Comprehensive Product Summary – NuDAM ND‑6530 USB‑to‑RS‑232/422/485 Isolated Converter Module
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### 1. Product Overview

Product Name: NuDAM Isolated Converter Module USB to RS‑232 / RS‑422 / RS‑485
Model: ND‑6530
Series: NuDAM 6000 Series Communication Modules
Article / Part Number: 50‑12029‑200
Manufacturer: ADLINK Technology Inc. (Taiwan)
Product Type: Industrial communication interface converter
Revision: AM‑ND6530‑A1

The ND‑6530 is a compact, industrial‑grade isolated converter module designed to bridge USB interfaces with standard serial communication buses including RS‑232, RS‑422, and RS‑485. It belongs to ADLINK’s NuDAM‑6000 series, a family of modular data acquisition and communication devices engineered for industrial automation, control, and data acquisition networks.

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### 2. Key Features

- USB 1.1 Compliant: Fully conforms to USB Specification 1.1 for universal connectivity with PCs, IPCs, and embedded systems.
- Plug‑and‑Play Installation: Automatic device recognition and driver installation under Windows 98/2000/XP/Vista/Linux.
- Self‑Powered via USB: Draws power directly from the USB bus; no external supply required.
- Multi‑Protocol Support: Hardware DIP‑switch selectable operation for RS‑232, RS‑422, or RS‑485.
- RS‑232 Mode: Supports TXD, RXD, RTS, CTS, and FGND signals with full hardware handshaking.
- RS‑422 Mode: Full‑duplex four‑wire differential communication (TX+, TX–, RX+, RX–).
- RS‑485 Mode: Half‑duplex two‑wire differential communication (DATA+, DATA–) with automatic direction flow control.
- High Isolation: 2500 Vrms galvanic isolation between USB and serial interfaces for protection against ground loops and surges.
- Surge Protection: Built‑in transient suppression on all RS‑232/422/485 signal lines.
- High Transfer Rate: Supports baud rates from 1200 bps up to 115.2 kbps.
- Multi‑Drop Capability: Supports up to 128 RS‑485 devices on a single bus segment.
- Status Indication: LED indicator for power and data transfer status.
- Industrial Design: ABS enclosure with captive mounting hardware for panel or DIN‑rail installation.
- Low Power Consumption: Typical power draw of 0.6 – 0.8 W from USB bus.
- Operating Temperature: –10 °C to +70 °C for industrial environments.
- CE Class A Compliance: Meets EMC requirements for industrial equipment.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| USB Controller | USB Specification 1.1 compliant |
| Transceivers | RS‑232: SP385E; RS‑422: LT490; RS‑485: LT1487 |
| Communication Modes | RS‑232 / RS‑422 / RS‑485 (DIP‑switch selectable) |
| Baud Rate Range | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps |
| Isolation Voltage | 2500 Vrms between USB and serial interface |
| Surge Protection | Provided on all signal lines |
| Connectors | USB Type B (device side); 10‑pin screw terminal block for serial I/O |
| LED Indicator | ON = USB power; Flashing = data transfer; OFF = no power |
| Cable | USB Type A‑to‑Type B cable |
| Power Source | USB bus‑powered (5 V DC) |
| Power Consumption | Approx. 0.6 – 0.795 W |
| Case Material | ABS plastic with captive mounting hardware |
| Operating Temperature | –10 °C to +70 °C |
| Storage Temperature | –25 °C to +80 °C |
| Isolation Type | Optical isolation between USB and serial circuits |
| Compliance | CE Class A, RoHS (implied for industrial electronics) |

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### 4. Functionality

The ND‑6530 functions as a transparent communication bridge between a USB host and serial devices using RS‑232, RS‑422, or RS‑485 standards. It converts USB data packets into corresponding serial signals and vice versa, enabling modern computers without native serial ports to communicate with legacy or industrial serial equipment.

Operating Modes:
- RS‑232 Mode: Point‑to‑point communication with full hardware handshaking (RTS/CTS).
- RS‑422 Mode: Four‑wire full‑duplex differential signaling for long‑distance, noise‑immune communication up to 1200 m (4000 ft).
- RS‑485 Mode: Two‑wire half‑duplex differential signaling supporting up to 128 devices on a multi‑drop bus; automatic direction control eliminates the need for software flow management.

Typical Applications:
- Industrial automation and process control systems
- Data acquisition networks (NuDAM 6000 series integration)
- SCADA and telemetry systems
- Laboratory instrumentation and test equipment
- PLC and CNC communication interfaces
- Serial device servers and remote monitoring nodes

Compatibility:
Operates as a standard COM port under Windows; compatible with any serial communication software (e.g., HyperTerminal) or custom applications using standard Windows API calls.

