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DIO-8/8(FIT)
Ethernet isolated 8/8 DIO Module
210,00 EUR
including VAT 249.90 EUR
- Optically Isolated I/O: Eight photocoupler‑isolated inputs and eight photocoupler‑isolated open‑collector outputs ensure electrical isolation between field devices and control electronics, improving noise immunity and safety.
- Wide Voltage Range: Supports 12 V DC to 24 V DC (±15%) for both input and output circuits, accommodating a variety of industrial sensors and actuators.
- Compact DIN‑Rail Design: 25.2 mm (W) × 64.7 mm (D) × 94.0 mm (H) form factor allows dense installation in control panels.
- High Reliability: Designed for industrial environments with resistance to line noise (IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3) and operation from 0 °C to 50 °C.
- Stackable F&eIT Bus Architecture: Modules can be stacked side‑by‑side with other F&eIT device modules without a backplane, simplifying system expansion.
- Interrupt Capability: All input channels can generate interrupts (IRQ 5/7/9 selectable), enabling event‑driven control.
- Fast Response: Typical input and output response time ≤ 1 ms.
- DIN‑Rail One‑Touch Mounting: Integrated 35 mm DIN‑rail clip allows quick installation and removal.
- Screw‑less Connectors: Phoenix Contact plug‑in terminals simplify wiring and maintenance.
- Compact and Lightweight: Only 100 g, ideal for distributed or embedded control systems.
- Compatibility: Fully compatible with CONTEC microcontrollers (CPU‑SBxx(FIT)GY), I/O controllers (CPU‑CAxx(FIT)GY), and server units (SVR‑IOA, SVR‑MMF).
- Wide Voltage Range: Supports 12 V DC to 24 V DC (±15%) for both input and output circuits, accommodating a variety of industrial sensors and actuators.
- Compact DIN‑Rail Design: 25.2 mm (W) × 64.7 mm (D) × 94.0 mm (H) form factor allows dense installation in control panels.
- High Reliability: Designed for industrial environments with resistance to line noise (IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3) and operation from 0 °C to 50 °C.
- Stackable F&eIT Bus Architecture: Modules can be stacked side‑by‑side with other F&eIT device modules without a backplane, simplifying system expansion.
- Interrupt Capability: All input channels can generate interrupts (IRQ 5/7/9 selectable), enabling event‑driven control.
- Fast Response: Typical input and output response time ≤ 1 ms.
- DIN‑Rail One‑Touch Mounting: Integrated 35 mm DIN‑rail clip allows quick installation and removal.
- Screw‑less Connectors: Phoenix Contact plug‑in terminals simplify wiring and maintenance.
- Compact and Lightweight: Only 100 g, ideal for distributed or embedded control systems.
- Compatibility: Fully compatible with CONTEC microcontrollers (CPU‑SBxx(FIT)GY), I/O controllers (CPU‑CAxx(FIT)GY), and server units (SVR‑IOA, SVR‑MMF).
1. Product Overview
Product Name: Ethernet Isolated 8/8 Digital I/O Module
Model: DIO‑8/8(FIT)GY
Series: F&eIT Series (Factory and Enterprise IT)
Article Number: DIO‑8/8(FIT)
Manufacturer: CONTEC CO., LTD., Osaka, Japan
The CONTEC DIO‑8/8(FIT)GY is an Ethernet‑based, optically isolated digital input/output module designed for distributed industrial automation and remote I/O systems. It provides eight isolated digital input channels and eight isolated open‑collector output channels, supporting 12–24 V DC operation. The module is part of CONTEC’s F&eIT (Factory and Enterprise IT) architecture, which integrates field‑level devices with enterprise networks through Ethernet connectivity. It is DIN‑rail mountable, compact, and designed for use in harsh industrial environments requiring reliable, noise‑resistant digital signal interfacing.
