Jinlang 4-Pin Data Acquisition Adapter with Integrated Housing

Important Note: IP67 waterproof and dust-proof performance is only guaranteed under correct installation. The rubber sealing gasket must be flat between the flange and cabinet panel, and the matching standard M19-A code 4-pin male plug must be fully screwed and tightened. Improper tightening torque, offset gasket or non-standard mating plug will cause water and dust ingress and damage internal signal contacts. This Jinlang 4-pin data acquisition adapter is specially used for inverter data collection, sensor signal acquisition and field debugging. It shall not be applied for high-current power loads exceeding 4 A per-pin rating. The ribbed housing provides passive heat dissipation during continuous signal acquisition operation.

This Jinlang 4-pin data acquisition adapter is a customized industrial panel-mount signal component tailored for Jinlang solar inverter and photovoltaic power station data collection scenarios. Unlike discrete bare M19 sockets sold on the market, this unit is supplied as a fully pre-assembled finished assembly, integrating M19 4-pin A-code female receptacle, threaded locking mechanism and large protective outer housing as one complete piece. Installers only need to pass the threaded connector head through the pre-drilled cabinet hole and fasten the lock-nut to complete panel installation. No complicated manual assembly of scattered gaskets, insulators and rear shells is required. It effectively reduces on-site assembly errors in photovoltaic cabinet mass production. The product solves common industry pain points such as unstable data acquisition signal caused by dust, moisture and salt fog, complicated field wiring, high failure rate of exposed acquisition ports, and low assembly efficiency for inverter cabinet production lines.

First of all, factory pre-integrated all-in-one structure lowers on-site assembly difficulty and failure risk. Many conventional M19 panel-mount solutions require workers to assemble separate socket, sealing gasket and rear housing step-by-step on production site. Mis-aligned gaskets or missing spare parts directly lead to water vapor penetration and early-stage product failure. This Jinlang 4-pin data acquisition adapter finishes all internal assembly procedures inside controlled factory workshops. End users only perform simple panel mounting operations. The large-size black outer housing offers reliable mechanical collision protection for rear wiring terminals inside the cabinet, preventing crimped or soldered signal wires from being scratched and damaged during cabinet transportation and on-site installation. The rib structure distributed on housing side improves passive heat dissipation performance during long-time continuous data acquisition work. For mass production of Jinlang inverter cabinets, this integrated design shortens assembly cycle and reduces manual production cost.

Secondly, IP67-grade dual-seal waterproof and dust-proof performance adapts to harsh photovoltaic field environment. After standard panel installation and full mating with matched M19-A code 4-pin male plug, the connector reaches IP67 protection level. It is fully dust-tight and can resist short-term 30-minute immersion under one-meter water depth. Double rubber sealing structures are configured both on panel mounting surface and thread mating interface. It effectively blocks rain splash, dew condensation, workshop oil mist, metal dust and coastal salt-fog erosion. In actual photovoltaic power station sites, exposed data acquisition interfaces are easily oxidized and corroded by outdoor humid air, resulting in intermittent acquisition signal, data loss or even short-circuit fault. This panel-mount acquisition adapter extends the internal acquisition signal port to cabinet outer surface with reliable sealing performance, greatly improving long-term operation stability of inverter data collection function.

Thirdly, gold-plated contact terminals deliver stable acquisition signal transmission performance. High-conductivity copper-alloy contacts with gold plating keep low contact resistance under long-term running status. Gold-plated layer provides excellent anti-oxidation capability even in high-humidity outdoor power-station environment. This M19 A-code 4-pin acquisition adapter supports digital communication signal, sensor analog acquisition signal and low-voltage auxiliary power supply. It can cooperate with Jinlang inverter to realize real-time collection of operating parameters, equipment status data and environmental sensing data. Thread screw-locking mating structure brings outstanding anti-vibration and anti-shock capability. Under continuous mechanical vibration generated by inverter fans and on-site equipment, screw-thread locking avoids accidental plug loosening which frequently occurs for push-pull-style connectors, ensuring uninterrupted data acquisition loop for photovoltaic system.

