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 ATV21HD75N4 is a high-power Schneider Electric Altivar 21 variable frequency drive (VFD), engineered for efficient motor control in demanding industrial applications. This drive supports a power output of 75 kW (100 HP) and is designed for use with 480 V 3-phase supply voltages. It includes an integrated class A EMC filter to minimize electromagnetic interference, ensuring reliable operation within industrial electrical environments. With an IP20-rated enclosure, the unit is intended for installation inside protected electrical cabinets or control rooms.
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Brand | Schneider Electric |
| Product Range | Altivar |
| Subrange | 21 |
| Product Type | Variable frequency drives |
| Power Rating | 75 kW / 100 HP |
| Supply Voltage | 480 V |
| Enclosure Rating | IP20 |
| Dimensions | 63.00 cm x 32.00 cm x 29.00 cm |
| Weight | 48.50 kg |
| Product Phase | Phase-Out |
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Returns & Warranty

The ATV21HD75N4 is a high-power Schneider Electric Altivar 21 variable frequency drive (VFD), engineered for efficient motor control in demanding industrial applications. This drive supports a power output of 75 kW (100 HP) and is designed for use with 480 V 3-phase supply voltages. It includes an integrated class A EMC filter to minimize electromagnetic interference, ensuring reliable operation within industrial electrical environments. With an IP20-rated enclosure, the unit is intended for installation inside protected electrical cabinets or control rooms.
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Brand | Schneider Electric |
| Product Range | Altivar |
| Subrange | 21 |
| Product Type | Variable frequency drives |
| Power Rating | 75 kW / 100 HP |
| Supply Voltage | 480 V |
| Enclosure Rating | IP20 |
| Dimensions | 63.00 cm x 32.00 cm x 29.00 cm |
| Weight | 48.50 kg |
| Product Phase | Phase-Out |
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 |
Greyish White
|
| Country of origin |
France
|