2. Key Features
- Optically Isolated I/O: Eight photocoupler‑isolated inputs and eight photocoupler‑isolated open‑collector outputs ensure electrical isolation between field devices and control electronics, improving noise immunity and safety.
- Wide Voltage Range: Supports 12 V DC to 24 V DC (±15%) for both input and output circuits, accommodating a variety of industrial sensors and actuators.
- Compact DIN‑Rail Design: 25.2 mm (W) × 64.7 mm (D) × 94.0 mm (H) form factor allows dense installation in control panels.
- High Reliability: Designed for industrial environments with resistance to line noise (IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3) and operation from 0 °C to 50 °C.
- Stackable F&eIT Bus Architecture: Modules can be stacked side‑by‑side with other F&eIT device modules without a backplane, simplifying system expansion.
- Interrupt Capability: All input channels can generate interrupts (IRQ 5/7/9 selectable), enabling event‑driven control.
- Fast Response: Typical input and output response time ≤ 1 ms.
- DIN‑Rail One‑Touch Mounting: Integrated 35 mm DIN‑rail clip allows quick installation and removal.
- Screw‑less Connectors: Phoenix Contact plug‑in terminals simplify wiring and maintenance.
- Compact and Lightweight: Only 100 g, ideal for distributed or embedded control systems.
- Compatibility: Fully compatible with CONTEC microcontrollers (CPU‑SBxx(FIT)GY), I/O controllers (CPU‑CAxx(FIT)GY), and server units (SVR‑IOA, SVR‑MMF).
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Channels | 8 points (shared common) |
| Input Type | Photocoupler‑isolated, supports current sink and source |
| Input Resistance | 3 kΩ |
| Input ON Current | ≥ 3.4 mA |
| Input OFF Current | ≤ 0.16 mA |
| Input Response Time | ≤ 1 ms |
| Input Voltage Range | 12 – 24 V DC (±15%) |
| Output Channels | 8 points (shared common) |
| Output Type | Photocoupler‑isolated open collector (current sink) |
| Output Voltage Range | 12 – 24 V DC (±15%) |
| Output Current | Max 150 mA per point |
| Output Response Time | ≤ 1 ms |
| Isolation Method | Photocoupler isolation between I/O and logic |
| Internal Power Consumption | 5 V DC (±5%) 150 mA (max.) |
| External Circuit Power Supply | 12 – 24 V DC (±15%) |
| Maximum Signal Cable Length | Approx. 50 m (depending on wiring environment) |
| Dimensions | 25.2 (W) × 64.7 (D) × 94.0 (H) mm (excluding protrusions) |
| Weight | 100 g |
| Connector Type | Screw‑less plug (Phoenix Contact FK‑MC 0.5/9‑ST‑2.5) |
| Applicable Wire Size | AWG 28 – 20 |
| Operating Temperature | 0 °C – 50 °C |
| Storage Temperature | –10 °C – 60 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Noise Immunity | AC line 2 kV, signal line 1 kV (IEC 1000‑4‑4 Level 3) |
| Grounding | D‑type (former Class 3) |
| Mounting | 35 mm DIN rail |
| Material | Industrial‑grade plastic enclosure |
| Color | Gray (GY) |
4. Functionality
The DIO‑8/8(FIT)GY functions as a distributed digital I/O interface module within CONTEC’s F&eIT Ethernet‑based control architecture. It converts field‑level digital signals into Ethernet‑accessible data for monitoring and control by host systems such as microcontrollers, I/O controllers, or monitoring servers.
Operation Principle:
- Inputs: Field sensors or switches provide 12–24 V DC signals to opto‑isolated input channels. The photocoupler converts these signals into logic‑level data for the controller.
- Outputs: The controller drives open‑collector transistors to switch external loads such as relays, lamps, or solenoids.
- Isolation: Optical isolation prevents ground loops and protects against voltage surges.
- Interrupts: Each input can trigger an interrupt to the host controller for real‑time event handling.
