Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
The ATV212HD22N4S is a Variable Frequency Drive (VFD) from the Altivar 212 series, specifically engineered for HVAC and pump control applications. This drive provides precise speed and torque regulation for three-phase asynchronous motors, supporting a nominal power rating of 22 kW (30 HP) and a rated current of 43.5 A. It operates on a 3-phase supply voltage ranging from 380 V to 480 V AC.
Equipped with an integrated EMC filter (Category 2 or 3 compatible), this drive is designed to reduce electromagnetic emissions, ensuring compliance in standard industrial and commercial building environments. With an IP21 ingress protection rating, it provides reliable defense against solid objects larger than 12.5 mm. Although now classified as an Obsolete product, the Altivar 212 remains a trusted solution for managing fluid handling and ventilation systems in existing infrastructure.
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Brand | Schneider Electric |
| Range | Altivar |
| Subrange | 212 |
| Model | ATV212HD22N4S |
| Type of Product | Variable Frequency Drive |
| Power Rating | 22 kW / 30 HP |
| Output Current | 43.5 A |
| Supply Voltage | 380...480 V (3-Phase) |
| Ingress Protection | IP21 |
| Dimensions (LxWxH) | 24.50 cm x 40.50 cm x 19.00 cm |
| Weight | 11.64 kg |
| Product Phase | Obsolete |
| Commodity Code | 85044095 |
Global Express Shipping
Returns & Warranty

The ATV212HD22N4S is a Variable Frequency Drive (VFD) from the Altivar 212 series, specifically engineered for HVAC and pump control applications. This drive provides precise speed and torque regulation for three-phase asynchronous motors, supporting a nominal power rating of 22 kW (30 HP) and a rated current of 43.5 A. It operates on a 3-phase supply voltage ranging from 380 V to 480 V AC.
Equipped with an integrated EMC filter (Category 2 or 3 compatible), this drive is designed to reduce electromagnetic emissions, ensuring compliance in standard industrial and commercial building environments. With an IP21 ingress protection rating, it provides reliable defense against solid objects larger than 12.5 mm. Although now classified as an Obsolete product, the Altivar 212 remains a trusted solution for managing fluid handling and ventilation systems in existing infrastructure.
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Brand | Schneider Electric |
| Range | Altivar |
| Subrange | 212 |
| Model | ATV212HD22N4S |
| Type of Product | Variable Frequency Drive |
| Power Rating | 22 kW / 30 HP |
| Output Current | 43.5 A |
| Supply Voltage | 380...480 V (3-Phase) |
| Ingress Protection | IP21 |
| Dimensions (LxWxH) | 24.50 cm x 40.50 cm x 19.00 cm |
| Weight | 11.64 kg |
| Product Phase | Obsolete |
| Commodity Code | 85044095 |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Black
|
| Country of origin |
France
|