Comprehensive Product Summary – Advanio G‑M1A021‑M USB‑to‑RS‑485 Converter Module (Metal Case)

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### 1. Product Overview

Product Name: USB to RS‑485 Converter Module
Model: G‑M1A021‑M
Series: Wolf Series – Industrial Remote I/O and Communication Modules
Article Number: G‑M1A021‑M
Manufacturer: Advanio Technology Co., Ltd.

Manufacturer Background:
Advanio Technology Co., Ltd. is a Taiwan‑based industrial automation and IoT hardware manufacturer specializing in advanced I/O and communication technologies. Founded by engineers with over 20 years of field experience, Advanio focuses on rugged, reliable, and easily maintainable data acquisition and control modules for Industry 4.0 and smart factory applications. The company’s product portfolio includes wired and wireless I/O modules (RS‑485, CAN, Ethernet, EtherCAT, PROFINET, Modbus/TCP, Bluetooth, Wi‑Fi, 3G/4G) and industrial computing platforms.

The Wolf Series represents Advanio’s modular RS‑485 remote I/O family, designed for distributed data acquisition and control in harsh industrial environments. The G‑M1A021‑M converter serves as the USB‑to‑RS‑485 communication interface for Wolf modules and other Modbus/RTU‑based devices.

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### 2. Key Features

- USB to RS‑485 Conversion: Enables direct connection between a PC or embedded host with USB interface and RS‑485 fieldbus networks.
- Industrial‑Grade Metal Housing: Provides mechanical protection and EMI shielding for reliable operation in electrically noisy environments.
- Plug‑and‑Play Interface: Automatically recognized by host systems; supports standard USB drivers.
- Isolation Protection: 3,000 VDC galvanic isolation between USB and RS‑485 sides to protect host equipment from surges and ground loops.
- Wide Power Input Range: Operates from +10 VDC to +60 VDC, compatible with industrial 12 V, 24 V, 36 V, 48 V systems.
- Hot‑Swap and Auto‑Configuration: EEPROM‑based configuration retention allows module replacement without reprogramming.
- Compact, Space‑Saving Design: 47.2 mm thickness for vertical DIN‑rail mounting; up to 1.5× higher module density than conventional flat I/O devices.
- Rugged Reliability: Built‑in hardware and system watchdogs ensure automatic recovery from communication or power faults.
- Ease of Maintenance: Rotary address switches and LED indicators simplify on‑site configuration and diagnostics.
- Long‑Term Warranty: 5‑year manufacturer warranty covering manufacturing defects and component failures.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Interface Type | USB 2.0 (host side) to RS‑485 (field side) |
| Communication Protocol | Modbus/RTU compatible |
| Communication Speed | 1,200 bps – 115.2 kbps |
| Communication Distance | Up to 1.2 km (RS‑485) |
| Isolation Voltage | 3,000 VDC between USB and RS‑485 |
| Power Supply | +10 VDC – +60 VDC (reverse‑polarity protected) |
| Power Consumption | Approx. 1.6 W @ 24 VDC |
| Operating Temperature | −25 °C to +70 °C |
| Storage Temperature | −30 °C to +75 °C |
| Humidity | 5 % – 95 % RH (non‑condensing) |
| Connector Type | Plug‑in terminal block (#16 – 30 AWG) |
| Housing Material | Metal (aluminum alloy) |
| Mounting | DIN‑rail 35 mm or wall‑mount |
| Dimensions (W × H × D) | Approx. 115.2 mm × 126.7 mm × 47 mm |
| Weight | ~0.9 kg (with metal enclosure) |
| Isolation Protection | Power, communication, and I/O isolation |
| Certifications | CE, FCC Part 15 Class A, EMC (EMI/EMS) compliant |

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### 4. Functionality

The G‑M1A021‑M converter functions as a communication bridge between a USB‑equipped host (PC, PLC, or industrial controller) and RS‑485 field devices. It translates USB serial data into differential RS‑485 signals, enabling Modbus/RTU communication with Wolf Series I/O modules or other RS‑485‑based equipment.

Typical Use Cases:
- Connecting PCs or embedded controllers to RS‑485 networks for data acquisition and control.
- Integrating Wolf Series remote I/O modules into supervisory control systems.
- Laboratory and building automation requiring USB‑based configuration or monitoring.
- Industrial process monitoring, energy management, and security systems.

Compatibility:
- Fully compatible with Advanio Wolf Series RS‑485 modules (W‑M1Bxxx family).
- Supports Modbus/RTU protocol for third‑party RS‑485 devices.
- Works with Windows, Linux, and embedded OS platforms supporting standard USB serial drivers.

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### 5. Components & Accessories

Included Items:
- G‑M1A021‑M USB‑to‑RS‑485 converter module (metal case)
- Plug‑in terminal block connector (14‑pin)
- DIN‑rail mounting base and plastic isolation tab
- Quick‑start guide and documentation

Optional Accessories:
- RS‑232‑to‑RS‑485 isolated converter (G‑M1E001)
- RS‑485‑to‑RS‑485 repeater (G‑M1F001, for extended networks)
- Additional DIN‑rail bases and grounding tabs
- USB cable (A‑to‑B type, industrial‑grade shielded)

Connectors:
- USB Port: Standard USB‑B female connector
- RS‑485 Port: Plug‑in terminal block (D+, D−, GND)
- Power Input: 2‑pin terminal block (+VS, GND)

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### 6. Installation & Setup

Requirements:
- Host PC with available USB 2.0 port or higher.
- DC power supply within 10 – 60 VDC range.
- RS‑485 network cabling (twisted‑pair shielded cable recommended).

