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- 8 Isolated Digital Inputs and 8 Isolated Digital Outputs:
Provides a balanced configuration for monitoring and controlling external devices in industrial environments.
- High Isolation Voltage:
Each channel is isolated up to 2500 Vrms, protecting the host system from electrical surges, ground loops, and transient voltages.
- Wide Input Logic Range:
Accepts logic high levels from 5 to 24 VDC and logic low levels from 0 to 1.5 VDC, ensuring compatibility with a wide range of industrial sensors and control signals.
- Robust Output Drive Capability:
Each output channel supports up to 500 mA sink current at 24 VDC, suitable for driving relays, solenoids, and indicator lamps.
- Dual Operation Modes:
Supports Polling Mode for continuous monitoring and Change-of-State (COS) Mode for event-driven signal detection, optimizing performance for different control strategies.
- Industrial-Grade Design:
Built for rugged environments with high electrical noise immunity and long-term reliability.
- Standardized Connector Interface:
Utilizes a 68-pin SCSI-II female connector, simplifying integration with Neousys terminal boards and cabling accessories.
- Seamless Integration with POC-120 Series:
Specifically designed for the POC-120MZ and other POC-120 series embedded controllers, ensuring mechanical and electrical compatibility.
- Flexible Expansion Ecosystem:
Part of the MezIO™ family, which includes modules for serial communication, USB, Ethernet, power control, and storage expansion.
Provides a balanced configuration for monitoring and controlling external devices in industrial environments.
- High Isolation Voltage:
Each channel is isolated up to 2500 Vrms, protecting the host system from electrical surges, ground loops, and transient voltages.
- Wide Input Logic Range:
Accepts logic high levels from 5 to 24 VDC and logic low levels from 0 to 1.5 VDC, ensuring compatibility with a wide range of industrial sensors and control signals.
- Robust Output Drive Capability:
Each output channel supports up to 500 mA sink current at 24 VDC, suitable for driving relays, solenoids, and indicator lamps.
- Dual Operation Modes:
Supports Polling Mode for continuous monitoring and Change-of-State (COS) Mode for event-driven signal detection, optimizing performance for different control strategies.
- Industrial-Grade Design:
Built for rugged environments with high electrical noise immunity and long-term reliability.
- Standardized Connector Interface:
Utilizes a 68-pin SCSI-II female connector, simplifying integration with Neousys terminal boards and cabling accessories.
- Seamless Integration with POC-120 Series:
Specifically designed for the POC-120MZ and other POC-120 series embedded controllers, ensuring mechanical and electrical compatibility.
- Flexible Expansion Ecosystem:
Part of the MezIO™ family, which includes modules for serial communication, USB, Ethernet, power control, and storage expansion.
Comprehensive Product Summary: MezIO-D220-12 Isolated Digital I/O Module
### 1. Product Overview
Product Name: MezIO-D220-12
Model Number: MezIO-D220-12
Series: MezIO™ Modular Expansion Series
Article Number: MezIO-D220-12
Manufacturer: Neousys Technology, Inc.
Product Type: 8-Channel Isolated Digital Input and 8-Channel Isolated Digital Output MezIO™ Module
Compatibility: Designed specifically for the Neousys POC-120 series embedded controller systems
The MezIO-D220-12 is a compact, high-reliability digital I/O expansion module engineered for industrial automation, machine control, and embedded system integration. It belongs to Neousys Technology’s MezIO™ modular I/O platform, which provides flexible, interchangeable expansion options for the company’s embedded controllers. The D220-12 variant offers 8 isolated digital input channels and 8 isolated digital output channels, providing robust signal interfacing with external sensors, actuators, and control devices.
This module connects to the host system via a 68-pin SCSI-II connector, ensuring secure, high-density signal transmission. It supports both polling and change-of-state (COS) operation modes, allowing for efficient event-driven or continuous monitoring applications.
### 2. Key Features
- 8 Isolated Digital Inputs and 8 Isolated Digital Outputs:
Provides a balanced configuration for monitoring and controlling external devices in industrial environments.
