

18-Channel Lock Control Board for Smart Lockers — RS485, 9-24V Industrial Grade
OEM lock control board with 18 lock outputs, RS485 + IO + relay interfaces, -40°C to 85°C industrial grade. For parcel lockers, pickup lockers, storage lockers and self-service kiosks.
Product Overview
The 18-channel RS485 lock control board is a core electronic control board for smart locker OEM projects. It manages 18 independent electric lock channels, communicates through RS485, and helps the main Android terminal or upper computer system open doors, read lock status, detect door magnetic status, and report abnormal conditions. It is a practical choice for compact and medium locker layouts where each cabinet section needs independent lock control without wasting unused channels. Typical projects include pickup cabinets, office parcel lockers, school storage lockers, laundry drop-off lockers, and spare-part cabinets. For integrators, the value is not only the number of channels but also predictable electrical behavior: 9V to 24V DC working voltage, 9V to 18V DC lock voltage, less than 3A unlocking current, low static current at 12V, and an industrial operating range from -40°C to 85°C. The board also includes reverse polarity protection, RS485 misconnection protection, lock short-circuit protection, surge protection, ESD Level 3 protection, waterproof and dustproof design, real-time channel indication, address configuration from 1 to 199, and support for multi-board cascading. It is suitable for cabinet makers that already have metal structure capability and need reliable control electronics, and for software companies that want to connect physical locker doors to their own cloud, mobile app, OMS, POS, or local platform.

Where It Fits in a Smart Locker System
This component is designed for OEM cabinet builders, smart locker integrators, and software platform teams that want to build their own parcel lockers, pickup lockers, laundry lockers, storage lockers, vending lockers, charging lockers, or internal asset lockers. It is not a complete cabinet by itself; it is a core control part used inside a complete smart locker solution.
- Smart parcel lockers and package pickup stations
- Self-service order pickup lockers for retail and staff handover
- Smart laundry and shoe service lockers
- Storage, file, tool, and asset lockers
- Smart vending cabinets and phone charging lockers
Integration Workflow
A typical integration connects the customer cloud, app, OMS, POS, or local management platform to the Android terminal or main controller. The terminal communicates with the lock control board through RS485, and the board drives each electromagnetic lock while returning lock status, door magnetic status, alarm information, and fault feedback to the upper system.

Technical Specification Highlights
Key specifications are listed below for engineering evaluation and procurement comparison.
| Model | LCM06-18-396-5557FB |
|---|---|
| Lock channels | 18 independent channels |
| Communication interface | RS485 |
| Baud rate | 9600 |
| Working voltage | 9V ~ 24V DC |
| Lock voltage | 9V ~ 18V DC |
| Unlock current | < 3A |
| Static current | <= 35mA at 12V |
| Operating temperature | -40°C ~ 85°C |
| Operating humidity | 0% ~ 90% RH, non-condensing |
| Board size | 140mm × 65mm |
| Address range | 1 ~ 199 |
| Protection functions | Reverse polarity, RS485 miswiring, lock short circuit, surge, ESD Level 3 |
OEM Buying Guidance
Before ordering samples or bulk quantities, confirm the cabinet door count, power supply plan, lock voltage, cable length, main controller type, communication protocol, address plan, and whether you need software support, API documents, custom firmware, or a complete screen plus board plus lock kit.
- Confirm cabinet door quantity and channel plan before selecting board capacity.
- Confirm 12V or 24V power design, lock voltage, cable routing, and installation space.
- Confirm whether your software team needs protocol documents, API support, sample testing, or firmware cooperation.
- For new OEM projects, evaluate the complete screen + lock control board + electromagnetic lock kit to reduce compatibility risk.