Use Cases:
- Factory automation and process control
- Machine status monitoring
- Remote I/O expansion for PLCs or embedded PCs
- Distributed control in Ethernet‑based systems
- Integration with CONTEC’s web‑based monitoring servers for remote supervision
Compatibility:
- Fully compatible with CONTEC F&eIT controllers (CPU‑CAxx, CPU‑SBxx)
- Supported by CONTEC’s API‑SBP(W32) and API‑CAP(W32) driver libraries
- Integrates with I/O Assist Server (SVR‑IOA) and Monitoring & Control Server (SVR‑MMF) for browser‑based control
5. Components & Accessories
Included:
- DIO‑8/8(FIT)GY main module
- Screw‑less terminal plug (Phoenix Contact FK‑MC 0.5/9‑ST‑2.5)
- DIN‑rail mounting clip (integrated)
- User documentation (via CONTEC website)
Optional Accessories:
- Power Supplies:
- POW‑AD13GY (AC 85–132 V → 5 V DC 3 A)
- POW‑AD22GY (AC 85–264 V → 5 V DC 2 A)
- POW‑AD25GY (AC 85–264 V → 5 V DC 4.6 A)
- POW‑DD10GY (DC 10–30 V → 5 V DC 3 A)
- POW‑DD43GY (DC 30–50 V → 5 V DC 3 A)
- Cooling Fan: FAN‑FIT (DC 5 V, 0.18 A, 5200 rpm)
- Expansion Modules: Up to 8 modules total per controller (≤ 3 A total current)
- Cables and Connectors: Phoenix Contact compatible plugs, AWG 28–20 wiring
6. Installation & Setup
Mounting:
- Mount directly onto a standard 35 mm DIN rail using the integrated one‑touch clip.
- Ensure ventilation slots are unobstructed.
- Modules can be stacked horizontally using the F&eIT bus connector with safety lock.
Electrical Setup:
- Connect external 12–24 V DC power for I/O circuits.
- Connect signal wiring via screw‑less terminal plugs.
- Ground the FG terminal to reduce noise susceptibility.
Configuration:
- When used with a controller, the module is automatically recognized via the F&eIT bus.
- No local configuration required; parameters are managed by the host controller or software API.
Safety Notes:
- Avoid corrosive gases and excessive dust.
- Do not connect or disconnect modules while powered.
- Observe polarity and voltage limits to prevent damage.
7. Performance & Capabilities
- Response Time: ≤ 1 ms for both input and output transitions.
- Load Capacity: 150 mA per output @ 12–24 V DC.
- Signal Integrity: Opto‑isolation ensures high noise immunity and reliable operation in electrically noisy environments.
- Scalability: Up to 8 modules can be stacked per controller, limited by 3 A total current draw.
- Reliability: Designed for continuous 24/7 operation in industrial conditions.
- Maintenance: Screw‑less connectors and front‑access terminals simplify service.
Limitations:
- Not suitable for AC signal interfacing.
- Total current draw from the stack connector must not exceed 3 A.
- Requires compatible F&eIT controller or server for Ethernet communication.
8. Standards & Compliance
- Electrical Safety: Designed to meet IEC 61010‑1 industrial control equipment standards.
- EMC Immunity: IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3 (AC line 2 kV, signal line 1 kV).
- Grounding: D‑type (former Class 3) industrial grounding.
- Environmental: RoHS‑compliant, lead‑free design.
- Certifications: CE Mark, FCC Class A (industrial use).
- Operating Environment: 0 – 50 °C, 10 – 90 % RH (non‑condensing).
9. Additional Information
Warranty:
One‑year limited warranty from date of purchase covering defects in materials and workmanship. Free repair or replacement under CONTEC’s warranty policy when returned with proof of purchase and RMA authorization.
Support & Maintenance:
- Technical documentation, drivers, and firmware updates available at [www.contec.com](http://www.contec.com).
