Turnkey Bidding Documentation
We provide 2D/3D CAD models, branded technical datasheets, and certification documentation to help you submit winning tender proposals.
FOR SYSTEM INTEGRATORS (SI) · M&E CONTRACTORS · MACHINE BUILDERS & OEMS
Industrial Gateway Modbus MQTT & OEM Hardware for System Integrators
DeviceLab develops custom Industrial Gateways and embedded IoT hardware tailored for SIs, contractors, and machine builders — from schematic & firmware to white-label branding and commercial pilot batches.
When off-the-shelf COTS converters fail to fit DIN-rail space, lack field protocol compatibility, or drop critical telemetry during network disruptions: DeviceLab engineers robust industrial hardware under your brand. 2.5kV optical isolation against factory VFD noise, store-and-forward flash buffering to guarantee zero data loss, and custom register mapping. Crucially: DeviceLab stays behind the scenes — we never compete with our partners' clients.
- ✓ 2.5kV Optical Isolation: Immune to VFD noise & TVS voltage surges
- ✓ Store-and-Forward: 30–90 day local flash buffer, zero data loss
- ✓ 100% Partner Protection: Full white-label branding, zero client competition
Key Engineering Advantages for SIs & OEMs
- Engineered to your exact specs: Industrial-grade Modbus RS485 to Ethernet/4G LTE and MQTT gateways with local edge buffering, preventing data loss during network dropouts.
- 2.5kV Optical Isolation: Rugged design resisting severe vibration, TVS voltage spikes, and lightning surges; -40°C to +85°C operating range with 9–36VDC DIN-rail mount power.
- Comprehensive White-label: Ship hardware under your company brand (custom enclosure silk-screen, model nameplate, branded local Web Config interface), elevating margins and bidding differentiation.
- 100% Non-Compete Guarantee: DeviceLab operates strictly as a hardware R&D and manufacturing back-end, contractually guaranteeing never to sell directly to your end-clients.
- Flexible Quantities & Full IP Handover: Support from 1 prototype and 10–50 pilot units to high-volume production; complete schematic, Gerber, BOM, and firmware handover upon contract terms.
CUSTOM INDUSTRIAL GATEWAY ARCHITECTURE FOR SYSTEM INTEGRATORS (SI)
Field Devices
Modbus RS485 / Analog / Digital I/O
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DeviceLab White-label Gateway
SI Brand Logo · Custom Register Mapping
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Project Protocol
MQTT JSON / OPC UA / RESTful API
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SI / End-Client Platform
SCADA / On-Premise MES / Cloud
Technical Analysis
Ordinary Serial Converters vs DeviceLab Industrial Edge Gateways
Why cheap serial-to-ethernet converters (like USR-TCP232) introduce severe telemetry loss and crashing risks in critical industrial automation projects?
| Technical Criteria | Ordinary Serial Converters | DeviceLab Industrial Gateway |
|---|---|---|
| Data Transmission Mechanism | Passive transparent bridge only: passes raw byte streams without understanding Modbus message semantics. | Intelligent Edge Gateway: active Modbus polling, semantic parsing, and direct packaging into MQTT/JSON, HTTP POST, or OPC UA straight to Cloud/SCADA. |
| Network Dropout Handling | Permanent loss of all measurement telemetry during cable disconnections or cellular signal outages. | Local Edge Buffering (Store-and-Forward): automatically timestamps and logs data to local Flash, backfilling completely upon reconnection. |
| Electrical Noise Immunity | No or weak galvanic isolation; transceiver chips burn out and MCUs freeze when placed near heavy VFDs and contactors. | 2.5kV optical isolation across all RS485 ports, TVS surge protection, reverse-polarity defense, and -40°C to +85°C industrial temperature rating. |
| Failover Redundancy | Single Ethernet port or single 4G module only: broken cable results in total telemetry blackout. | Dual uplink: 10/100M Ethernet + 4G LTE Cat-1 Nano-SIM with seamless automatic failover if the primary link fails. |
| Branding & White-label | Closed proprietary firmware branded by overseas manufacturers, exposing hardware cost to competitors in tenders. | Custom firmware tailored to your project Register Map, delivered under your white-label brand to secure high bidding margins. |