- High Isolation Voltage:
Each channel is isolated up to 2500 Vrms, protecting the host system from electrical surges, ground loops, and transient voltages.
- Wide Input Logic Range:
Accepts logic high levels from 5 to 24 VDC and logic low levels from 0 to 1.5 VDC, ensuring compatibility with a wide range of industrial sensors and control signals.
- Robust Output Drive Capability:
Each output channel supports up to 500 mA sink current at 24 VDC, suitable for driving relays, solenoids, and indicator lamps.
- Dual Operation Modes:
Supports Polling Mode for continuous monitoring and Change-of-State (COS) Mode for event-driven signal detection, optimizing performance for different control strategies.
- Industrial-Grade Design:
Built for rugged environments with high electrical noise immunity and long-term reliability.
- Standardized Connector Interface:
Utilizes a 68-pin SCSI-II female connector, simplifying integration with Neousys terminal boards and cabling accessories.
- Seamless Integration with POC-120 Series:
Specifically designed for the POC-120MZ and other POC-120 series embedded controllers, ensuring mechanical and electrical compatibility.
- Flexible Expansion Ecosystem:
Part of the MezIO™ family, which includes modules for serial communication, USB, Ethernet, power control, and storage expansion.
### 3. Technical Specifications
General Specifications:
| Parameter | Specification |
|------------|----------------|
| Model | MezIO-D220-12 |
| Type | Isolated Digital I/O Module |
| Input Channels | 8 isolated digital inputs |
| Output Channels | 8 isolated digital outputs |
| Connector Type | 68-pin SCSI-II female connector |
| Isolation Voltage | 2500 Vrms (input and output) |
| Operation Modes | Polling, Change-of-State (COS) |
| Compatibility | POC-120 series embedded controllers |
Isolated Digital Input:
| Parameter | Specification |
|------------|----------------|
| Number of Channels | 8 |
| Logic High Level | 5 to 24 VDC |
| Logic Low Level | 0 to 1.5 VDC |
| Isolation Voltage | 2500 Vrms |
| Operation Modes | Polling, COS |
Isolated Digital Output:
| Parameter | Specification |
|------------|----------------|
| Number of Channels | 8 |
| Operation Voltage | Up to 24 VDC |
| Sink Current | 500 mA per channel (100% duty cycle) |
| Isolation Voltage | 2500 Vrms |
| Operation Modes | Polling, COS |
Physical Characteristics:
| Parameter | Specification |
|------------|----------------|
| Form Factor | MezIO™ modular interface |
| Connector Interface | 68-pin SCSI-II |
| Dimensions | Compact module form factor (optimized for POC-120 chassis) |
| Weight | Lightweight, designed for embedded integration |
| Material | Industrial-grade PCB with protective coating |
### 4. Functionality
The MezIO-D220-12 functions as an isolated digital I/O interface module that expands the digital control capabilities of Neousys POC-120 series embedded controllers. It provides electrical isolation between the host system and external devices, ensuring safe and reliable operation in electrically noisy or high-voltage environments.
How It Works:
- Digital Inputs: The module receives logic signals from external sensors, switches, or control circuits. Each input channel is optically isolated to prevent voltage spikes or ground potential differences from affecting the host system.
- Digital Outputs: The module drives external actuators or indicators by sinking current through open-collector transistor outputs. Each output channel can handle up to 500 mA at 24 VDC, suitable for direct control of industrial devices.
- Operation Modes:
- *Polling Mode:* The host system periodically reads input states.
- *Change-of-State Mode:* The module generates an interrupt or event when an input changes state, reducing CPU load and improving responsiveness.
Use Cases and Applications:
- Industrial automation and process control
- Machine status monitoring and alarm systems
- Remote I/O expansion for embedded controllers
- Sensor and actuator interfacing in robotics
- Building automation and environmental monitoring
- Test and measurement systems requiring isolated signal acquisition
Compatibility:
- Fully compatible with Neousys POC-120 series, including POC-120MZ.