- Free downloadable Windows driver libraries (API‑SBP(W32), API‑CAP(W32)) and Linux I/O drivers (IO‑LIB(LNX)).
- Diagnostic utilities and sample programs provided for Visual C++, Visual Basic, Delphi, and C#.
Firmware & Software Updates:
Firmware upgrades can be applied via the host controller using CONTEC’s update tools. Latest versions are available online.
Service & Replacement:
Return defective units freight‑prepaid with RMA number. CONTEC provides global support through offices in Japan, USA, Europe, Korea, China, and Taiwan.
Maintenance Recommendations:
- Periodically inspect connectors and ventilation openings.
- Ensure grounding integrity and clean environment.
- Replace modules showing signs of physical damage or excessive wear.
### Summary
The CONTEC DIO‑8/8(FIT)GY is a robust, Ethernet‑integrated, optically isolated digital I/O module engineered for industrial automation and distributed control networks. With eight inputs and eight outputs, 12–24 V DC operation, and 1 ms response time, it provides reliable digital interfacing for sensors and actuators in harsh environments. Its compact DIN‑rail form factor, screw‑less connectors, and stackable F&eIT bus design enable flexible system expansion without backplanes. Fully compatible with CONTEC’s microcontrollers and I/O servers, the DIO‑8/8(FIT)GY supports seamless integration into Ethernet‑based monitoring and control systems, ensuring high reliability, scalability, and ease of maintenance for modern industrial applications.
Product Name: Ethernet Isolated 8/8 Digital I/O Module
Model: DIO‑8/8(FIT)GY
Series: F&eIT Series (Factory and Enterprise IT)
Article Number: DIO‑8/8(FIT)
Manufacturer: CONTEC CO., LTD., Osaka, Japan
The CONTEC DIO‑8/8(FIT)GY is an Ethernet‑based, optically isolated digital input/output module designed for distributed industrial automation and remote I/O systems. It provides eight isolated digital input channels and eight isolated open‑collector output channels, supporting 12–24 V DC operation. The module is part of CONTEC’s F&eIT (Factory and Enterprise IT) architecture, which integrates field‑level devices with enterprise networks through Ethernet connectivity. It is DIN‑rail mountable, compact, and designed for use in harsh industrial environments requiring reliable, noise‑resistant digital signal interfacing.
2. Key Features
- Optically Isolated I/O: Eight photocoupler‑isolated inputs and eight photocoupler‑isolated open‑collector outputs ensure electrical isolation between field devices and control electronics, improving noise immunity and safety.
- Wide Voltage Range: Supports 12 V DC to 24 V DC (±15%) for both input and output circuits, accommodating a variety of industrial sensors and actuators.
- Compact DIN‑Rail Design: 25.2 mm (W) × 64.7 mm (D) × 94.0 mm (H) form factor allows dense installation in control panels.
- High Reliability: Designed for industrial environments with resistance to line noise (IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3) and operation from 0 °C to 50 °C.
- Stackable F&eIT Bus Architecture: Modules can be stacked side‑by‑side with other F&eIT device modules without a backplane, simplifying system expansion.
- Interrupt Capability: All input channels can generate interrupts (IRQ 5/7/9 selectable), enabling event‑driven control.
- Fast Response: Typical input and output response time ≤ 1 ms.
- DIN‑Rail One‑Touch Mounting: Integrated 35 mm DIN‑rail clip allows quick installation and removal.
- Screw‑less Connectors: Phoenix Contact plug‑in terminals simplify wiring and maintenance.
- Compact and Lightweight: Only 100 g, ideal for distributed or embedded control systems.
- Compatibility: Fully compatible with CONTEC microcontrollers (CPU‑SBxx(FIT)GY), I/O controllers (CPU‑CAxx(FIT)GY), and server units (SVR‑IOA, SVR‑MMF).