Hardware Specifications
DeviceLab Industrial Gateway Hardware Specifications
| Central Processor | Industrial ESP32-S3 Dual-Core 240MHz, ARM Cortex-M4, or Embedded Linux (tailored to workload) |
|---|---|
| Field Communication Ports | 1 to 4 independent 2.5kV optically isolated RS485 ports, 1200 to 115200 bps, built-in 120Ω termination |
| Uplink Network Connectivity | 1x RJ45 10/100 Mbps Auto-MDIX Ethernet + Integrated 4G LTE Cat-1 cellular modem (Nano-SIM) |
| Industrial Protocols | Modbus RTU Master/Slave, Modbus TCP, MQTT / MQTTS (TLS 1.2/1.3), HTTP/HTTPS POST, WebSockets, OPC UA |
| Local Edge Buffer | Local SPIFFS / Flash memory storing 30–90 days of continuous telemetry during network outages |
| Power Supply & Protection | Wide-range 9–36 VDC industrial power, integrated EMI filter, reverse-polarity, over-voltage & over-current protection |
| Enclosure & Mounting | Extruded aluminum heatsink chassis or industrial flame-retardant ABS, standard 35mm EN 50022 DIN-rail mount |
| Operating Environment | Operating Temperature: -40°C to +85°C; Ambient Humidity: 5% to 95% RH (non-condensing) |
| Reliability & Monitoring | Dedicated independent hardware watchdog prevents MCU freeze; secure remote Firmware-Over-The-Air (OTA) updates |
Partnership Policies
Partner Protection & Collaboration Policies for SIs
100% Non-Compete Guarantee
We position ourselves strictly as your engineering R&D back-end. We sign non-compete agreements guaranteeing never to approach or quote your end-clients directly.
Flexible Batch Quantities
No punishing MOQ requirements. We support you from 1 prototype unit for bidding verification, provide pilot batches of 10–50 units, and scale manufacturing seamlessly upon project award.
100% Intellectual Property Handover
For custom hardware designs: complete schematics, Gerber PCB files, BOM lists, and firmware source code are fully transferred per contract.
System Integrator Challenges
Critical Hurdles When Relying on Generic Off-The-Shelf Converters
Real-world technical obstacles that frequently jeopardize project commissioning and acceptance sign-offs.
Proprietary field protocols fail to parse
Sensors or machinery use custom Modbus variations; generic commercial gateways cannot poll the non-standard register addresses.
Network dropouts cause data gaps & failed sign-offs
Cheap converters lack local buffers. Brief LAN interruptions cause broken historical energy charts, failing client audit acceptance.
Factory electrical noise freezes converters
Non-isolated transceivers crash from high VFD voltage spikes, forcing engineers to make costly emergency site trips just to power-cycle hardware.
No white-label capability exposes project margins
Deploying well-known commercial brand converters allows competitors to dissect hardware costs, shrinking integration contract margins.
DeviceLab Engineering Solutions
Rock-Solid Hardware Enabling SIs to Deliver Confident Deployments
Flexible customization across 3 distinct tiers tailored to your tender timeline and budget.
Firmware customization on proven hardware
Write custom protocol drivers, convert Modbus RTU/TCP to MQTT/JSON, and run edge filtering on production-validated hardware.
OEM / White-label with your brand identity
Silk-screen your company logo, customize DIN-rail enclosures, and brand the local Web Configuration portal under your name.
Custom hardware & PCB design from scratch
For high-volume contracts or specialized environments: design custom circuit boards, custom I/O configurations, and dedicated firmware.
End-to-end commissioning technical support
Provide register mapping sheets, wiring guides, and assign dedicated hardware engineers to assist during client site acceptance testing (SAT).
Cooperation Workflow
Structured 4-Step Partnership Process for SIs & DeviceLab
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01
01 — Mutual NDA & Technical Requirement Analysis
Submit tender criteria or owner specifications. Both parties execute a binding NDA and establish the optimal hardware architecture.
