SG72A Communication Adapter USB to RS485 RS232 Converter Module For HGM Series Generator Controller

Product Specifications：

• · Model: Original Smartgen SG72A USB-RS485-RS232 Communication Conversion Adapter
• · Power Supply: DC 8~35V Wide Voltage (12V/24V Universal)
• · Interfaces: Mini USB, RS485 Terminal, RS232 Terminal
• · Communication Protocol: Modbus RTU, Baud Rate Adjustable
• · Protection: 2500V Isolation, TVS Lightning Surge Protection
• · Operating Temperature: -30℃ ~ +70℃
• · Net Weight: 0.2KG
• · Warranty: 6 Months Factory Warranty
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Cross Reference Part Numbers

Environmental & Mechanical Parameters

• Operating Temperature: -30℃ ~ +70℃; Storage Temperature: -40℃ ~ +80℃
• Relative Humidity: ≤95% non-condensing
• Shell Material: Flame-retardant ABS plastic, dustproof shockproof
• Overall Dimension: 160mm × 110mm × 60mm
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Wide Application Range

1. Smartgen HGM series diesel/gas generator controller PC local parameter debugging & data reading
2. Unattended power station SCADA upper computer remote monitoring data transmission module
3. Generator cloud monitoring platform signal acquisition, remote fault alarm & parameter modification
4. Original communication module damaged, unable to connect computer, no remote data upload function upgrade replacement
5. Generator OEM complete set control cabinet supporting, machinery repair shop bulk spare parts stocking

Key Product Features

1. Official Original Matching For Smartgen HGM Controllers, Perfect Communication Compatibility
   Dedicated firmware optimized for Smartgen Modbus protocol, no communication loss, no data garbled, fully compatible with all mainstream HGM controller models, no compatibility failure problem of generic conversion modules.
    
2. Three-In-One Multi-Interface Design: USB + RS485 + RS232, Multi-Scenario Universal
   USB connects laptop for on-site quick parameter calibration; RS485 long-distance bus for centralized cloud monitoring; RS232 for local serial debugging, meet all genset communication maintenance demands.
    
3. 2500V Full Isolation + Lightning Surge Protection, Avoid Equipment Surge Burnout
   Complete isolation circuit separates computer and generator strong-current system, suppress cabin high voltage surge, prevent controller or computer mainboard breakdown caused by ground potential difference, greatly improve system safety.
    
4. Wide DC 12/24V Power Supply, Directly Powered By Generator Battery
   No extra external power adapter required, directly take power from genset 12V/24V storage battery, convenient for mobile engineering machine and field power station wiring installation.
    
5. Plug-And-Play With Official PC Software, Simple Operation For On-Site Debugging
   Match Smartgen official configuration software, automatically identify module after USB connection, one-click read running hours, fault logs, voltage/frequency data, support batch parameter import & export.
    
6. Compact Flame-Retardant Housing, Adapt To Harsh Generator Cabin Environment
   Small size easy to install inside control cabinet, dustproof, anti-vibration, anti-electromagnetic interference, stable long-term operation in high-temperature, oily, strong vibration engine room environment.
    

Common Equipment Failures Solved

• Cannot connect computer to read genset running data, unable to modify controller protection parameters on site
• Ordinary non-isolated converter causes communication crash, data garbled, even burn controller and computer
• Single RS232 module cannot realize long-distance remote centralized monitoring of multiple gensets
• No surge protection, cabin high voltage surge easily damage communication module after long-time operation
• Generic conversion module incompatible with Smartgen proprietary Modbus data protocol, partial measurement data missin