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ULOG485

USB Data Logger Monitor Box 4*RS232/422/485 Isolated
87,00 EUR

including VAT 103.53 EUR

  • Manufacturer Rayon
  • Category: Serial Data Logger
  • The ULOG485 is a USB-powered, metal-encased, intelligent data logger and monitored interface converter designed to provide two sets of RS232-to-ground-isolated RS422/RS485 conversion within a single compact module. It integrates four serial ports (two RS232 and two RS422/485) and supports full monitoring and logging of serial communication for industrial control, automation, and diagnostic applications.
- Four Independent Serial Ports:
Two RS232 ports (A, B) and two isolated RS422/RS485 ports (C, D).
Each RS232 port is paired with a corresponding RS422/485 port (A↔C, B↔D) for dual converter functionality.

- USB 2.0 Interface:
High-speed USB 2.0 device controller with plug-and-play capability.
Provides bus power and data communication to the host PC.

- Ground Isolation:
RS422/485 ports are galvanically isolated from RS232 and USB ground, preventing ground loops and ensuring safe operation in industrial environments.

- Auto Data Direction Control (ADDC):
Automatic transmit/receive switching for RS485 half-duplex communication.

- Selectable Interface Modes:
Each RS422/485 port can be configured via DIP switches for RS422, 2-wire RS485, or 4-wire RS485 operation, with optional 120 Ω termination.

- LED Indicators:
Individual TX/RX activity LEDs for each port (A–D) and a power indicator LED for visual status monitoring.

- High-Performance MOSCHIP MCS7840 Controller:
Integrated USB-to-multi-serial controller with 512-byte FIFO per port for efficient data buffering and reduced latency.

- USB Bus Powered (200 mA):
Operates directly from the USB port without external power supply; optional 5 V terminal input available for OEM integration.

- Metal Enclosure:
Durable, EMI-resistant housing suitable for industrial and laboratory environments.

- Comprehensive Software Support:
Compatible with Windows (32/64-bit) and Linux systems; includes drivers and RAYREAL monitoring software for real-time data analysis.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8473 3020 000

Comprehensive Product Summary – ULOG485 USB Data Logger Monitor Box (4×RS232/422/485 Isolated)




### 1. Product Overview

Product Name: ULOG485
Model: ULOG485
Series: USB Data Logger / Monitored Interface Converter Series
Article Number: ULOG485
Manufacturer: RAYON Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact: Tel: +886-2-82858362 | Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Websites: [www.rayontech.com](http://www.rayontech.com), [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)

The ULOG485 is a USB-powered, metal-encased, intelligent data logger and monitored interface converter designed to provide two sets of RS232-to-ground-isolated RS422/RS485 conversion within a single compact module. It integrates four serial ports (two RS232 and two RS422/485) and supports full monitoring and logging of serial communication for industrial control, automation, and diagnostic applications.




### 2. Key Features

- Four Independent Serial Ports:
Two RS232 ports (A, B) and two isolated RS422/RS485 ports (C, D).
Each RS232 port is paired with a corresponding RS422/485 port (A↔C, B↔D) for dual converter functionality.

- USB 2.0 Interface:
High-speed USB 2.0 device controller with plug-and-play capability.
Provides bus power and data communication to the host PC.

- Ground Isolation:
RS422/485 ports are galvanically isolated from RS232 and USB ground, preventing ground loops and ensuring safe operation in industrial environments.

- Auto Data Direction Control (ADDC):
Automatic transmit/receive switching for RS485 half-duplex communication.

- Selectable Interface Modes:
Each RS422/485 port can be configured via DIP switches for RS422, 2-wire RS485, or 4-wire RS485 operation, with optional 120 Ω termination.

- LED Indicators:
Individual TX/RX activity LEDs for each port (A–D) and a power indicator LED for visual status monitoring.

- High-Performance MOSCHIP MCS7840 Controller:
Integrated USB-to-multi-serial controller with 512-byte FIFO per port for efficient data buffering and reduced latency.

- USB Bus Powered (200 mA):
Operates directly from the USB port without external power supply; optional 5 V terminal input available for OEM integration.

- Metal Enclosure:
Durable, EMI-resistant housing suitable for industrial and laboratory environments.

- Comprehensive Software Support:
Compatible with Windows (32/64-bit) and Linux systems; includes drivers and RAYREAL monitoring software for real-time data analysis.




