Compare the seven displayed Solis US accessory pages

Open the exact source-derived page, then confirm inverter/system compatibility, wiring and protocol, firmware, US document scope, cloud/service terms, commissioning, availability and commercial terms.

S1-W4G-STAccessories

S1-W4G-ST

S1-W4G-ST data stick is a brand new one of a kind datalogger. This datalogger uses cellular technology to connect to Soliscloud. Not only does it have that, but you can also connect with WIFI. On top of that, the customer can use it as a WIFI stick during normal operations and when the WIFI goes down the datalogger will automatically switch to cellular. This will give you and your customers a seamless connection and a peace of mind

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S2-WL-STAccessories

S2-WL-ST

Solis' new generation of communication tools now can be ordered with either touch-safe, plug-and-play 4-Pin connectors or with standard USB connectors. Applicable to areas covered by a Wifi network or where a hardwire connection to the router is preferred, the new Solis Wifi-LAN "sticks" ensure data collection is faster and more reliable. These unique communication tools remotely transmit PV plant operation data to the SolisCloud monitoring system in real time. Connected to the SolisCloud, syste

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Solis-EPM3-5G-PROAccessories

Solis-EPM3-5G-PRO

The Solis Export Power Manager is the ideal solution for smart energy management both for residential and commercial systems. Using the simple LCD user interface, an overview of all important inverter and load energy data is available. PV energy can be used more efficiently, thereby significantly increasing self-consumption. Additionally, PV feed-in power can be limited to match country /utility requirments. Energy management with the Solis Export Power Manager allows for higher self-consumption

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S2-PLC-CCOAccessories

S2-PLC-CCO

S2-PLC-CCO (CCO: Central Controller) is applied in PV systems to achieve power line communication. Power Line Communication is transmission of data over the AC Wires of the system.

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Solis-RSD(1-2)L-1GAccessories

Solis-RSD(1-2)L-1G

The Rapid Shutdown Devices are certified to the UL 1741 PV inverter standard and comply to all 2014 National Electrical Code 690.2 Rapid Shutdown requirements. The devices are packaged inside NEMA 4X enclosures that fit neatly under the modules. When AC power to the building is cut, the RSD(s) will force the PV array to shut down.

UL 1741
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Solis-AC CombinerAccessories

Solis-AC Combiner

The AC combiner is a highly reliable device and should be used with a series PV inverter with an AC output voltage of 800V. There are several models to choose from, which are widely suitable for various AC combinations of PV systems.

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SolisCloudAccessories

SolisCloud

SolisCloud is the new generation of intelligent PV system monitoring. This new monitoring platform will empower you like never before. You will have full control of your system whenever and wherever you are. You will benefit from upgraded accurate fault alarm messaging that is adjustable to notify you within hours that fit meet your needs.

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Displayed accessory roles

Select accessories from the electrical and data function

Each page sits at a different point in the PV architecture. Start with the required function and supported-system evidence.

Dataloggers and communication tools

S1-W4G-ST and S2-WL-ST represent different connectivity routes. Confirm compatible inverter port, connector, device count, cellular/Wi-Fi/Ethernet path, account/server region, data frequency, remote functions and service fees.

Export power manager

Solis-EPM3-5G-PRO supports an export-control role. Confirm supported inverters, phase/voltage, meter/CT arrangement, measurement point, response/fail-safe behavior, communication topology and commissioning test.

PLC central controller

S2-PLC-CCO uses power-line communication in supported PV systems. Confirm inverter list, wiring topology, coupling/interface hardware, device capacity, communication limits, addressing, firmware and plant-control integration.

Rapid-shutdown devices

Solis-RSD(1-2)L-1G pages require exact module/inverter/system compatibility, input voltage/current and connector checks, transmitter or initiation path, array layout, installation method and applicable code/listing review.

AC combiner

The Solis-AC Combiner is electrical BOS, not monitoring hardware. Confirm inverter quantity/output, voltage/current, breakers, bus rating, enclosure, SPD/protection, cable entries, grounding, short-circuit rating and one-line design.

SolisCloud platform

SolisCloud is a monitoring platform whose operation depends on compatible logger/device, network, account and service. Confirm data scope, user roles, alerts/control authority, retention/export, cybersecurity and outage behavior.