Fourthly, flexible threaded nut panel mounting fits diversified cabinet design requirements. It supports panel thickness ranging from 1 mm to 8 mm. It can be installed on metal steel cabinet, aluminum enclosure and plastic control box. Threaded lock-nut provides stable clamping force for panel surface. It is applicable for new inverter mass production as well as field retrofit and upgrade of existing running photovoltaic equipment. Operating temperature covers wide range to adapt outdoor power station conditions, whether cold low-temperature outdoor environment or inside sealed cabinets with heat accumulation. All raw materials comply with RoHS environmental directives, satisfying component procurement requirements for export-oriented photovoltaic inverter projects.

Fifthly, it optimizes on-site commissioning and data-acquisition workflow for photovoltaic stations. Traditional internal-installed acquisition interfaces require technicians to repeatedly open sealed inverter cabinet cover for plugging-in and reading data. Frequent cabinet opening will destroy original cabinet-level sealing performance and expose internal mainboard circuits to outdoor dust and moisture. By adopting this panel-mount 4-pin data acquisition adapter, field engineers can connect acquisition cables directly outside cabinet without opening cabinet housing. Equipment status reading, parameter debugging and data downloading work can be completed conveniently. It reduces unexpected equipment downtime and lowers risk of internal circuit contamination.

Core advantage summary list:

• Factory pre-assembled integrated housing-style M19 acquisition adapter, no scattered-parts manual assembly
• IP67 dual-seal waterproof and dust-proof, suitable for harsh outdoor photovoltaic power-station environment
• Gold-plated copper contacts, anti-oxidation, guarantee stable analog and digital data acquisition signal
• Thread screw-locking mating design, excellent anti-vibration performance for inverter working condition
• Ribbed protective housing with passive heat-dissipation function for rear signal-wiring zone
• Support photovoltaic inverter data collection, sensor signal transmission and max 4 A low-voltage auxiliary power supply
• Threaded lock-nut panel mounting, compatible with 1-8 mm thickness metal and plastic cabinet panels
• Wide ambient temperature adaptability, fit for outdoor solar power-station application
• RoHS-compliant raw materials, meet procurement standard for global export photovoltaic projects
• Avoid frequent cabinet opening, simplify field data acquisition and on-site commissioning operations

This Jinlang 4-pin data acquisition adapter with integrated housing is specially developed for new-energy photovoltaic industry, mainly deployed in application scenarios requiring external sealed data-acquisition interfaces for solar inverters and power-station cabinets.

1. Jinlang Grid-Tied Solar Inverter Cabinets

Solar grid-tie inverters need reserved external interfaces for operating-data collection, status monitoring and on-site debugging. Install this 4-pin data acquisition adapter on inverter cabinet panel, extending internal acquisition signal to cabinet exterior. IP67 sealing structure protects signal contacts from outdoor dew, dust and salt-fog erosion. Field technicians can connect acquisition cables outside cabinet without opening inverter housing, to obtain real-time running data of photovoltaic inverter. It fits distributed rooftop photovoltaic stations and large-scale ground-mounted solar power plants.

2. Photovoltaic Power-Station Data Acquisition Cabinet

Centralized data acquisition cabinets inside solar power stations need multiple external signal interfaces to connect string sensors, irradiance sensors and temperature-humidity sensing probes. This rugged M19-based acquisition adapter realizes stable signal access. The integrated protective housing reduces damage risk for rear wiring during transportation and site construction, improving whole-station data collection reliability.

3. Energy-Storage and Photovoltaic Hybrid Cabinet

Solar-storage hybrid equipment requires data interaction between inverter, battery management system and external monitoring terminals. This 4-pin acquisition adapter serves as sealed external signal gateway, transmitting inverter operating data and system status information. Thread-locking anti-vibration property adapts to vibration environment caused by cooling fans inside hybrid cabinets.

4. Outdoor Environmental Monitoring Terminal for PV Station

On-site environmental monitoring terminals of photovoltaic power stations collect illumination, ambient temperature, module surface temperature and wind-speed data. This IP67-rated acquisition adapter provides stable connection for external sensors, coping with complex open-air weather conditions such as sun exposure, rain and dew.

5. Photovoltaic Industry On-Site Portable Debugging Equipment

Portable commissioning instruments used by operation-and-maintenance engineers for photovoltaic sites adopt this acquisition adapter as external signal port. Pre-integrated housing simplifies instrument assembly process and enhances equipment environmental resistance for field work.