- Connects via the MezIO™ interface, ensuring plug-and-play integration without additional wiring complexity.
### 5. Components & Accessories
Included Components:
- MezIO-D220-12 module unit
- 68-pin SCSI-II female connector interface
- Mounting hardware (integrated with POC-120 chassis)
- Documentation and installation guide
Optional Accessories:
- Cbl-S68M-S68M-100CM: 100 cm SCSI-68(M) to SCSI-68(M) cable for remote connection or extended installation flexibility.
- TB-10 Terminal Board: Terminal board with 68-pin SCSI-II female connector and 68-pole terminal block, simplifying field wiring and signal distribution.
These accessories facilitate easy connection between the MezIO module and external devices, enabling quick deployment in industrial environments.
### 6. Installation & Setup
Requirements:
- Compatible host system: Neousys POC-120 series (e.g., POC-120MZ)
- Available MezIO™ expansion slot
- Proper grounding and shielding for industrial environments
Installation Steps:
1. Power Down the Host System: Ensure the POC-120 system is powered off before installation.
2. Attach the Module: Align the MezIO-D220-12 with the designated MezIO slot on the POC-120 chassis.
3. Secure the Connection: Fasten the module using the provided screws or mounting brackets.
4. Connect External Devices: Use the 68-pin SCSI-II connector or optional TB-10 terminal board to connect sensors, switches, or actuators.
5. Power On and Configure: Boot the system and configure the digital I/O channels through the Neousys software interface or supported OS drivers.
Configuration:
- The module supports both polling and change-of-state modes, configurable via software.
- Input and output channels can be mapped to specific control functions within the host system’s application software.
Mounting Options:
- Direct integration within the POC-120 chassis
- Optional external mounting using the TB-10 terminal board for field wiring
### 7. Performance & Capabilities
Speed and Responsiveness:
- Fast digital signal acquisition and output switching suitable for real-time control applications.
- COS mode enables event-driven processing, minimizing latency and CPU utilization.
Capacity:
- 8 input and 8 output channels provide balanced I/O capacity for compact embedded systems.
Efficiency:
- Optically isolated channels ensure minimal signal interference and high noise immunity.
- Low power consumption design optimized for embedded operation.
Limitations:
- Designed for 24 VDC logic systems; not suitable for AC signal interfacing without external conditioning.
- Maximum sink current per output channel is 500 mA; higher loads require external relays or drivers.
Reliability:
- Industrial-grade isolation and robust design ensure long-term operation in harsh environments.
- 2500 Vrms isolation protects both the module and host system from electrical faults.
### 8. Standards & Compliance
Electrical and Safety Standards:
- Isolation voltage tested to 2500 Vrms, meeting industrial safety requirements.
- Designed for compliance with CE and FCC standards for electromagnetic compatibility (EMC).
Industry Standards:
- SCSI-II Connector Standard: Ensures compatibility with standard industrial cabling and terminal boards.
- MezIO™ Modular Interface Standard: Proprietary Neousys interface ensuring mechanical and electrical consistency across modules.
Environmental Compliance:
- RoHS compliant (Restriction of Hazardous Substances)
- Designed for industrial temperature and vibration tolerance (as per POC-120 system specifications)
### 9. Additional Information
Warranty:
- Standard Neousys limited warranty (typically 2 years, depending on region and distributor).
- Covers manufacturing defects and hardware failures under normal operating conditions.
Support:
- Technical support available through Neousys Technology’s global service network.
- Comprehensive documentation, including installation guides, pinout diagrams, and software integration manuals.
Maintenance:
- No regular maintenance required beyond standard system cleaning and inspection.
- Periodic verification of connector integrity and cable condition recommended for long-term reliability.
Firmware and Software Updates:
- Compatible with Neousys system firmware updates.
- Supported by standard operating systems used with POC-120 series (Windows and Linux).
