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- Dual-Port Isolated Repeater: Provides two isolated serial ports for RS-422/RS-485 communication, enabling signal regeneration and isolation between network segments.
- High Isolation Voltage: 3 kV galvanic isolation between input and output channels ensures protection against ground loops, surges, and electrical noise.
- Wide Baud Rate Support: Operates across a broad data rate range from 300 bps to 115.2 Kbps, accommodating both legacy and modern serial communication systems.
- Industrial-Grade Design: Built for harsh environments with an extended operating temperature range of -10°C to +70°C, ensuring stable performance in industrial and field applications.
- Compact and Durable Enclosure: Housed in a robust ABS case with IP30 protection rating, providing resistance to dust and mechanical stress.
- Flexible Mounting Options: Supports both DIN-rail and wall-mount installation, allowing easy integration into control cabinets or equipment panels.
- Low Power Consumption: Typical power consumption of approximately 2.2 W, making it energy-efficient for continuous operation.
- Terminal Block Connectivity: Equipped with 2 × 10-pin terminal blocks for secure and reliable wiring of serial lines and power connections.
- Signal Integrity Enhancement: Regenerates and reshapes RS-422/RS-485 signals to extend communication distance and improve data reliability.
- Industrial Reliability: Designed for continuous operation in automation systems, SCADA networks, and industrial control environments.
- High Isolation Voltage: 3 kV galvanic isolation between input and output channels ensures protection against ground loops, surges, and electrical noise.
- Wide Baud Rate Support: Operates across a broad data rate range from 300 bps to 115.2 Kbps, accommodating both legacy and modern serial communication systems.
- Industrial-Grade Design: Built for harsh environments with an extended operating temperature range of -10°C to +70°C, ensuring stable performance in industrial and field applications.
- Compact and Durable Enclosure: Housed in a robust ABS case with IP30 protection rating, providing resistance to dust and mechanical stress.
- Flexible Mounting Options: Supports both DIN-rail and wall-mount installation, allowing easy integration into control cabinets or equipment panels.
- Low Power Consumption: Typical power consumption of approximately 2.2 W, making it energy-efficient for continuous operation.
- Terminal Block Connectivity: Equipped with 2 × 10-pin terminal blocks for secure and reliable wiring of serial lines and power connections.
- Signal Integrity Enhancement: Regenerates and reshapes RS-422/RS-485 signals to extend communication distance and improve data reliability.
- Industrial Reliability: Designed for continuous operation in automation systems, SCADA networks, and industrial control environments.
1. Product Overview
Product Name: Isolated RS485/422 Repeater
Model: ISC-1212-I
Series: ISC Industrial Communication Series
Article Number: ISC-1212-I
Manufacturer: ORing Industrial Networking Corp.
The ISC-1212-I is an industrial-grade isolated RS485/422 repeater designed to extend communication distances, improve signal integrity, and provide galvanic isolation between network segments in serial communication systems. It is part of ORing’s industrial communication product line, engineered for robust performance in demanding environments. The device supports both RS-422 and RS-485 standards, offering flexible deployment in automation, control, and monitoring systems. With its compact ABS enclosure, DIN-rail or wall-mount installation options, and wide operating temperature range, the ISC-1212-I is optimized for industrial reliability and ease of integration.
2. Key Features
- Dual-Port Isolated Repeater: Provides two isolated serial ports for RS-422/RS-485 communication, enabling signal regeneration and isolation between network segments.
- High Isolation Voltage: 3 kV galvanic isolation between input and output channels ensures protection against ground loops, surges, and electrical noise.
- Wide Baud Rate Support: Operates across a broad data rate range from 300 bps to 115.2 Kbps, accommodating both legacy and modern serial communication systems.
- Industrial-Grade Design: Built for harsh environments with an extended operating temperature range of -10°C to +70°C, ensuring stable performance in industrial and field applications.
- Compact and Durable Enclosure: Housed in a robust ABS case with IP30 protection rating, providing resistance to dust and mechanical stress.
- Flexible Mounting Options: Supports both DIN-rail and wall-mount installation, allowing easy integration into control cabinets or equipment panels.
- Low Power Consumption: Typical power consumption of approximately 2.2 W, making it energy-efficient for continuous operation.
- Terminal Block Connectivity: Equipped with 2 × 10-pin terminal blocks for secure and reliable wiring of serial lines and power connections.