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Channels | 8 points (shared common) |
| Input Type | Photocoupler‑isolated, supports current sink and source |
| Input Resistance | 3 kΩ |
| Input ON Current | ≥ 3.4 mA |
| Input OFF Current | ≤ 0.16 mA |
| Input Response Time | ≤ 1 ms |
| Input Voltage Range | 12 – 24 V DC (±15%) |
| Output Channels | 8 points (shared common) |
| Output Type | Photocoupler‑isolated open collector (current sink) |
| Output Voltage Range | 12 – 24 V DC (±15%) |
| Output Current | Max 150 mA per point |
| Output Response Time | ≤ 1 ms |
| Isolation Method | Photocoupler isolation between I/O and logic |
| Internal Power Consumption | 5 V DC (±5%) 150 mA (max.) |
| External Circuit Power Supply | 12 – 24 V DC (±15%) |
| Maximum Signal Cable Length | Approx. 50 m (depending on wiring environment) |
| Dimensions | 25.2 (W) × 64.7 (D) × 94.0 (H) mm (excluding protrusions) |
| Weight | 100 g |
| Connector Type | Screw‑less plug (Phoenix Contact FK‑MC 0.5/9‑ST‑2.5) |
| Applicable Wire Size | AWG 28 – 20 |
| Operating Temperature | 0 °C – 50 °C |
| Storage Temperature | –10 °C – 60 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Noise Immunity | AC line 2 kV, signal line 1 kV (IEC 1000‑4‑4 Level 3) |
| Grounding | D‑type (former Class 3) |
| Mounting | 35 mm DIN rail |
| Material | Industrial‑grade plastic enclosure |
| Color | Gray (GY) |
4. Functionality
The DIO‑8/8(FIT)GY functions as a distributed digital I/O interface module within CONTEC’s F&eIT Ethernet‑based control architecture. It converts field‑level digital signals into Ethernet‑accessible data for monitoring and control by host systems such as microcontrollers, I/O controllers, or monitoring servers.
Operation Principle:
- Inputs: Field sensors or switches provide 12–24 V DC signals to opto‑isolated input channels. The photocoupler converts these signals into logic‑level data for the controller.
- Outputs: The controller drives open‑collector transistors to switch external loads such as relays, lamps, or solenoids.
- Isolation: Optical isolation prevents ground loops and protects against voltage surges.
- Interrupts: Each input can trigger an interrupt to the host controller for real‑time event handling.
Use Cases:
- Factory automation and process control
- Machine status monitoring
- Remote I/O expansion for PLCs or embedded PCs
- Distributed control in Ethernet‑based systems
- Integration with CONTEC’s web‑based monitoring servers for remote supervision
Compatibility:
- Fully compatible with CONTEC F&eIT controllers (CPU‑CAxx, CPU‑SBxx)
- Supported by CONTEC’s API‑SBP(W32) and API‑CAP(W32) driver libraries
- Integrates with I/O Assist Server (SVR‑IOA) and Monitoring & Control Server (SVR‑MMF) for browser‑based control
5. Components & Accessories
Included:
- DIO‑8/8(FIT)GY main module
- Screw‑less terminal plug (Phoenix Contact FK‑MC 0.5/9‑ST‑2.5)
- DIN‑rail mounting clip (integrated)
- User documentation (via CONTEC website)
Optional Accessories:
- Power Supplies:
- POW‑AD13GY (AC 85–132 V → 5 V DC 3 A)
- POW‑AD22GY (AC 85–264 V → 5 V DC 2 A)
- POW‑AD25GY (AC 85–264 V → 5 V DC 4.6 A)
- POW‑DD10GY (DC 10–30 V → 5 V DC 3 A)
- POW‑DD43GY (DC 30–50 V → 5 V DC 3 A)
- Cooling Fan: FAN‑FIT (DC 5 V, 0.18 A, 5200 rpm)
- Expansion Modules: Up to 8 modules total per controller (≤ 3 A total current)
- Cables and Connectors: Phoenix Contact compatible plugs, AWG 28–20 wiring
6. Installation & Setup
Mounting:
- Mount directly onto a standard 35 mm DIN rail using the integrated one‑touch clip.
