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Schneider Electric VW3A3424 Altivar HTL Encoder Interface Module VFD Accessory
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- Description
The Schneider Electric VW3A3424 is a high-threshold logic (HTL) encoder interface module that connects a 12 V, 15 V or 24 V DC incremental encoder to Altivar Process ATV900, Altivar Process Modular and Altivar Machine ATV340 drives. Feedback wiring terminates on a removable spring connector, and the module operates up to a 300 kHz maximum frequency over cable runs of up to 500 m.
Technical Specifications
| Reference | VW3A3424 |
| Brand | Schneider Electric |
| GTIN | 3606481211491 |
| Range | Altivar |
| Product or Component Type | Encoder interface module |
| Range Compatibility | Altivar Process ATV900, Altivar Process Modular, Altivar Machine ATV340 |
| Encoder Type | High threshold logic (HTL) |
| Rated Supply Voltage (Us) | 12 V DC, 15 V DC, 24 V DC |
| Maximum Supply Current | 0.2 A at 12 V DC, 0.175 A at 15 V DC, 0.1 A at 24 V DC |
| Protection Type | Short-circuit protection, overload protection |
| Maximum Cable Distance | 500 m |
| Maximum Operating Frequency | 300 kHz |
| Input Signal | Push-pull differential A/AB/B, push-pull single-ended A or AB, open collector differential A/AB/B, open collector PNP/NPN A or AB |
| Connector Type | 1 removable spring connector |
| Net Weight | 0.15 kg |
Selection Notes
Specify the VW3A3424 when the encoder outputs an HTL (high-threshold logic) signal rather than a TTL or RS422 level - HTL's higher noise margin suits longer cable runs, and this module supports up to 500 m versus the 100 m typical of TTL/RS422 interfaces. It accepts push-pull or open-collector, single-ended or differential wiring, matching whichever output stage the encoder provides.