Mounting Options:
- DIN‑Rail Mounting: Attach the detachable base to a standard DIN‑35 rail; modules can be chained using 14‑pin connectors for power and communication.
- Wall Mounting: Secure the base to a flat surface using screws through pre‑drilled holes.

Grounding:
- For aluminum DIN‑rail installations, the rail serves as frame ground (FG).
- If electrical noise or poor grounding exists, use the provided plastic isolation tab to decouple the module frame from the rail.

Configuration Steps:
1. Connect the converter to the host PC via USB.
2. Supply 10–60 VDC power to the module.
3. Connect RS‑485 D+ and D− lines to the field network.
4. Use Advanio Utility software to verify communication and configure baud rate, parity, and Modbus node address.
5. For Wolf modules, set node address using the dual rotary switches (range 0x01 – 0xF7).

Indicators:
- Power LED: Steady ON = power OK; flashes 3× at startup = initialization complete.
- System LED: Flashing = normal operation; steady ON = fault.
- Communication LED: Flashes on data activity; steady ON = timeout or link error.

Factory Reset:
Press and hold the INIT push‑button for 3 seconds to restore default parameters (baud 9600 bps, N‑8‑1, address 01).

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### 7. Performance & Capabilities

- Data Rate: 1.2 kbps – 115.2 kbps selectable.
- Network Length: Up to 1.2 km (4000 ft) per segment; extendable with repeaters.
- Node Capacity: Up to 32 modules per segment; 247 nodes max with repeaters.
- Watchdog Functions:
- *Module Watchdog* – hardware‑based 1.6 s timeout for self‑recovery.
- *System Watchdog* – software‑configurable timeout (0 – 25.5 s) to reset outputs to safe state on communication failure.
- Isolation: 3 kV DC galvanic isolation between power, communication, and I/O circuits.
- Power Efficiency: Internal regulator stabilizes supply voltage; ripple ≤ 5 V p‑p recommended.
- Environmental Robustness: EMC‑tested for EMI/EMS immunity; operates −25 °C to +70 °C in 95 % RH humidity.
- Hot‑Swap Capability: Modules can be replaced without rewiring; EEPROM retains configuration.
- Safety Values: Programmable power‑on and fail‑safe output states to prevent unintended actuation.

Limitations:
- RS‑485 bus requires proper termination (120 Ω at both ends).
- Maximum 10 modules per DIN‑rail power segment (≈ 30 W total consumption).
- Not intended for hazardous (Ex) environments without additional certification.

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### 8. Standards & Compliance

- Electrical Safety: 3 kV DC isolation tested.
- EMC Compliance:
- EMI and EMS tests performed per EN 61000‑6‑2/‑6‑4 industrial standards.
- Designed for use with CE‑certified industrial chassis.
- FCC Compliance:
- Complies with Part 15 of FCC Rules.
- Operation subject to two conditions: (1) device may not cause harmful interference; (2) device must accept any interference received.
- Environmental Protection: RoHS compliant materials; lead‑free solder process.
- Quality Assurance: All units undergo functional testing and burn‑in validation before shipment.

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### 9. Additional Information

Warranty:
- Standard 5‑year limited warranty from date of purchase.
- Covers manufacturing defects and component failures under normal use.
- Excludes damage from improper installation, modification, or misuse.
- Out‑of‑warranty repairs available at nominal cost.

Support & Service:
- Technical support via email (service@advanio.com.tw) and official website (www.advanio.com.tw).
- Response within 2 working days.
- RMA procedure requires model number, serial number, firmware version, and purchase proof.

Maintenance:
- Periodically inspect connectors and DIN‑rail contacts for oxidation or loose fittings.
- Ensure proper grounding and cable shield termination to maintain EMC performance.
- Firmware updates and configuration utilities available from Advanio website.

Software Tools:
- Advanio Utility for Windows – module configuration, address setup, and diagnostics.
- Mobile App (Advanio for iOS/Android) – remote access to product information and support resources.

Recommended Applications:
- Industrial automation and process control systems.
- Energy management and power distribution monitoring.
- Building automation (BAS/BMS).
- Laboratory instrumentation and test benches.
- Security and surveillance systems requiring remote I/O integration.

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### Summary

The Advanio G‑M1A021‑M USB‑to‑RS‑485 Converter Module is a robust, industrial‑grade communication interface designed to connect modern USB‑based controllers to legacy or distributed RS‑485 networks. Built within a durable metal enclosure and engineered for harsh industrial environments, it offers 3 kV isolation, wide 10–60 VDC power range, and comprehensive EMC protection.

Its integration with the Wolf Series ecosystem ensures seamless connectivity to a wide range of analog, digital, and relay I/O modules. The converter’s hot‑swappable design, EEPROM‑based configuration retention, and intuitive LED/rotary‑switch interface make it ideal for maintenance‑free, long‑term deployment in smart factory and Industry 4.0 applications.

With CE/FCC compliance, 5‑year warranty, and full software support, the G‑M1A021‑M delivers reliable, high‑performance USB‑to‑RS‑485 communication for industrial automation, data acquisition, and control systems.