Design Essentials for Monitored Tigo Systems

Everything you need to design with TS4-A-O, TS4-A-S, TS4-X-O, and TS4-X-S

• TS4 Compatibility with Bifacial PV Modules
Applies to: All Tigo TS4 unitsRelevant Standards: NEC 690.8, IEC 61215, UL 1741, UL 3703OverviewBifacial PV modules can generate current from both the front and rear sides. This additional rear-sid... See more
• Intro to Tigo TS4-A-O/S/M (Monitoring Group)
The first step of creating a Tigo TS4 system with module-level monitoring is understanding the various components and their unique features.  NOTE: For systems using TS4-A-O/-S/-M modules, a TAP co... See more
• [Legacy] Tigo Gateway Placement
OverviewThe Tigo Gateway is a legacy communication device used with older Tigo monitoring systems. Proper Gateway placement is essential for reliable communication with Tigo optimizers and accurate... See more
• Design Considerations - Setback Distance Calculation for Shaded Arrays
This article provides a general overview of shade mitigation and system design when using Tigo's optimization products (TS4-A-O). Tigo TS4-A-O Optimizer   Introduction Shading issues (caused by tr... See more
• TAP Placement and Layout Requirements
ImportantFollowing these placement practices is critical for reliable monitoring and rapid shutdown communications. Ignoring these recommendations can result in communication failures and additiona... See more
• Installer Companion Guide – TS4, CCA, and TAP Installation & Design
Before designing or installing a TS4 system: Review Before You Install: TS4 System Design Requirements for the technical requirements that apply to your system configuration.Applicable Products: T... See more
• How to Calculate PV Module Current Correction for High Irradiance Locations
This article explains how to perform a current correction for irradiance in areas with higher-than-normal irradiance values (greater than 1000W/m²). High-altitude areas typically experience irradia... See more
• TS4 Systems - Blind Deployment
This article expands upon the definition of Blind Deployment with TS4 systems. For a definition of other deployment options, see TS4 Systems - Methods of Deployment.Important Safety Notice:Before d... See more
• TS4 Systems - Selective Deployment
This article expands upon the definition of Selective Deployment with TS4 systems. For a definition of other deployment options, see TS4 Systems - Methods of Deployment.Important Safety Notice:Befo... See more
• TS4 Systems - Partial Deployment
This article expands upon the definition of Partial Deployment with TS4 systems. For a definition of other deployment options, see TS4 Systems - Methods of Deployment.Important Safety Notice:Before... See more
• TAP Basics - What is a TAP?
This article covers the basics of a TAP (Tigo Access Point): Content:  TAP Description TAP Wiring TAP Communications Mesh Requirements   TAP Description The TAP is a wireless radio transceiver (... See more
• TS4 Systems - Methods of Deployment
This article summarizes how you can mix and match the Tigo TS4s in the same array using the following methods: Full deployment Selective deployment Partial deployment Blind deployment TS4-O and T... See more
• Description of Tigo CCA Kits
Tigo's Cloud Connect Advanced (CCA) is a data logger that maintains, collects, and uploads information to the Tigo web servers and also provides the system-wide Rapid Shutdown (RSD) safety solution... See more