6. Industrial Control Cabinet for Distributed New-Energy System

Distributed photovoltaic and small-scale solar-storage projects use on-site industrial control cabinets. This panel-mount acquisition adapter realizes external sealed signal access, avoiding internal circuit contamination caused by frequent cabinet opening during regular inspection and data reading.

Q1: What connector type is this Jinlang 4-pin data acquisition adapter? Can I use M19 D-code plug for mating?
A1: This adapter adopts M19 A-code 4-pin female receptacle. Please only select standard M19 A-code 4-pin male plug for mating. M19 D-code is for Ethernet communication and cannot match with this product, which will lead to poor contact and signal failure.

Q2: Under what condition can this adapter reach IP67 waterproof rating? Can it run under permanent water submersion?
A2: IP67 performance is achieved only on condition of correct panel installation, flat-placed rubber sealing gasket, and M19-A code male plug fully screwed-tight. It supports short-term 30-minute immersion under one-meter water depth, applicable for rain splash, dew and dusty power-station environment. It is NOT designed for long-term underwater working. Offset gasket or insufficient tightening torque will invalidate waterproof performance.

Q3: What is maximum rated current per pin? Can it be used for high-power power transmission?
A3: The rated continuous current for each single pin is 4 A. This product focuses on signal acquisition and low-voltage auxiliary power supply. Do not apply it for high-current power transmission exceeding 4 A. Over-current load will trigger over-heating and permanent damage to contact terminals.

Q4: Which panel thickness is acceptable?

A4:Applicable panel thickness ranges from 1 mm to 8 mm, suitable for steel metal cabinet, aluminum panel and plastic enclosure. Confirm actual cabinet thickness before drilling mounting aperture.

Q5: Does the product include supporting M19 male plug and acquisition signal cable?
A5: Only the Jinlang 4-pin data acquisition adapter body is delivered. Matching M19 male plug and acquisition cables are not contained in package. Customers need to purchase mating cables and plugs according to actual project requirements.

Q6: What is operating temperature range for this acquisition adapter?
A6: It can work stably within wide temperature range adapting to photovoltaic site conditions. Avoid long-time operation exceeding temperature specification. For high-heat-generation inverter cabinets, corresponding heat-dissipation measures should be equipped.

Q7: Signal data is intermittent after long-time outdoor running. What items need to be checked?
A7: Check the following key points: confirm panel lock-nut is fully tightened; verify M19 male plug thread has been screwed to proper torque; check whether dust and dirt accumulate inside female insulator cavity; inspect rear wiring terminals for loose or cold-solder joints. Gently clean contact surface; never scratch gold-plated contacts by sharp metal tools. Replace whole unit if housing, insulator or contacts suffer physical damage.

Q8: Can I disassemble the outer integrated housing of this acquisition adapter?
A8: This is factory pre-assembled finished unit. Disassembling outer housing will destroy built-in sealing structure, resulting in loss of IP67 performance and product warranty. Rear wiring operations shall be completed inside original housing space without disassembly.

Q9: Is this adapter RoHS compliant for overseas photovoltaic export projects?
A9: Yes, housing, contact terminals and insulator materials all comply with RoHS environmental-protection standards, meeting component procurement requirements for most global photovoltaic export projects.

Q10: Can this 4-pin acquisition adapter transmit Profinet industrial-Ethernet signal?
A10: No. M19 A-code is for sensor signal and data acquisition. Profinet communication needs M19 D-code connector. Please select correct code-type connector according to your communication protocol.

Thank you for reading the product document of Jinlang 4-Pin Data Acquisition Adapter with Integrated Housing. Our enterprise specializes in research-and-development, design and manufacturing of industrial waterproof panel-mount connectors, new-energy customized acquisition adapters, M19 circular sensor connectors, aviation plugs and custom wiring-harness solutions. Our components are widely supplied for solar photovoltaic inverter, energy-storage PCS converter, power-station control cabinet, new-energy O&M equipment and industrial automation industries. We provide standard off-the-shelf connector products, meanwhile support structural and circuit custom-modified services for special project requirements of Jinlang and other new-energy clients.

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