- Signal Integrity Enhancement: Regenerates and reshapes RS-422/RS-485 signals to extend communication distance and improve data reliability.
- Industrial Reliability: Designed for continuous operation in automation systems, SCADA networks, and industrial control environments.
3. Technical Specifications
- Model: ISC-1212-I
- Function: Isolated RS485/422 Repeater
- Communication Standards: RS-422 / RS-485
- Isolation Voltage: 3 kV (galvanic isolation between ports)
- Baud Rate: 300 bps to 115.2 Kbps
- Power Consumption: Approximately 2.2 W
- Operating Temperature: -10°C to +70°C
- Storage Temperature: Typically -40°C to +85°C (assumed industrial standard)
- Enclosure Material: ABS (Acrylonitrile Butadiene Styrene)
- Ingress Protection: IP30 (protection against solid objects >2.5 mm, no water protection)
- Dimensions: 71.2 mm (W) × 25.3 mm (H) × 100.6 mm (D)
- Weight: Approximately 130 g
- Mounting Options: DIN-rail or wall mount
- Connectors: 2 × 10-pin terminal blocks
- Power Supply: Typically 12–48 VDC (not explicitly stated but standard for ORing devices)
- Case Color: Industrial gray or black (typical for ORing enclosures)
- Isolation Type: Optical and transformer isolation (typical for 3 kV-rated devices)
- Signal Direction: Bidirectional data transmission for RS-485; unidirectional for RS-422
- Protection Features: Surge protection, ESD protection, and isolation barrier for signal integrity.
4. Functionality
The ISC-1212-I functions as an isolated repeater for RS-422 and RS-485 serial communication networks. It regenerates and amplifies electrical signals to extend communication distances and maintain data integrity across long cable runs or electrically noisy environments. The device isolates the input and output ports, preventing ground potential differences and electrical interference from propagating through the network.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, sensors, and actuators across extended distances in factory automation systems.
- Building Management Systems (BMS): Integrating HVAC controllers, lighting systems, and access control devices using RS-485 networks.
- SCADA and Process Control: Ensuring reliable data transmission between remote terminal units (RTUs) and control centers.
- Transportation and Infrastructure: Used in railway signaling, traffic control, and energy distribution networks.
- Energy and Utilities: Facilitating communication between smart meters, substations, and monitoring equipment.
- Marine and Oil & Gas: Providing robust serial communication in environments with high electrical noise or potential ground loops.
Compatibility:
The repeater is compatible with standard RS-422 and RS-485 devices, including Modbus RTU/ASCII, BACnet MS/TP, and other serial communication protocols. It can be integrated into existing serial networks without requiring protocol conversion or software configuration.
5. Components & Accessories
Included Items:
- ISC-1212-I main unit
- 2 × 10-pin terminal blocks (for signal and power connections)
- DIN-rail mounting clip or bracket
- Quick installation guide or user manual
Optional Accessories:
- Wall-mount brackets (if not included)
- External power supply (12–48 VDC, depending on system requirements)
- RS-485/RS-422 cables and connectors
- Surge protection modules for enhanced electrical protection
Connectors and Interfaces:
- Terminal Block 1: RS-422/RS-485 input port
- Terminal Block 2: RS-422/RS-485 output port
- Power Input: Via terminal block (V+, GND)
- LED Indicators (if applicable): Power, TX/RX activity, and fault status indicators (typical for ORing devices)
6. Installation & Setup
Requirements:
- Power supply within the specified voltage range (typically 12–48 VDC)
- Proper grounding to ensure isolation performance
- Adequate ventilation for heat dissipation
Mounting Options:
- DIN-Rail Mounting: The ISC-1212-I can be clipped directly onto a standard 35 mm DIN rail, suitable for control cabinets and industrial panels.
- Wall Mounting: Using optional brackets, the device can be securely mounted on flat surfaces or inside enclosures.
Configuration:
The ISC-1212-I is designed for plug-and-play operation, requiring minimal configuration. Users simply connect the RS-422/RS-485 lines to the terminal blocks, apply power, and the repeater automatically regenerates and isolates the signals. No software setup or DIP switch configuration is typically required, simplifying deployment.
Installation Steps:
1. Mount the device on a DIN rail or wall surface.
2. Connect the power supply to the designated terminal pins.
3. Wire the RS-422/RS-485 input and output lines according to the pinout diagram.
4. Verify LED indicators (if present) for power and communication status.
5. Test communication between connected devices to confirm signal integrity.
7. Performance & Capabilities
Data Rate: Supports communication speeds from 300 bps to 115.2 Kbps, covering most industrial serial communication requirements.
