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Selec Communication based Relay Module

Price 16000 INR/ Unit

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MOQ : 1 Unit

Selec Communication based Relay Module Specification

Mounting Type
DIN Rail mount

Remote Control
Yes

Application
Industrial automation, remote relay switching, PLC interface

IP Rating
IP20 (indoor use only)

Features
Status LED indication, surge protection, communication fail-safe, compact design, multi-channel switching

Connectivity Type
RS485 (Modbus RTU protocol)

Drive Type
Relay output

Cable Length
Terminal block type, cable length as per panel design

Control Type
Remote/Communication-based

Weight
Approx. 120g

Automation Grade
Automatic

Load Capacity
Up to 7A per relay

Processor Type
Microcontroller based

Phase
Single phase

Frequency
50/60 Hz

Material
Plastic

Power
10-100 Watt (w)

Temperature
-10 to 40 Celsius (oC)

Voltage
Communication supply voltage: 24V DC/AC

Enclosure Color
Black/grey

Communication Indicators
LED status for TX/RX and relay

Bus Termination
Onboard jumper for RS485 termination

Ambient Humidity
Up to 95% RH, non-condensing

Response Time
typically <10ms

Isolation
Optically isolated communication and relay outputs

Relay Type
SPDT (Single Pole Double Throw)

Number of Channels
4/8 relay outputs depending on variant

Selec Communication based Relay Module Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
100 Units Per Day

Delivery Time
1 Week

About Selec Communication based Relay Module

8 Channel 1 Change Over Communication based Relay Module [ERLYMD-2-1-S8-1C0-24V]

INPUT RATING	24V DC
OUTPUT CONTACT RATING	10A @240V AC / 10V DC
NO. OF CHANNEL	8
NO. OF CONTACT	1 Change Over
Communication Interface	RS485 based MODBUS RTU
Baudrate	9600 57600bps
Size	72 X 133

Versatile Industrial Automation Control

Selec's relay module is engineered for remote relay switching across industrial automation, PLC interfacing, and distributed control systems. With support for both 4 and 8-channel configurations, it streamlines multi-point control with high reliability, swift switching, and comprehensive opto-isolation for enhanced operational stability.

Efficient Communication and Safety Features

Communication is facilitated through RS485 using the reliable Modbus RTU protocol, ensuring simple integration into existing systems. Built-in surge protection, communication fail-safe mechanisms, and clear LED indicators for both relay and bus activity provide confidence during installation and ongoing maintenance-reducing downtime in critical applications.

Compact, Durable, and Easy to Install

Featuring a compact black/grey enclosure and convenient DIN rail mounting, this relay module is designed for easy panel integration. The plastic housing is lightweight (approx. 120g) and IP20-rated for indoor use. Installers benefit from practical terminal blocks and onboard bus termination, making deployment straightforward in industrial panel designs.

FAQ's of Selec Communication based Relay Module:

Q: How does the Selec Communication-based Relay Module interface with PLCs and automation controllers?

A: The module connects to PLCs or automation controllers through RS485 using the Modbus RTU protocol, enabling remote switching and control of individual relays as part of your industrial automation system.

Q: What are the key benefits of using SPDT relay outputs in this module?

A: SPDT (Single Pole Double Throw) relays provide flexible switching options; each relay can control two different circuits (normally open and normally closed) using a single input, making them ideal for diverse industrial scenarios.

Q: Where should this relay module be installed for optimal operation and protection?

A: This module is intended for indoor installation only, within control panels or electrical enclosures. The IP20 rating and operational temperature range (-10C to 40C) ensure durability in typical factory or machine room environments.

Q: What process should be followed for proper bus termination on RS485 networks?

A: This module includes an onboard jumper to enable or disable bus termination. Use this jumper to activate the termination resistor at the end of an RS485 communication cable, minimizing data reflection and ensuring reliable communication.

Q: How can users monitor the relay and communication status of the device?

A: LED indicators provide real-time visual feedback on relay activation and TX/RX (communication) status, assisting users in system diagnostics and maintenance.

Q: What safety and reliability features are built into the relay module?

A: Key features include optically isolated relay outputs and communication lines for electrical safety, surge protection to guard against voltage spikes, and a fail-safe communication design to prevent unintended relay switching.

Q: What applications are best suited for this relay module?

A: The module is designed for industrial automation, remote relay switching, PLC interfacing, and distributed control, making it ideal for factories, manufacturing lines, and process automation where reliable, multi-channel remote control is required.

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