### 3. Technical Specifications

Physical Characteristics:
- Dimensions: 150 mm (L) × 84 mm (W) × 25 mm (H)
- Enclosure Material: Metal (EMI-shielded)
- Weight: Approx. 300 g (typical, including enclosure)

Power Requirements:
- Power Source: USB bus-powered (default)
- Current Consumption: 200 mA (typical)
- Optional Power Input: +5 V via terminal block (OEM mode)
- Power Ground: Common with RS232 signal ground

USB Interface:
- Connector: USB Type-B female
- Standard: USB 2.0 compliant
- Controller: MOSCHIP MCS7840
- FIFO Buffer: 512 bytes per serial port
- Data Rate: Up to 12 Mbps (USB full-speed)

RS232 Interface:
- Connector: DB9 male (Ports A, B)
- Number of Ports: 2
- Signal Pins: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI
- Ground: Common with USB ground
- Function: Local serial communication and monitoring

RS422/RS485 Interface:
- Connector: 5-pin screw terminal block (Ports C, D)
- Number of Ports: 2
- Signal Pins: TX+, TX−, RX+, RX−, Isolated GND
- Isolation: Each port isolated from USB and RS232 ground
- Configurable Modes: RS422 full-duplex, RS485 2-wire or 4-wire half-duplex
- Termination: 120 Ω selectable via DIP switch
- Auto Direction Control: Supported in RS485 mode

Environmental Conditions:
- Operating Temperature: 0 °C to 55 °C
- Storage Temperature: 0 °C to 65 °C
- Operating Humidity: 0 % to 95 % RH (non-condensing)
- Storage Humidity: 5 % to 95 % RH




### 4. Functionality

The ULOG485 functions as a dual-channel monitored interface converter and USB data logger. Each RS232 port (A or B) is internally linked to a corresponding isolated RS422/RS485 port (C or D), forming two independent converter sets:

- Set 1: RS232 Port A ↔ RS422/485 Port C
- Set 2: RS232 Port B ↔ RS422/485 Port D

Data received on any port is simultaneously:
1. Transmitted to its paired port (conversion function).
2. Sent to the USB host for monitoring and logging.

This architecture allows real-time observation of serial communication between devices without interrupting data flow. The USB host can capture, analyze, and record all traffic for diagnostic or audit purposes.

Typical Use Cases:
- RS232-to-RS485/RS422 conversion with monitoring capability.
- Industrial automation and SCADA communication debugging.
- Serial network diagnostics and protocol analysis.
- Data logging for sensors, PLCs, and controllers.
- Backup communication link for redundant serial systems.
- Laboratory and educational serial communication experiments.

Compatibility:
- Works with standard terminal emulators (TeraTerm, HyperTerminal).
- Fully supported by RAYON’s RAYREAL monitoring software for dual-port data visualization with time-stamped analysis.
- Compatible with Windows 98SE/ME/2000/XP/2003 (32-bit), Windows XP/2003 (64-bit AMD), and Linux kernel 2.6+.




### 5. Components & Accessories

Included Items:
- ULOG485 Main Unit (metal enclosure)
- U101 USB Cable: 6 ft USB Type-A to Type-B cable for PC connection
- Driver and Utility Software: Windows and Linux drivers, RAYREAL monitoring software package
- User Manual and Setup Guide

Optional Accessories:
- External +5 V power input via terminal block (for OEM integration)
- Replacement U101 cable
- Compatible monitoring and analysis software (RAYREAL, RAYMON)

Connectors Summary:
- USB Type-B (host connection)
- 2× DB9 male (RS232 ports A, B)
- 2× 5-pin screw terminal blocks (RS422/485 ports C, D)




### 6. Installation & Setup

Hardware Setup Procedure:
1. Configure Interface Type:
Use DIP switches to select RS422 or RS485 mode for each port (C, D).
- RS422: DIP bits 1–3 OFF
- 2-wire RS485: bits 1–3 ON
- 4-wire RS485: bit 1 ON, bits 2–3 OFF
- Termination resistor (120 Ω): bit 4 ON (enable) or OFF (disable)

2. Connect Wiring:
- Wire RS422/485 signals to terminal block (TX±, RX±, GND).
- Connect RS232 devices to DB9 connectors (A, B).