Ordering Information:
| Model Number | Description |
|---------------|-------------|
| MezIO-D220-12 | 8-CH isolated DI and 8-CH isolated DO MezIO™ module for POC-120 series |
| MezIO-D220-50 | 8-CH isolated DI and 8-CH isolated DO MezIO™ module for Nuvo-7000/5000/POC-500/POC-300 series |
| Cbl-S68M-S68M-100CM | SCSI-68(M) to SCSI-68(M) cable, 100 cm |
| TB-10 | Terminal board with 68-pin SCSI-II female connector and 68-pole terminal block |
Manufacturer Contact:
Neousys Technology, Inc.
Website: [www.neousys-tech.com](https://www.neousys-tech.com)
All specifications and photos are subject to change without prior notice.
### Summary
The Neousys MezIO-D220-12 is a high-performance, isolated digital I/O expansion module designed for the POC-120 series embedded controllers. With 8 isolated digital inputs and 8 isolated digital outputs, it provides a reliable interface for industrial control and monitoring applications. Its 2500 Vrms isolation, 24 VDC operation, and 500 mA per-channel output capacity make it ideal for demanding environments where electrical protection and signal integrity are critical.
Supporting both polling and change-of-state modes, the MezIO-D220-12 offers flexibility for real-time or event-driven control systems. Its standardized 68-pin SCSI-II connector ensures easy integration with Neousys accessories such as the TB-10 terminal board and Cbl-S68M-S68M-100CM cable.
As part of the MezIO™ modular ecosystem, the D220-12 exemplifies Neousys Technology’s commitment to scalable, rugged, and versatile industrial computing solutions.
### 1. Product Overview
Product Name: MezIO-D220-12
Model Number: MezIO-D220-12
Series: MezIO™ Modular Expansion Series
Article Number: MezIO-D220-12
Manufacturer: Neousys Technology, Inc.
Product Type: 8-Channel Isolated Digital Input and 8-Channel Isolated Digital Output MezIO™ Module
Compatibility: Designed specifically for the Neousys POC-120 series embedded controller systems
The MezIO-D220-12 is a compact, high-reliability digital I/O expansion module engineered for industrial automation, machine control, and embedded system integration. It belongs to Neousys Technology’s MezIO™ modular I/O platform, which provides flexible, interchangeable expansion options for the company’s embedded controllers. The D220-12 variant offers 8 isolated digital input channels and 8 isolated digital output channels, providing robust signal interfacing with external sensors, actuators, and control devices.
This module connects to the host system via a 68-pin SCSI-II connector, ensuring secure, high-density signal transmission. It supports both polling and change-of-state (COS) operation modes, allowing for efficient event-driven or continuous monitoring applications.
### 2. Key Features
- 8 Isolated Digital Inputs and 8 Isolated Digital Outputs:
Provides a balanced configuration for monitoring and controlling external devices in industrial environments.
- High Isolation Voltage:
Each channel is isolated up to 2500 Vrms, protecting the host system from electrical surges, ground loops, and transient voltages.
- Wide Input Logic Range:
Accepts logic high levels from 5 to 24 VDC and logic low levels from 0 to 1.5 VDC, ensuring compatibility with a wide range of industrial sensors and control signals.
- Robust Output Drive Capability:
Each output channel supports up to 500 mA sink current at 24 VDC, suitable for driving relays, solenoids, and indicator lamps.
- Dual Operation Modes:
Supports Polling Mode for continuous monitoring and Change-of-State (COS) Mode for event-driven signal detection, optimizing performance for different control strategies.
- Industrial-Grade Design:
Built for rugged environments with high electrical noise immunity and long-term reliability.
- Standardized Connector Interface:
Utilizes a 68-pin SCSI-II female connector, simplifying integration with Neousys terminal boards and cabling accessories.
- Seamless Integration with POC-120 Series:
Specifically designed for the POC-120MZ and other POC-120 series embedded controllers, ensuring mechanical and electrical compatibility.
- Flexible Expansion Ecosystem:
Part of the MezIO™ family, which includes modules for serial communication, USB, Ethernet, power control, and storage expansion.