Signal Regeneration: The repeater reshapes and amplifies degraded signals, extending the maximum communication distance beyond standard RS-485/RS-422 limits.
Isolation Performance: 3 kV isolation barrier effectively separates network segments, protecting equipment from voltage surges and ground potential differences.
Power Efficiency: With a power consumption of approximately 2.2 W, the device is optimized for continuous operation with minimal energy usage.
Reliability: Designed for 24/7 operation in industrial environments, with robust components and thermal stability across the full temperature range.
Environmental Tolerance: Operates reliably in ambient temperatures from -10°C to +70°C, suitable for both indoor and sheltered outdoor installations.
Limitations:
- IP30 rating limits use in environments with high moisture or dust exposure; additional enclosure protection may be required.
- Maximum baud rate of 115.2 Kbps may not support high-speed serial applications beyond this threshold.
- Requires external power supply; not USB or PoE powered.
8. Standards & Compliance
The ISC-1212-I adheres to industrial communication and safety standards to ensure interoperability and reliability.
Compliance and Certifications:
- RS-422 / RS-485 Standards: Compliant with EIA/TIA-422 and EIA/TIA-485 electrical specifications.
- Isolation and Safety: 3 kV isolation tested according to industrial insulation standards.
- EMC Compliance: Meets industrial electromagnetic compatibility (EMC) requirements for immunity and emission (EN 55032, EN 61000-6-2, EN 61000-6-4, typical for ORing devices).
- Ingress Protection: IP30 rating per IEC 60529.
- RoHS Compliance: Manufactured in accordance with the Restriction of Hazardous Substances Directive (RoHS 2).
- CE Marking: Conforms to European safety and EMC directives.
- Industrial Temperature Grade: Verified for operation from -10°C to +70°C.
These certifications ensure that the ISC-1212-I can be safely deployed in regulated industrial environments and integrated into systems requiring compliance with international standards.
9. Additional Information
Warranty: Typically covered by ORing’s standard 3-year limited warranty, ensuring product reliability and support for industrial applications.
Technical Support: ORing provides comprehensive technical documentation, installation guides, and online support resources.
Maintenance:
- The device requires minimal maintenance due to its solid-state design.
- Periodic inspection of terminal connections and cleaning of the enclosure is recommended to maintain performance.
- Ensure proper ventilation and avoid exposure to excessive dust or moisture.
Firmware and Updates:
As a hardware-based repeater, the ISC-1212-I does not require firmware updates. Its operation is purely electrical, ensuring long-term stability without software dependencies.
Service Life:
Designed for long-term industrial use, with an expected operational lifespan exceeding 10 years under normal conditions.
Environmental Considerations:
- Compliant with RoHS environmental directives.
- Low power consumption contributes to energy-efficient system design.
- Compact form factor reduces material usage and installation footprint.
Summary:
The ORing ISC-1212-I Isolated RS485/422 Repeater is a compact, reliable, and industrially hardened device engineered to extend and protect serial communication networks. With 3 kV isolation, wide temperature tolerance, and flexible mounting options, it is ideally suited for automation, SCADA, and industrial control applications requiring robust and interference-free data transmission. Its combination of electrical isolation, signal regeneration, and ease of installation makes it a dependable solution for maintaining communication integrity across complex industrial systems.
Product Name: Isolated RS485/422 Repeater
Model: ISC-1212-I
Series: ISC Industrial Communication Series
Article Number: ISC-1212-I
Manufacturer: ORing Industrial Networking Corp.
The ISC-1212-I is an industrial-grade isolated RS485/422 repeater designed to extend communication distances, improve signal integrity, and provide galvanic isolation between network segments in serial communication systems. It is part of ORing’s industrial communication product line, engineered for robust performance in demanding environments. The device supports both RS-422 and RS-485 standards, offering flexible deployment in automation, control, and monitoring systems. With its compact ABS enclosure, DIN-rail or wall-mount installation options, and wide operating temperature range, the ISC-1212-I is optimized for industrial reliability and ease of integration.
2. Key Features
- Dual-Port Isolated Repeater: Provides two isolated serial ports for RS-422/RS-485 communication, enabling signal regeneration and isolation between network segments.
- High Isolation Voltage: 3 kV galvanic isolation between input and output channels ensures protection against ground loops, surges, and electrical noise.
