5 DI 4 Relay Output Module Modbus RTU TCP 16A Industrial Remote I/O Controller
Product No.: ZH-YT0504
High-Current Relay Outputs
Flexible Digital Inputs
Strong Isolation Protection
Easy Configuration
Product Overview
The ZH-YT0504 Series Industrial Remote I/O Module integrates 5 digital inputs (DI) and 4 high-current relay outputs (DO) into a compact DIN-rail-mounted device designed for industrial automation and remote monitoring applications.Powered by a high-performance 32-bit ARM processor, the module supports Modbus RTU and Modbus TCP communication protocols through RS485, RS232, and Ethernet interfaces. The device adopts industrial-grade isolation technology, including magnetic isolation and optocoupler isolation, ensuring stable and reliable operation in harsh industrial environments.
Equipped with Omron G2R 16A plug-in relays, the module allows direct switching of high-current loads while enabling quick relay replacement for simplified maintenance.
Key Features
1.5 Digital Input Channels for Real-Time Status Monitoring
2.4 High-Current Omron G2R Relay Outputs Rated Up to 16A
3.32-bit ARM Industrial Processor for Reliable and Stable Operation
4.Supports Dry Contact, Wet Contact, and High-Speed Pulse Inputs
5.Pulse Counting Frequency Up to 40kHz (Customizable for Higher Speeds)
6.RS485 Modbus RTU Communication for PLC and SCADA Integration
7.Optional Ethernet Modbus TCP, RS232, WiFi, and 4G Connectivity
8.Plug-in Relay Design for Easy Maintenance and Replacement
9.High-Speed Magnetic Isolation and Optocoupler Isolation Technology
10.1500VDC Isolation Between Power Supply and Communication Circuits
11.Built-in Surge Protection and Industrial EMC Design
12.Supports TCP Server, TCP Client, UDP Server, and UDP Client Modes
13.Up to 1200m RS485 Communication Distance
14.Supports Up to 32 Devices on Standard RS485 Networks
15.Configurable Communication Parameters and Relay Output Modes
16.Hardware DIP Switch Configuration and One-Key Factory Reset
17.LED Indicators for Power, Communication, Digital Inputs, and Relay Outputs
18.Wide Operating Temperature Range from -40°C to +80°C
19.35mm DIN Rail Mounting for Industrial Control Cabinets
20.Designed for Industrial Automation, Remote Monitoring, and Equipment Control Applications
Specification
| Item | Specification |
|---|---|
| Product Name | 5 Digital Inputs 4 Relay Outputs Industrial I/O Module |
| Processor | 32-bit ARM Industrial MCU |
| Digital Inputs | 5 Channels |
| Input Types | Dry Contact, Wet Contact, Pulse Input |
| Input Isolation | High-Speed Optocoupler Isolation |
| Dry Contact Withstand Voltage | ≥24VDC |
| Pulse Counter Frequency | 1Hz ~ 40kHz (Customizable) |
| Relay Outputs | 4 Channels |
| Relay Type | Plug-in Omron G2R Industrial Relay |
| Relay Contact Type | Normally Open (NO) |
| Rated Load | AC250V 16A / DC30V 16A |
| Maximum Switching Power | AC4000VA / DC480W |
| Relay Replacement | Hot-Swappable Plug-in Design |
| Communication Interface | RS485, RS232, Ethernet (Optional Combinations) |
| Communication Protocol | Modbus RTU / Modbus TCP / Custom Protocol |
| RS485 Distance | Up to 1200m |
| RS485 Nodes | 32 Devices Standard, Up to 256 Devices Custom |
| RS485 Protection | ±15kV ESD Protection |
| RS232 Distance | Up to 10m |
| RS232 Protection | ±15kV ESD Protection |
| Ethernet Interface | 10/100Mbps Auto MDI/MDIX |
| Ethernet Distance | Up to 100m |
| Ethernet Modes | TCP Server, TCP Client, UDP Server, UDP Client |
| Communication Isolation | 1500VDC |
| Power Supply | 12VDC (10~15V) or 24VDC (21~26V) |
| Power Consumption | <17W |
| Operating Temperature | -40°C ~ +80°C |
| Installation Method | 35mm DIN Rail Mounting |
| Status Indicators | Power, Communication, DI Status, Relay Status |
| Configuration Method | 8-bit DIP Switch + Software Configuration |
| Factory Reset | Hardware Reset Button Supported |
Product Models
| Model | Digital Inputs | Relay Outputs | Communication | Power Supply |
|---|---|---|---|---|
| ZH-YT0504-14 | 5 DI | 4 × 16A Relay Outputs | RS485 + RS232 Modbus RTU | 24VDC |
| ZH-YT0504-12 | 5 DI | 4 × 16A Relay Outputs | RS485 + RS232 Modbus RTU | 12VDC |
| ZH-YT0504-34 | 5 DI | 4 × 16A Relay Outputs | Ethernet + RS485 Modbus TCP/RTU | 24VDC |
| ZH-YT0504-32 | 5 DI | 4 × 16A Relay Outputs | Ethernet + RS485 Modbus TCP/RTU | 12VDC |
Applications：
1.PLC Remote I/O Expansion Systems
2.Industrial Equipment Monitoring and Control
3.Factory Automation and Smart Manufacturing
4.SCADA and DCS Control Systems
5.Remote Relay Switching Applications
6.Motor Start/Stop Control Systems
7.Pump and Valve Control Systems
8.Industrial Alarm and Notification Systems
9.Building Automation and HVAC Control
10.Water Treatment and Wastewater Control Systems
11.Power Distribution and Energy Management Systems
12.Production Line Automation Equipment
13.Material Handling and Conveyor Control Systems
14.Generator and Power Equipment Monitoring
15.Security and Access Control Systems
16.Environmental Monitoring and Remote Stations
17.Smart Agriculture Automation Systems
18.Industrial Internet of Things (IIoT) Applications
19.Remote Data Acquisition and Control Systems
20.Machine and Process Automation Projects
FAQ
1.What communication protocols are supported?The module supports Modbus RTU via RS485/RS232 and Modbus TCP via Ethernet.
2.Can the digital inputs accept both dry and wet contacts?
Yes. The inputs support dry contacts, wet contacts, switches, sensors, and active signal inputs.
3.What is the maximum relay switching current?
Each relay supports up to 16A at AC250V or DC30V.
4.Can the relays be replaced?
Yes. Omron G2R relays use a plug-in design for quick replacement and maintenance.
5.Is Ethernet available?
Yes. Selected models support 10/100Mbps Ethernet with Modbus TCP communication.
6.Can it be mounted inside a control cabinet?
Yes. The module is designed for standard DIN rail installation.
7.Does it support long-distance communication?
Yes. RS485 communication supports transmission distances up to 1200 meters.