Accessory RFQ checks

Six checks before adding a Solis accessory to the BOM

A reliable accessory specification connects the exact part to a supported inverter, one-line, firmware and required operating result.

Required function

Define monitoring, remote communication, export limitation, PLC aggregation, rapid shutdown, AC combining or cloud portfolio management; separate visibility from automatic control and safety functions.

Exact compatibility

List complete inverter and accessory codes, generation and firmware; request the current supported-device matrix, required connectors, gateways, meters/CTs, transmitters, cables and licenses.

Electrical topology

Provide phase/voltage, inverter quantity/output, AC/DC one-line, point of common coupling, meter and CT position/ratio/direction, RSD string/module arrangement, protection, grounding and conductor data.

Communication architecture

Map ports, physical media and protocol, addressing, device quantity, cable/power-line limits, gateway/controller, internet path, server region and third-party SCADA or API requirements.

Data, cloud and fail-safe

Define data frequency/retention/export, user roles, remote commands, credentials, cybersecurity, network loss, local fallback, export-control failure mode, subscriptions and long-term service expectations.

Evidence and commissioning

Request exact datasheet/manual, listing/certificate scope, wiring drawings, firmware/settings record, functional/shutdown/export tests, training, warranty/SLA, replacement, release status and lead time.

Compatibility and control boundaries

A Solis accessory page does not prove a complete compliant system

Exact equipment, wiring, firmware, project design and commissioning determine monitoring, control, shutdown and electrical safety.

Same brand is not universal compatibility

Ports, connectors, protocols, firmware, electrical ratings and supported lists vary by inverter generation and accessory. Confirm the complete combination in current documents.

Export control needs a correct measurement loop

Meter/CT location, direction, ratio, phase mapping, communication and settings determine control behavior. Require one-line review, fail-safe definition and commissioned import/export tests.

Rapid-shutdown wording is system-specific

An RSD listing or code statement does not approve every module, inverter, transmitter, connector or array layout. Verify the exact system combination and authority requirement.

Cloud monitoring is not guaranteed continuous control

Network, logger, account, server region, permissions and service status affect SolisCloud. Document local operation, data ownership, remote-control authority, fees and outage behavior.

Continue the accessory review

Connect the accessory BOM to PV design and procurement control

Use the commercial solution for system context and the BOM guide to keep exact parts, interfaces, files and exclusions auditable.

Solis US accessories FAQ

Questions to resolve before approving an accessory BOM

These answers support procurement; final wiring, compatibility, code compliance, cloud operation and commissioning remain system-specific.

Can any Solis datalogger or accessory work with any Solis inverter?

No. Confirm complete model codes, generation, firmware, physical connector/port, protocol, supported-device list and required intermediate hardware. Similar branding does not prove compatibility.

What is needed for reliable export power control?

Confirm compatible inverter and EPM, phase/voltage, meter/CT type, ratio, direction, phase mapping and location at the correct coupling point, communication and settings, fail-safe behavior and commissioned import/export tests.

Does a Solis rapid-shutdown device make every PV array NEC compliant?

Do not assume so. Review the exact RSD, module, inverter, transmitter/initiation equipment, connectors, voltage/current, array layout, installation instructions, listing scope and the code edition and authority requirements for the site.

What should a Solis accessories RFQ include?

Include required function, exact inverter and accessory codes/firmware, one-line and electrical ratings, meter/CT or RSD topology, communication/cloud/data needs, required documents/tests, quantity, destination, commissioning scope and schedule.

Solis US accessory procurement

Solis US Monitoring, Control, Rapid-Shutdown and AC Accessories

Compare seven displayed pages from the Solis US English catalogue: S1-W4G-ST and S2-WL-ST communications products, Solis-EPM3-5G-PRO export manager, S2-PLC-CCO controller, Solis-RSD(1-2)L-1G rapid-shutdown devices, Solis-AC Combiner and SolisCloud. These products perform different data, control, safety and electrical-combining roles; they are not interchangeable add-ons. Confirm the exact inverter/system model, ports and firmware, electrical topology, meter/CT or PLC wiring, cloud/network region, shutdown and code scope, AC rating, documents, commissioning, service terms and availability.

Prepare a Solis US accessory RFQ

Send the required function, exact inverter/firmware, accessory code, one-line and wiring, protocol/cloud scope, documents, tests, quantity and delivery target.

Build Solis Accessory RFQ
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