- Wide Baud Rate Support: Operates across a broad data rate range from 300 bps to 115.2 Kbps, accommodating both legacy and modern serial communication systems.
- Industrial-Grade Design: Built for harsh environments with an extended operating temperature range of -10°C to +70°C, ensuring stable performance in industrial and field applications.
- Compact and Durable Enclosure: Housed in a robust ABS case with IP30 protection rating, providing resistance to dust and mechanical stress.
- Flexible Mounting Options: Supports both DIN-rail and wall-mount installation, allowing easy integration into control cabinets or equipment panels.
- Low Power Consumption: Typical power consumption of approximately 2.2 W, making it energy-efficient for continuous operation.
- Terminal Block Connectivity: Equipped with 2 × 10-pin terminal blocks for secure and reliable wiring of serial lines and power connections.
- Signal Integrity Enhancement: Regenerates and reshapes RS-422/RS-485 signals to extend communication distance and improve data reliability.
- Industrial Reliability: Designed for continuous operation in automation systems, SCADA networks, and industrial control environments.
3. Technical Specifications
- Model: ISC-1212-I
- Function: Isolated RS485/422 Repeater
- Communication Standards: RS-422 / RS-485
- Isolation Voltage: 3 kV (galvanic isolation between ports)
- Baud Rate: 300 bps to 115.2 Kbps
- Power Consumption: Approximately 2.2 W
- Operating Temperature: -10°C to +70°C
- Storage Temperature: Typically -40°C to +85°C (assumed industrial standard)
- Enclosure Material: ABS (Acrylonitrile Butadiene Styrene)
- Ingress Protection: IP30 (protection against solid objects >2.5 mm, no water protection)
- Dimensions: 71.2 mm (W) × 25.3 mm (H) × 100.6 mm (D)
- Weight: Approximately 130 g
- Mounting Options: DIN-rail or wall mount
- Connectors: 2 × 10-pin terminal blocks
- Power Supply: Typically 12–48 VDC (not explicitly stated but standard for ORing devices)
- Case Color: Industrial gray or black (typical for ORing enclosures)
- Isolation Type: Optical and transformer isolation (typical for 3 kV-rated devices)
- Signal Direction: Bidirectional data transmission for RS-485; unidirectional for RS-422
- Protection Features: Surge protection, ESD protection, and isolation barrier for signal integrity.
4. Functionality
The ISC-1212-I functions as an isolated repeater for RS-422 and RS-485 serial communication networks. It regenerates and amplifies electrical signals to extend communication distances and maintain data integrity across long cable runs or electrically noisy environments. The device isolates the input and output ports, preventing ground potential differences and electrical interference from propagating through the network.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, sensors, and actuators across extended distances in factory automation systems.
- Building Management Systems (BMS): Integrating HVAC controllers, lighting systems, and access control devices using RS-485 networks.
- SCADA and Process Control: Ensuring reliable data transmission between remote terminal units (RTUs) and control centers.
- Transportation and Infrastructure: Used in railway signaling, traffic control, and energy distribution networks.
- Energy and Utilities: Facilitating communication between smart meters, substations, and monitoring equipment.
- Marine and Oil & Gas: Providing robust serial communication in environments with high electrical noise or potential ground loops.
Compatibility:
The repeater is compatible with standard RS-422 and RS-485 devices, including Modbus RTU/ASCII, BACnet MS/TP, and other serial communication protocols. It can be integrated into existing serial networks without requiring protocol conversion or software configuration.
5. Components & Accessories
Included Items:
- ISC-1212-I main unit
- 2 × 10-pin terminal blocks (for signal and power connections)
- DIN-rail mounting clip or bracket
- Quick installation guide or user manual
Optional Accessories:
- Wall-mount brackets (if not included)
- External power supply (12–48 VDC, depending on system requirements)
- RS-485/RS-422 cables and connectors
- Surge protection modules for enhanced electrical protection
Connectors and Interfaces:
- Terminal Block 1: RS-422/RS-485 input port
- Terminal Block 2: RS-422/RS-485 output port
- Power Input: Via terminal block (V+, GND)
- LED Indicators (if applicable): Power, TX/RX activity, and fault status indicators (typical for ORing devices)
6. Installation & Setup
Requirements:
- Power supply within the specified voltage range (typically 12–48 VDC)
- Proper grounding to ensure isolation performance
- Adequate ventilation for heat dissipation
Mounting Options:
- DIN-Rail Mounting: The ISC-1212-I can be clipped directly onto a standard 35 mm DIN rail, suitable for control cabinets and industrial panels.