- Ensure ventilation slots are unobstructed.
- Modules can be stacked horizontally using the F&eIT bus connector with safety lock.
Electrical Setup:
- Connect external 12–24 V DC power for I/O circuits.
- Connect signal wiring via screw‑less terminal plugs.
- Ground the FG terminal to reduce noise susceptibility.
Configuration:
- When used with a controller, the module is automatically recognized via the F&eIT bus.
- No local configuration required; parameters are managed by the host controller or software API.
Safety Notes:
- Avoid corrosive gases and excessive dust.
- Do not connect or disconnect modules while powered.
- Observe polarity and voltage limits to prevent damage.
7. Performance & Capabilities
- Response Time: ≤ 1 ms for both input and output transitions.
- Load Capacity: 150 mA per output @ 12–24 V DC.
- Signal Integrity: Opto‑isolation ensures high noise immunity and reliable operation in electrically noisy environments.
- Scalability: Up to 8 modules can be stacked per controller, limited by 3 A total current draw.
- Reliability: Designed for continuous 24/7 operation in industrial conditions.
- Maintenance: Screw‑less connectors and front‑access terminals simplify service.
Limitations:
- Not suitable for AC signal interfacing.
- Total current draw from the stack connector must not exceed 3 A.
- Requires compatible F&eIT controller or server for Ethernet communication.
8. Standards & Compliance
- Electrical Safety: Designed to meet IEC 61010‑1 industrial control equipment standards.
- EMC Immunity: IEC 1000‑4‑4 Level 3 / EN 61000‑4‑4 Level 3 (AC line 2 kV, signal line 1 kV).
- Grounding: D‑type (former Class 3) industrial grounding.
- Environmental: RoHS‑compliant, lead‑free design.
- Certifications: CE Mark, FCC Class A (industrial use).
- Operating Environment: 0 – 50 °C, 10 – 90 % RH (non‑condensing).
9. Additional Information
Warranty:
One‑year limited warranty from date of purchase covering defects in materials and workmanship. Free repair or replacement under CONTEC’s warranty policy when returned with proof of purchase and RMA authorization.
Support & Maintenance:
- Technical documentation, drivers, and firmware updates available at [www.contec.com](http://www.contec.com).
- Free downloadable Windows driver libraries (API‑SBP(W32), API‑CAP(W32)) and Linux I/O drivers (IO‑LIB(LNX)).
- Diagnostic utilities and sample programs provided for Visual C++, Visual Basic, Delphi, and C#.
Firmware & Software Updates:
Firmware upgrades can be applied via the host controller using CONTEC’s update tools. Latest versions are available online.
Service & Replacement:
Return defective units freight‑prepaid with RMA number. CONTEC provides global support through offices in Japan, USA, Europe, Korea, China, and Taiwan.
Maintenance Recommendations:
- Periodically inspect connectors and ventilation openings.
- Ensure grounding integrity and clean environment.
- Replace modules showing signs of physical damage or excessive wear.
### Summary
The CONTEC DIO‑8/8(FIT)GY is a robust, Ethernet‑integrated, optically isolated digital I/O module engineered for industrial automation and distributed control networks. With eight inputs and eight outputs, 12–24 V DC operation, and 1 ms response time, it provides reliable digital interfacing for sensors and actuators in harsh environments. Its compact DIN‑rail form factor, screw‑less connectors, and stackable F&eIT bus design enable flexible system expansion without backplanes. Fully compatible with CONTEC’s microcontrollers and I/O servers, the DIO‑8/8(FIT)GY supports seamless integration into Ethernet‑based monitoring and control systems, ensuring high reliability, scalability, and ease of maintenance for modern industrial applications.
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