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02
02 — Solution Selection & Transparent Turnkey Quotation
DeviceLab proposes either firmware adaptation on standard hardware, OEM white-labeling, or bespoke PCB development with clear timeline and costs.
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03
03 — Working Prototype & Field Validation
We deliver prototype evaluation units for the SI to test against actual field machinery and central SCADA platforms before mass production.
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04
04 — Pilot Batch Manufacturing & Handover
Manufacture initial pilot batch, supply technical datasheets, and provide engineering backup throughout formal client acceptance testing.
Deliverables & Rights Handover for SIs
- Industrial Gateway hardware delivered under your exclusive brand (turnkey White-label)
- Precision 2D/3D CAD models and branded technical datasheets for tender and acceptance files
- Comprehensive Register Map documentation and field engineer configuration manuals
- Firmware equipped with secure remote OTA update capability, with source code handed over per contract
- Contractual non-compete commitment and fast 1-to-1 replacement hardware warranty
Ideal Partnership Fit
- System Integrators executing SCADA, MES, EMS, and Industrial IoT projects requiring tailored gateways
- M&E and electrical engineering contractors requiring dependable, industrial-grade converter hardware
- Machinery builders and automated production line OEMs needing branded IoT connectivity modules
- Industrial software companies seeking a dependable hardware R&D partner to deliver complete turnkey solutions
- Inquiries seeking only a single cheap educational converter for student projects without industrial reliability needs
- Consumer-grade or smart-home projects that do not require industrial DIN-rail or optical isolation standards
Related Projects & Technical Literature
Featured OEM Projects & In-Depth Technical Guides
OEM/ODM Hardware R&D & Manufacturing Services
Detailed tiers of hardware customization from modular firmware adaptations to bespoke PCB development.
Read more →Case Study: Modbus-MQTT Gateway with 4G Fallback
Optically isolated RS485 gateway with local edge buffering deployed for smart energy contractors.
Read more →Industrial RS485 Noise Immunity (Optical Isolation & TVS Surge)
PCB design techniques for high-noise industrial environments, optical isolation, and surge protection.
Read more →Industrial IoT Modules: When to Transition to Custom Hardware?
Quantitative break-even analysis comparing off-the-shelf COTS hardware vs custom R&D investments.
Read more →FAQ
SI & OEM Partnership FAQs
Does DeviceLab ever approach or sell directly to our end-clients?
Absolutely not. DeviceLab guarantees 100% partner protection through legally binding NDAs and non-compete contract clauses. We operate strictly as an engineering R&D and manufacturing back-end, never competing for your project clients.
Can we order gateways branded entirely with our company logo and model name?
Yes, completely. We provide turnkey White-label services: laser silk-screening your logo on DIN-rail enclosures, technical nameplates, and branding the local Web Configuration portal with your corporate identity.
What is the Minimum Order Quantity (MOQ) for custom gateways?
DeviceLab does not enforce restrictive MOQs. We support you from 1 prototype unit for bidding verification, provide pilot batches of 10–50 units, and scale manufacturing seamlessly upon project award.
How does the gateway handle telemetry during cellular or network dropouts?
Gateways feature built-in Store-and-Forward architecture with local Flash buffering. All polled Modbus telemetry is continuously timestamped and saved locally, automatically transmitting upon link recovery to ensure 0% data loss.
What if field machinery uses non-standard or proprietary Modbus variations?
DeviceLab embedded firmware engineers write custom protocol drivers mapped precisely to the vendor Register Map, ensuring 100% register compatibility and smooth conversion into MQTT/JSON.
Are hardware design files and firmware source code handed over to us?
Yes. Depending on the contract agreement, DeviceLab provides complete schematics, Gerber PCB files, Bill of Materials (BOM), and copyrighted firmware source code.
Need a Gateway Engineered Exactly to Project Specs?
Send us your technical criteria or tender specs today. DeviceLab hardware engineering team will review requirements and deliver a proposal within 24 hours.
✓ Mutual NDA before detailed exchange · ✓ Engineer response within 24 hours · ✓ Zero obligation