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| Category/version | digital input |
| Type/signal | standard digital |
| Channels | 4 |
| Value range (digital/encoder) | 24 V |
| Value range (analog) | - |
| Output current | - |
| Nominal voltage | - |
| Communication | K-bus |
| Technologies/ Highlights | extended shock and vibration range |
| Approvals | UL approvals, Explosion protection |
| PLC integrated | - |
| Input/output specification (digital) | positive switching, EN 61131-2, type 2 |
| Filter (digital) | 0.2 ms typ. |
| Signal resolution (analog) | - |
| Measurement error/ uncertainty (analog) | - |
| Sampling rate/ conversion time (analog) | - |
| Sampling type (analog) | - |
| Ground reference (analog/encoder) | - |
| Sensor supply (encoder) | - |
| Incr. limit frequency (encoder) | - |
| IO-Link Port Class | - |
| Feedback (compact drive technology) | - |
| Wiring | 1-wire, 2-wire |
| Connection method (signal) | spring-loaded technique, plug-in connection level |
| Connection method (bus interface) | - |
| Explosion protection | not intrinsically safe, ATEX Zone 2 (gas) |
| Safety technology/ functions | - |
| Safety Architecture | - |
| Safety Integrity Level (SIL) | - |
| Performance Level (PL) | - |
A: Hardware units ship with standard factory-default firmware. For proprietary programming software or specific firmware flashes required for legacy system compatibility, buyers must consult our technical support team during procurement to confirm licensing terms.
A: Our warehouse management system strictly tracks manufacturing date codes, especially for sensitive components like VFD electrolytic capacitors or rubber seals. We explicitly state product conditions on the listing and can provide batch date codes prior to shipment for critical applications.
A: OKmarts procures components directly from authorized manufacturers and verified tier-1 global distributors. Every product undergoes rigorous inbound inspection, featuring factory serial number tracking and original packaging verification to prevent any counterfeit or refurbished goods from entering the supply chain.
A: We strive to process refunds as quickly as possible. Once we receive the returned product, it usually takes a few business days to inspect and process the refund. The exact timeframe may vary depending on the payment method and your financial institution.
A: In order to prevent misuse or reselling, we may have quantity restrictions on certain products. These restrictions are typically mentioned on the product page or during the checkout process. If you require a larger quantity than allowed, please contact our customer service for further assistance.
A: Yes, for certain products, there might be minimum order quantity restrictions in place. This ensures efficient processing and cost-effectiveness for both parties involved. Please check the product details or contact our sales team for specific information on minimum order quantities.
Mar 17, 2026
Nov 10, 2025
High Efficiency
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