicator, lights up when receiving data

Hardware Analysis

Multiple Protections For Safer And More Reliable Use

Enclosure Design

Rail-mounted ABS Plastic Enclosure, Easy To Install, Safe To Use

RS485 Communication

Configurable Device Address (1~255), Multi Devices Can Be Cascaded On RS485 Bus

In Case Many Devices Are Cascaded, Or the Communication Distance Is Quite Long, It Is Necessary To Use RS485 Repeaters

Relay Connection

Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC
Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC

Applications

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Resources & Services

Fast Shipping and Professional Packing

Through our long-term relationship in a long-standing partnership with UPS, FedEx, DHL and many other top global carriers we can provide a variety of shipping options. Our warehouse employees will pack every item to our exacting specifications. The goods you send us are checked thoroughly and secured properly prior to shipping. Everyday we deliver thousands of packages to customers across many countries. The fact that we're committed to becoming the biggest online retailer in the world is clear. Both Europe as well as the USA have warehouses and distribution centres.

Orders that contain more than one item are assigned processing times in accordance with the item.

We will inspect each and every one of the items ordered before shipping. Today, most orders will be shipped within 48 hours. The delivery time should be between 3-7 days.

Returns

The stock market is always changing. It's not entirely managed by us, since we have multiple organizations, such as the factory and our storage. Stock levels can fluctuate at any given time. Please understand it may happen that your order will be out of stock after the order is placed.

The policy is for 30 days. If you have passed 30 days in the past since you purchased, unfortunately we can't offer you a refund or exchange.

To be eligible for a refund, your item must be in good condition and in the same state that you received it. The item must be in the original packaging.