HySecurity MX3679, PCBA, DRIVE CONNECTOR ADAPTER
The HySecurity MX3679 drive connector adapter board is a specialized interface board used with HySecurity AC Power Supply with HyInverter AC systems. It plugs into the Smart Touch Controller and provides the connection point for the HyInverter AC drive-adapter wiring, including ModBus RTU via RS-485 wiring in supported installations. This board matters because it allows the inverter/controller communication path to land correctly at the operator control system. A wrong board, forced connector, reversed wiring, or damaged pins can cause communication faults or controller damage. It should be handled as an OEM electronic interface part and matched to the exact HyInverter AC installation manual and operator wiring layout.
Compatible With
- HySecurity AC Power Supply with HyInverter AC installations where MX3679 is specified
- Select HySecurity hydraulic gate operators using Smart Touch Controller with HyInverter AC interface wiring
- ModBus RTU via RS-485 drive-adapter board connection applications described in HyInverter AC documentation
- Applications using the HyInverter AC controller and STC drive adapter board connection
- Not a Smart Touch Controller replacement, Smart DC Controller, receiver, loop detector, or generic RS-485 converter
Features and Specifications
| Manufacturer | HySecurity / Nice HySecurity |
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| Product Type | Drive connector adapter PCBA |
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| Part Number | MX3679 |
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| Application | HyInverter AC to Smart Touch Controller interface |
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| Communication | ModBus RTU via RS-485 in supported systems |
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| Compatible Operator Type | Select hydraulic gate operators with HyInverter AC |
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| Included Components | Adapter board only unless otherwise specified |
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| Notes | Connector is keyed; do not force installation |
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Also Known As / Related Part Numbers
- MX3679
- HYS-MX3679
- HySecurity MX3679
- Nice HySecurity MX3679
- PCBA Drive Connector Adapter
- PC Board Adapter HyInverter AC to STC Board
- Drive Adapter Board MX3679
- Smart Touch Controller Drive Adapter Board
- Related HyInverter AC controller reference: MX3511, verify by manual
Technician Note
This is an OEM HySecurity service part. Match the part number, operator model, original assembly, and current parts diagram before ordering. Similar HySecurity parts can look close but may use different dimensions, wiring, connectors, handing, or operating functions.
Before Ordering Checklist
- Confirm the HySecurity operator model and product family.
- Compare the original part number or parts diagram to MX3679.
- Check related components for wear, damage, corrosion, fluid leaks, heat damage, or misalignment.
- Verify voltage, wiring, connector style, mechanical size, handing, and hardware where applicable.
- Do not bypass safety devices, circuit protection, or required entrapment protection while diagnosing the operator.
Professional Advisory
Gate and barrier operators can move heavy equipment and may include stored energy, hydraulic pressure, battery power, and high-voltage circuits. If the system is damaged, leaking, repeatedly tripping a breaker, moving unpredictably, or missing required safety devices, have it inspected by a qualified gate technician before returning it to service.
Product Questions and Answers
Is MX3679 the main control board?
No. MX3679 is a drive connector adapter board used between HyInverter AC wiring and the Smart Touch Controller in supported installations.
Where does MX3679 connect?
HySecurity documentation shows MX3679 plugging into the Smart Touch Controller and receiving the drive-adapter wiring from the HyInverter AC system.
Can I use it as a universal RS-485 adapter?
No. It is an OEM HySecurity adapter board for specific HyInverter AC / STC applications.
What should be checked before installing it?
Check the operator wiring diagram, HyInverter AC manual, connector orientation, RS-485 wiring, and original board part number.
Who should install this board?
Because this part involves control wiring and inverter communication, installation by a qualified gate technician is recommended.