### 3. Technical Specifications
General Specifications:
| Parameter | Specification |
|------------|----------------|
| Model | MezIO-D220-12 |
| Type | Isolated Digital I/O Module |
| Input Channels | 8 isolated digital inputs |
| Output Channels | 8 isolated digital outputs |
| Connector Type | 68-pin SCSI-II female connector |
| Isolation Voltage | 2500 Vrms (input and output) |
| Operation Modes | Polling, Change-of-State (COS) |
| Compatibility | POC-120 series embedded controllers |
Isolated Digital Input:
| Parameter | Specification |
|------------|----------------|
| Number of Channels | 8 |
| Logic High Level | 5 to 24 VDC |
| Logic Low Level | 0 to 1.5 VDC |
| Isolation Voltage | 2500 Vrms |
| Operation Modes | Polling, COS |
Isolated Digital Output:
| Parameter | Specification |
|------------|----------------|
| Number of Channels | 8 |
| Operation Voltage | Up to 24 VDC |
| Sink Current | 500 mA per channel (100% duty cycle) |
| Isolation Voltage | 2500 Vrms |
| Operation Modes | Polling, COS |
Physical Characteristics:
| Parameter | Specification |
|------------|----------------|
| Form Factor | MezIO™ modular interface |
| Connector Interface | 68-pin SCSI-II |
| Dimensions | Compact module form factor (optimized for POC-120 chassis) |
| Weight | Lightweight, designed for embedded integration |
| Material | Industrial-grade PCB with protective coating |
### 4. Functionality
The MezIO-D220-12 functions as an isolated digital I/O interface module that expands the digital control capabilities of Neousys POC-120 series embedded controllers. It provides electrical isolation between the host system and external devices, ensuring safe and reliable operation in electrically noisy or high-voltage environments.
How It Works:
- Digital Inputs: The module receives logic signals from external sensors, switches, or control circuits. Each input channel is optically isolated to prevent voltage spikes or ground potential differences from affecting the host system.
- Digital Outputs: The module drives external actuators or indicators by sinking current through open-collector transistor outputs. Each output channel can handle up to 500 mA at 24 VDC, suitable for direct control of industrial devices.
- Operation Modes:
- *Polling Mode:* The host system periodically reads input states.
- *Change-of-State Mode:* The module generates an interrupt or event when an input changes state, reducing CPU load and improving responsiveness.
Use Cases and Applications:
- Industrial automation and process control
- Machine status monitoring and alarm systems
- Remote I/O expansion for embedded controllers
- Sensor and actuator interfacing in robotics
- Building automation and environmental monitoring
- Test and measurement systems requiring isolated signal acquisition
Compatibility:
- Fully compatible with Neousys POC-120 series, including POC-120MZ.
- Connects via the MezIO™ interface, ensuring plug-and-play integration without additional wiring complexity.
### 5. Components & Accessories
Included Components:
- MezIO-D220-12 module unit
- 68-pin SCSI-II female connector interface
- Mounting hardware (integrated with POC-120 chassis)
- Documentation and installation guide
Optional Accessories:
- Cbl-S68M-S68M-100CM: 100 cm SCSI-68(M) to SCSI-68(M) cable for remote connection or extended installation flexibility.
- TB-10 Terminal Board: Terminal board with 68-pin SCSI-II female connector and 68-pole terminal block, simplifying field wiring and signal distribution.
These accessories facilitate easy connection between the MezIO module and external devices, enabling quick deployment in industrial environments.
### 6. Installation & Setup
Requirements:
- Compatible host system: Neousys POC-120 series (e.g., POC-120MZ)
- Available MezIO™ expansion slot
- Proper grounding and shielding for industrial environments
Installation Steps:
1. Power Down the Host System: Ensure the POC-120 system is powered off before installation.
2. Attach the Module: Align the MezIO-D220-12 with the designated MezIO slot on the POC-120 chassis.
3. Secure the Connection: Fasten the module using the provided screws or mounting brackets.
4. Connect External Devices: Use the 68-pin SCSI-II connector or optional TB-10 terminal board to connect sensors, switches, or actuators.
5. Power On and Configure: Boot the system and configure the digital I/O channels through the Neousys software interface or supported OS drivers.
