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Omron NX-SL3500 Safety CPU Unit for NX Series
SKU: NX-SL3500USD 470.00
Omron NX-SL3500 is a safety CPU unit for NX series, providing safety control for machine safety applications.
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Product Overview
The NX-SL3500 fits industrial control projects that require dependable logic execution, maintainable programming workflows, and architecture growth over the equipment lifecycle. It supports standardized automation design across machine families while preserving serviceability in production environments.
Deterministic Logic and Sequence Control
This controller class supports predictable scan-driven execution for interlocks, sequencing, alarms, and coordinated device handling. Deterministic behavior is essential for consistent machine output and repeatable cycle performance.
Platform Reuse Across Equipment Variants
Standardizing on a proven PLC/controller family enables software reuse, reduced engineering lead time, and easier support across multiple machine models or production lines.
Lifecycle Service and Maintainability
A maintainable control architecture with documented I/O mapping, diagnostics, and modular expansion strategy reduces troubleshooting time and improves long-term ownership value.
Key Features
- Safety Category: Category 4, PL e
- SIL: SIL 3
- Safety I/O: Via EtherCAT
- Communication: EtherCAT
- Supply Voltage: 24VDC
- Operating Temperature: 0 to +55°C
- SKU: NX-SL3500
- Series: NX
- Voltage: 24VDC
Best-Fit Applications
- Executes deterministic control logic
- Coordinates multi-device machine behavior
- Supports reusable software structures
- Improves fault diagnostics and recovery time
- Enables modular feature growth over time
- Standardizes control strategy across equipment
Buying Checklist
- Strong fit for scalable machine control
- Maintains deterministic automation behavior
- Supports long-term maintainability
- Good platform standardization candidate
- Reliable industrial controller ecosystem
Technical Specifications
| Model | NX-SL3500 |
|---|---|
| Series | NX |
| Type | Safety CPU Unit |
| Safety Category | Category 4, PL e |
| SIL | SIL 3 |
| Safety I/O | Via EtherCAT |
| Communication | EtherCAT |
| Supply Voltage | 24VDC |
| Operating Temperature | 0 to +55°C |
| Mounting | DIN rail |
| Certifications | CE, TUV, UL, CSA |
Resources & Downloads
FAQ for NX-SL3500
What safety rating does this unit provide?
Category 4, PL e and SIL 3 when used in properly designed safety circuit.
What safety devices can I connect?
E-stop buttons, safety gate switches, light curtains, two-hand controls, safety mats.
Does this unit monitor safety devices?
Yes, monitors connected safety devices for faults.
Can this unit replace safety relay?
Yes, NX-SL3500 is safety controller replacing traditional safety relays.
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