3. Connect USB Cable:
Attach the U101 cable between the ULOG485 and PC USB port.
The power LED will illuminate when powered.

4. Install Drivers:
- Windows: Run *MSSETUP.exe* or specify driver directory (Win98&ME or WinXP).
- Linux: Compile and load kernel module using `make`, `make load`, or `make install`.
- Device names: Windows COM3–COM6; Linux /dev/ttyUSB0–/dev/ttyUSB3.

5. Verify Operation:
Confirm LED indicators flash during data transmission.
Use terminal software or RAYREAL to monitor communication.

Mounting Options:
- Desktop or panel installation (metal enclosure with flat base).
- OEM integration via screw terminal power input.




### 7. Performance & Capabilities

- Data Throughput:
High-speed USB 2.0 interface with 512-byte FIFO per port ensures stable data flow and minimal latency.
Supports standard serial baud rates up to 921.6 kbps (depending on host system).

- Conversion Efficiency:
Real-time bidirectional data conversion between RS232 and RS422/485 without delay.
Auto-direction control eliminates manual RTS/CTS handling in RS485 mode.

- Monitoring Capability:
Simultaneous data capture from all four ports via USB host.
Enables full-duplex monitoring and logging of serial communication sessions.

- Reliability:
Ground isolation prevents electrical interference and damage from ground potential differences.
Metal housing provides mechanical protection and EMI shielding.

- Limitations:
- USB cable length limited to 5 m (standard USB specification).
- RS485 termination must be correctly configured to avoid signal reflections.
- Not designed for hazardous or high-voltage environments without additional protection.




### 8. Standards & Compliance

- USB Compliance: USB 2.0 Full-Speed (12 Mbps)
- Serial Standards: EIA/TIA RS232, RS422, RS485 compliant
- Isolation: Ground isolation between RS232 and RS422/485 circuits
- Environmental: Designed for industrial temperature and humidity ranges
- Regulatory: CE and FCC Class A (typical for industrial communication devices)
- RoHS Compliance: Lead-free manufacturing process




### 9. Additional Information

Warranty:
- Standard 1-year limited warranty covering defects in materials and workmanship.
- Excludes damage from misuse, electrical surges, or unauthorized servicing.
- Out-of-warranty repairs available at flat-rate service charge.

Support & RMA Procedure:
- Contact RAYON Technology via email before returning any product.
- Provide model number, serial number, and problem description.
- Obtain RMA number and return instructions from RAYON Service Center.

Maintenance:
- No periodic maintenance required.
- Keep connectors clean and dry; avoid mechanical stress on cables.
- Firmware updates and driver revisions available from RAYON’s website.

Software Tools:
- RAYREAL Utility: Dual-port serial monitor software displaying ASCII and HEX data with time stamps.
- Supports data logging, playback, and analysis of “Poll & Ack” communication sequences.
- Source code provided for customization.
- RAYMON Terminal Emulator: Displays hexadecimal data for low-level protocol analysis.
- Driver Updates: Available from [www.moschip.com](http://www.moschip.com) (MCS7840 chipset).

Related Products:
- UTS485 Box: Non-converter version with four independent serial ports.
- TWIN485 Box: Dual RS232-to-isolated RS422/485 converter.
- P422I / P485 PCI Cards: Multi-port isolated RS422/485 PCI interface cards.
- ULOG301-I / ULOG310-I Boxes: USB monitored converters with different isolation configurations.
- iLOG101 / iLOG110 Boxes: IP-based monitored converters for remote serial communication.

Applications Summary:
- Industrial automation and SCADA systems
- PLC and sensor network monitoring
- Serial communication debugging and protocol analysis
- Laboratory data acquisition and control
- Educational and research environments
- System integration and field diagnostics




### Summary

The RAYON ULOG485 is a robust, high-performance USB data logger and monitored interface converter integrating four serial channels with dual RS232-to-isolated RS422/RS485 conversion capability. It combines the convenience of USB connectivity with industrial-grade isolation and monitoring features, making it ideal for engineers, developers, and technicians who need to analyze, log, or troubleshoot serial communication systems.

With its MOSCHIP MCS7840 controller, auto-direction control, LED indicators, and RAYREAL monitoring software, the ULOG485 provides a complete solution for serial data conversion, isolation, and real-time analysis in one compact, USB-powered device.

No accessories available.