24 Channel Relay Output Module Industrial Modbus RTU TCP Remote Relay Controller
Product No.: ZH-YX0024
24 Independent Relay Outputs
Modbus RTU & Modbus TCP Communication
Industrial-Grade Isolation Design
Flexible Relay Operating Modes
24 Channel Relay Output Module Modbus RTU TCP Industrial Controller
Product Details
Industrial 24-Channel Relay Control Module
The ZH-YX0024 is a professional industrial relay control module designed for centralized equipment control and remote switching applications. Equipped with 24 independent relay outputs, it enables reliable control of industrial loads, alarms, valves, pumps, motors and automation systems.The module can operate independently or communicate with PLCs, HMIs, SCADA systems and industrial computers through RS485 or Ethernet interfaces using Modbus RTU and Modbus TCP protocols.
Main Features
① 24 Independent Relay Outputs
Provides 24 relay output channels for remote switching, automation control, equipment management and alarm systems.② Modbus RTU & Modbus TCP Communication
Supports RS485 and Ethernet communication interfaces, allowing seamless integration with PLCs, industrial PCs, SCADA platforms and IoT gateways.
③ Industrial-Grade Isolation Design
Features 1500V communication isolation, optical isolation, lightning protection and anti-interference circuitry for harsh industrial environments.
④ Flexible Relay Operating Modes
Supports normal switching, pulse output, flashing output, latching control, interlock control and timer-based automatic release functions.
Function
1.Multiple Relay Output Modes
The controller supports advanced relay operating modes:Standard ON/OFF Switching
0.5Hz Flashing Output
1 Second Pulse Output
Interlock Mode
Latching Mode
Timer-Based Auto Release
Scheduled Output Control
These functions simplify industrial automation programming and reduce PLC workload.
Communication interfaces available:
RS485 Modbus RTU
Ethernet Modbus TCP
Industrial Serial Networks
PLC Communication Systems
Compatible with:
Siemens PLC
Schneider PLC
Mitsubishi PLC
Delta PLC
Omron PLC
Allen-Bradley PLC
Ignition SCADA
KingView SCADA
Wonderware
Industrial IoT Gateways
Designed for industrial environments with:
1500V Communication Isolation
AC4000V Relay Isolation
10kV Surge Protection
Optical Isolation Design
Anti-EMI Protection
Industrial Temperature Range
Ensuring long-term stability in factory automation and power control systems.
| Parameter | Specification |
|---|---|
| Relay Outputs | 24 Channels |
| Relay Contact Type | Normally Open (NO) |
| Maximum Switching Voltage | AC250V / DC30V |
| Rated Switching Current | 5A |
| Relay Isolation Voltage | AC4000V |
| Impulse Withstand Voltage | 10kV |
| Mechanical Life | >5 Million Operations |
| Electrical Life | >100,000 Operations @ AC250V 5A |
| Communication Interface | RS485 / Ethernet RJ45 |
| Communication Protocol | Modbus RTU / Modbus TCP |
| RS485 Distance | Up to 1200m |
| Baud Rate | 9600~115200bps |
| Communication Isolation | 1500V |
| Power Supply | 12VDC or 24VDC |
| Power Consumption | <14W |
| Operating Temperature | -40°C to +70°C |
| Installation Method | DIN Rail / Screw Mounting |
| Dimensions | 179 × 116 × 48 mm |
Product Model
| Model | Relay Outputs | Communication | Power Supply |
|---|---|---|---|
| ZH-YX0024-14 | 24 Relay Outputs | RS485 | 24VDC |
| ZH-YX0024-12 | 24 Relay Outputs | RS485 | 12VDC |
| ZH-YX0024-34 | 24 Relay Outputs | Ethernet + RS485 | 24VDC |
| ZH-YX0024-32 | 24 Relay Outputs | Ethernet + RS485 | 12VDC |
Applications
1.PLC Output Expansion2.Expand relay control points for industrial PLC systems.
3.Smart Factory Automation
4.Control conveyors, motors, actuators and industrial machinery.
5.Building Management Systems
6.Lighting control, HVAC control and energy management.
7.Water & Wastewater Treatment
8.Pump control, valve control and alarm management.
9.Power Distribution Systems
10.Remote breaker control and equipment switching.
11.Security & Alarm Systems
12.Remote alarm triggering and event control.
FAQ
Q1: How many relay outputs does the module provide?
The module provides 24 independent relay output channels.
Q2: What communication protocols are supported?
The module supports Modbus RTU and Modbus TCP protocols.
Q3: What is the relay contact rating?
Each relay supports up to AC250V or DC30V with a rated current of 5A.
Q4: Does it support Ethernet communication?
Yes. Ethernet versions support RJ45 communication with Modbus TCP protocol.
Q5: Can the relay automatically turn off after a delay?
Yes. The module supports timer-based automatic release functions with configurable delay settings.