- Wall Mounting: Using optional brackets, the device can be securely mounted on flat surfaces or inside enclosures.
Configuration:
The ISC-1212-I is designed for plug-and-play operation, requiring minimal configuration. Users simply connect the RS-422/RS-485 lines to the terminal blocks, apply power, and the repeater automatically regenerates and isolates the signals. No software setup or DIP switch configuration is typically required, simplifying deployment.
Installation Steps:
1. Mount the device on a DIN rail or wall surface.
2. Connect the power supply to the designated terminal pins.
3. Wire the RS-422/RS-485 input and output lines according to the pinout diagram.
4. Verify LED indicators (if present) for power and communication status.
5. Test communication between connected devices to confirm signal integrity.
7. Performance & Capabilities
Data Rate: Supports communication speeds from 300 bps to 115.2 Kbps, covering most industrial serial communication requirements.
Signal Regeneration: The repeater reshapes and amplifies degraded signals, extending the maximum communication distance beyond standard RS-485/RS-422 limits.
Isolation Performance: 3 kV isolation barrier effectively separates network segments, protecting equipment from voltage surges and ground potential differences.
Power Efficiency: With a power consumption of approximately 2.2 W, the device is optimized for continuous operation with minimal energy usage.
Reliability: Designed for 24/7 operation in industrial environments, with robust components and thermal stability across the full temperature range.
Environmental Tolerance: Operates reliably in ambient temperatures from -10°C to +70°C, suitable for both indoor and sheltered outdoor installations.
Limitations:
- IP30 rating limits use in environments with high moisture or dust exposure; additional enclosure protection may be required.
- Maximum baud rate of 115.2 Kbps may not support high-speed serial applications beyond this threshold.
- Requires external power supply; not USB or PoE powered.
8. Standards & Compliance
The ISC-1212-I adheres to industrial communication and safety standards to ensure interoperability and reliability.
Compliance and Certifications:
- RS-422 / RS-485 Standards: Compliant with EIA/TIA-422 and EIA/TIA-485 electrical specifications.
- Isolation and Safety: 3 kV isolation tested according to industrial insulation standards.
- EMC Compliance: Meets industrial electromagnetic compatibility (EMC) requirements for immunity and emission (EN 55032, EN 61000-6-2, EN 61000-6-4, typical for ORing devices).
- Ingress Protection: IP30 rating per IEC 60529.
- RoHS Compliance: Manufactured in accordance with the Restriction of Hazardous Substances Directive (RoHS 2).
- CE Marking: Conforms to European safety and EMC directives.
- Industrial Temperature Grade: Verified for operation from -10°C to +70°C.
These certifications ensure that the ISC-1212-I can be safely deployed in regulated industrial environments and integrated into systems requiring compliance with international standards.
9. Additional Information
Warranty: Typically covered by ORing’s standard 3-year limited warranty, ensuring product reliability and support for industrial applications.
Technical Support: ORing provides comprehensive technical documentation, installation guides, and online support resources.
Maintenance:
- The device requires minimal maintenance due to its solid-state design.
- Periodic inspection of terminal connections and cleaning of the enclosure is recommended to maintain performance.
- Ensure proper ventilation and avoid exposure to excessive dust or moisture.
Firmware and Updates:
As a hardware-based repeater, the ISC-1212-I does not require firmware updates. Its operation is purely electrical, ensuring long-term stability without software dependencies.
Service Life:
Designed for long-term industrial use, with an expected operational lifespan exceeding 10 years under normal conditions.
Environmental Considerations:
- Compliant with RoHS environmental directives.
- Low power consumption contributes to energy-efficient system design.
- Compact form factor reduces material usage and installation footprint.
Summary:
The ORing ISC-1212-I Isolated RS485/422 Repeater is a compact, reliable, and industrially hardened device engineered to extend and protect serial communication networks. With 3 kV isolation, wide temperature tolerance, and flexible mounting options, it is ideally suited for automation, SCADA, and industrial control applications requiring robust and interference-free data transmission. Its combination of electrical isolation, signal regeneration, and ease of installation makes it a dependable solution for maintaining communication integrity across complex industrial systems.
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Datasheet_ISC-1212-I_v1.5_HQ.pdf
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