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### 5. Components & Accessories

Included Components:
- ND‑6530 converter module
- USB Type A‑to‑Type B cable
- 10‑pin screw terminal block (integrated)
- User manual and driver diskette (for Windows 98/2000)

Optional Accessories:
- DIN‑rail mounting kit
- RS‑485 network termination resistors (120 Ω ± 2 %)
- Shielded twisted‑pair communication cables

Connector Pin Assignments:

10‑Pin Terminal Block (Serial I/O):
1 – TX+/D+ (RS‑422/485 positive)
2 – TX–/D– (RS‑422/485 negative)
3 – RX+ (RS‑422 receive +)
4 – RX– (RS‑422 receive –)
5 – NC (no connection)
6 – TX (RS‑232 TXD)
7 – RX (RS‑232 RXD)
8 – RTS (Request to Send)
9 – CTS (Clear to Send)
10 – FGND (Field Ground)

USB Type B Connector:
1 – +5 V bus power
2 – Data–
3 – Data+
4 – Ground

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### 6. Installation & Setup

System Requirements:
- PC, IPC, or notebook with available USB port
- Operating system: Windows 98, 2000, XP, Vista, or Linux
- USB host controller installed
- Supplied USB cable (Type A‑to‑B)

Installation Procedure (Windows 98/2000):
1. Connect the ND‑6530 to the computer’s USB port or hub.
2. The system detects new hardware and launches the “New Hardware Wizard.”
3. Insert the driver diskette and follow on‑screen prompts to install the driver.
4. Upon completion, the device appears as a new COM port in Device Manager.
5. Verify installation by opening a terminal program and selecting the assigned COM port.

Configuration:
- DIP‑Switch Selection:
- RS‑485 (default)
- RS‑422
- RS‑232
Adjust using a small screwdriver; changes take effect immediately.
- Baud Rate & Data Format:
Automatically managed by driver; supports 5–8 data bits, 1–2 stop bits, and parity None/Odd/Even.

Mounting Options:
- Panel or wall mounting using captive hardware
- DIN‑rail mounting with optional bracket

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### 7. Performance & Capabilities

| Parameter | Performance Details |
|----------------|--------------------------|
| Data Rate | 1200 – 115,200 bps |
| Transmission Distance | Up to 1200 m (4000 ft) for RS‑422/485 |
| Bus Loading | Up to 128 RS‑485 devices per segment |
| Flow Control | Automatic direction control (RS‑485); RTS/CTS handshake (RS‑232) |
| Isolation Voltage | 2500 Vrms galvanic isolation |
| Surge Protection | Integrated transient voltage suppressors on all lines |
| Power Consumption | 0.6 – 0.795 W (max) |
| Operating Temperature | –10 °C to +70 °C |
| Storage Temperature | –25 °C to +80 °C |
| Case Material | ABS plastic, industrial grade |
| Indicators | LED ON = power; Flashing = data activity |
| Reliability | Designed for harsh industrial environments; EMI‑shielded internal coating |

Limitations:
- USB 1.1 speed (sufficient for serial data rates ≤ 115.2 kbps)
- Requires Windows or Linux driver installation
- Not intended for high‑speed USB 2.0 bulk data transfer applications

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### 8. Standards & Compliance

- USB Specification: Version 1.1 compliant
- Serial Standards: EIA/TIA RS‑232, RS‑422, RS‑485
- Isolation & Safety: 2500 Vrms optical isolation between USB and serial circuits
- EMC Compliance: CE Class A (industrial environment)
- Environmental: Operating –10 °C to 70 °C; Storage –25 °C to 80 °C
- Mechanical: ABS enclosure with EMI‑reducing internal coating
- Network Topology: Supports RS‑485 multi‑drop up to 128 nodes; termination resistor 120 Ω ± 2 % recommended
- Regulatory: Conforms to EIA RS‑485 standard for balanced differential transmission

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### 9. Additional Information

Warranty:
One‑year limited warranty against defects in materials and workmanship from the date of purchase. Warranty excludes damage due to misuse, modification, or operation beyond specified limits.

Support & Service:
- Technical Assistance: NuDAM@adlink.com.tw
- Customer Service: service@adlink.com.tw
- Telephone: +886‑2‑8226‑5877
- Fax: +886‑2‑8226‑5717
- Website: [www.adlink.com.tw](http://www.adlink.com.tw)

Maintenance:
- No internal user‑serviceable parts.
- Clean with dry cloth; avoid solvents.
- Ensure proper grounding and shielding in high‑noise environments.

Firmware & Driver Updates:
Drivers and manuals available for download from ADLINK’s website under NuDAM 6000 Series.

Safety & Handling Notes:
- Do not connect or disconnect signal wiring while powered.
- Use shielded twisted‑pair cables for RS‑485/422 networks.
- Maintain proper termination (120 Ω resistors) at both ends of the bus.
- Connect FGND to chassis ground to minimize EMI.

Integration with NuDAM Network:
The ND‑6530 serves as the USB communication gateway for the entire NuDAM 6000 series network, enabling a host PC to control up to 256 modules through RS‑485 multi‑drop topology. It can coexist with ND‑6510 repeaters and ND‑6531 addressable converters to extend network distance and integrate RS‑232 devices.

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### Summary

The ADLINK NuDAM ND‑6530 is a robust, isolated USB‑to‑RS‑232/422/485 converter engineered for industrial and laboratory communication networks. It provides seamless integration between modern USB‑equipped computers and legacy serial devices, offering high electrical isolation, surge protection, and flexible configuration. With support for multiple serial standards, automatic RS‑485 direction control, and plug‑and‑play USB operation, the ND‑6530 is ideal for data acquisition, process control, and industrial automation applications requiring reliable, noise‑immune serial communication over long distances.

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End of Product Summary – ND‑6530 (Part No. 50‑12029‑200)