Configuration:
- The module supports both polling and change-of-state modes, configurable via software.
- Input and output channels can be mapped to specific control functions within the host system’s application software.
Mounting Options:
- Direct integration within the POC-120 chassis
- Optional external mounting using the TB-10 terminal board for field wiring
### 7. Performance & Capabilities
Speed and Responsiveness:
- Fast digital signal acquisition and output switching suitable for real-time control applications.
- COS mode enables event-driven processing, minimizing latency and CPU utilization.
Capacity:
- 8 input and 8 output channels provide balanced I/O capacity for compact embedded systems.
Efficiency:
- Optically isolated channels ensure minimal signal interference and high noise immunity.
- Low power consumption design optimized for embedded operation.
Limitations:
- Designed for 24 VDC logic systems; not suitable for AC signal interfacing without external conditioning.
- Maximum sink current per output channel is 500 mA; higher loads require external relays or drivers.
Reliability:
- Industrial-grade isolation and robust design ensure long-term operation in harsh environments.
- 2500 Vrms isolation protects both the module and host system from electrical faults.
### 8. Standards & Compliance
Electrical and Safety Standards:
- Isolation voltage tested to 2500 Vrms, meeting industrial safety requirements.
- Designed for compliance with CE and FCC standards for electromagnetic compatibility (EMC).
Industry Standards:
- SCSI-II Connector Standard: Ensures compatibility with standard industrial cabling and terminal boards.
- MezIO™ Modular Interface Standard: Proprietary Neousys interface ensuring mechanical and electrical consistency across modules.
Environmental Compliance:
- RoHS compliant (Restriction of Hazardous Substances)
- Designed for industrial temperature and vibration tolerance (as per POC-120 system specifications)
### 9. Additional Information
Warranty:
- Standard Neousys limited warranty (typically 2 years, depending on region and distributor).
- Covers manufacturing defects and hardware failures under normal operating conditions.
Support:
- Technical support available through Neousys Technology’s global service network.
- Comprehensive documentation, including installation guides, pinout diagrams, and software integration manuals.
Maintenance:
- No regular maintenance required beyond standard system cleaning and inspection.
- Periodic verification of connector integrity and cable condition recommended for long-term reliability.
Firmware and Software Updates:
- Compatible with Neousys system firmware updates.
- Supported by standard operating systems used with POC-120 series (Windows and Linux).
Ordering Information:
| Model Number | Description |
|---------------|-------------|
| MezIO-D220-12 | 8-CH isolated DI and 8-CH isolated DO MezIO™ module for POC-120 series |
| MezIO-D220-50 | 8-CH isolated DI and 8-CH isolated DO MezIO™ module for Nuvo-7000/5000/POC-500/POC-300 series |
| Cbl-S68M-S68M-100CM | SCSI-68(M) to SCSI-68(M) cable, 100 cm |
| TB-10 | Terminal board with 68-pin SCSI-II female connector and 68-pole terminal block |
Manufacturer Contact:
Neousys Technology, Inc.
Website: [www.neousys-tech.com](https://www.neousys-tech.com)
All specifications and photos are subject to change without prior notice.
### Summary
The Neousys MezIO-D220-12 is a high-performance, isolated digital I/O expansion module designed for the POC-120 series embedded controllers. With 8 isolated digital inputs and 8 isolated digital outputs, it provides a reliable interface for industrial control and monitoring applications. Its 2500 Vrms isolation, 24 VDC operation, and 500 mA per-channel output capacity make it ideal for demanding environments where electrical protection and signal integrity are critical.
Supporting both polling and change-of-state modes, the MezIO-D220-12 offers flexibility for real-time or event-driven control systems. Its standardized 68-pin SCSI-II connector ensures easy integration with Neousys accessories such as the TB-10 terminal board and Cbl-S68M-S68M-100CM cable.
As part of the MezIO™ modular ecosystem, the D220-12 exemplifies Neousys Technology’s commitment to scalable, rugged, and versatile industrial computing solutions.
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