Industrial-Grade 16-Channel Relay Module with RS485 Control

Overview

This advanced 16-channel relay module is designed for industrial applications, utilizing the RS485 bus and Modbus RTU protocol. It features robust protection mechanisms and a durable ABS casing, making it an ideal choice for high-demand environments.

Key Features

• Industrial Design: Built to withstand rigorous conditions with a sturdy ABS enclosure.
• Communication Protocol: Operates on the Modbus RTU protocol, ensuring fast and reliable communication.
• Configurable Addressing: Supports device addresses from 1 to 255, allowing multiple devices to be connected in series on the RS485 bus.
• Relay Functionality: Capable of timed relay operations; relays can be activated for specified durations before automatically shutting off.
• Integrated Power Isolation: Provides stable isolation voltage without needing an external power supply at the isolation end.
• Signal Isolation Technology: Features ADI magnetic isolation for enhanced reliability and reduced interference while consuming minimal power.
• Surge Protection Components: Equipped with a resettable fuse and TVS diode to guard against overcurrent, overvoltage, lightning strikes, and static electricity.
• Optocoupler Isolation: Prevents interference from high-voltage circuits ensuring safe operation of relays.
• Dedicated Driver Chip: Includes a specialized relay driver chip with built-in freewheeling diode protection for improved driving capability.
• Reverse Connection Prevention Circuitry: Protects against accidental damage due to incorrect wiring connections.
• High Capacity Relays: Each relay supports contact ratings up to ≤10A at 250VAC/30VDC.

Technical Specifications

1. Working Voltage: 5V
2. Communication Interface: RS485
3. Baud Rate Options:

– 4800
– 9600
– 19200
– 38400
– 57600
– 115200
– 128000
– 256000

1. Default Communication Format: Baud rate of 9600, N (no parity), data bits (8), stop bits (1)
2. Total Relay Channels Available: 16
3. Contact Configuration per Channel:

– One Normally Open (NO)
– One Normally Closed (NC)

1. Standard Communication Protocol Used:

Modbus RTU

1. Address Range for RS485 Communication:

1–255

1. LED Indicators:

STA: MCU operational status indicator
TXD: Data transmission indicator
RXD: Data reception indicator

Packing List

Modbus RTU Relay Module (16CH) x1
US Plug Power Supply (5V/2A) with EU Adapter x1

Product Dimensions & Weight Information

| Specification | Details |
|————————|———————————-|
| Package Weight | Approximately 0.54 kg / 1.20 lb |
| Package Size | 24 cm x 13 cm x 7 cm |
| Quantity per Carton | 52 units |
| Carton Weight | Approximately 30 kg / 66 lb |
| Carton Size | 50 cm x 50 cm x 60 cm |

This product is essential for those requiring reliable control solutions in industrial settings where communication speed and stability are paramount.

Shipping
This product ships From China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days.

Payments
WE ACCEPT THE DIFFERENT PAYMENT METHODS ADVERTISED ON THE SITE, SUCH AS VISA, MASTERCARD, AMERICAN EXPRESS, DINERS CLUB CARDS AND MORE

Returns And Refunds
Sometimes we may require you to return the item to receive a refund in the uncommon situation it arrives defective. In other situations when it is proven that you did not receive the item due to circumstances such as shipping carrier issues etc., you can request a full refund via your original payment method or alternatives like PayPal or cryptocurrencies by contacting us through WhatsApp or email or our contact form. Read our full Returns and Refunds Policy here.

How To Place An Order and common questions:
FAQ Page – OBD2 Technology