1.Product Overview
The Pilz 774306 PNOZ m B1 is the core base unit of the PNOZmulti 2 modular safety system, engineered for scalable automation safety solutions. Designed with SIL 3 / PL e certification (ISO 13849-1), this configurable controller replaces traditional relay stacks with a centralized, programmable platform. Housed in a compact 45mm-wide DIN-rail module, it integrates 14 safety inputs and 10 safety outputs (5 semiconductor + 5 relay), supporting both standard and advanced safety functions. An integrated OLED display enables on-device diagnostics, while USB/Ethernet ports facilitate software configuration. Its 24VDC (±20%) operation ensures compatibility with industrial control systems worldwide, with UL 1998 and IEC 61508 compliance for high-risk applications requiring fail-safe performance.
2.Key Technical Specifications
Critical operational parameters:
- Safety Ratings: PLe Cat.4 (ISO 13849-1), SIL 3 (IEC 62061)
- Input Channels: 14 configurable inputs (24VDC, sink/source; accepts contactors, light curtains, E-stops)
- Outputs: 5 OSSD (semiconductor, 0.5A) + 5 relay (6A @ 250VAC/30VDC)
- Processing Speed: <15ms logic cycle time
- Memory: 4MB internal storage; microSD slot for project transfer
- Communication: USB, Ethernet (PAS LV), expandable via bus modules (PROFIBUS/PROFINET)
- Voltage Range: 19.2–30VDC (reverse polarity protected)
- Environmental: IP20 rating; -20°C to +60°C operating temperature
- Diagnostic Coverage: >99% (EN ISO 13849)
- MTTFd: >100 years (calculated)
- Standards: EN ISO 13849, IEC 60204-1, UL 61969
3.Primary Applications
This base unit enables tailored safety architectures for:
- Automotive Production: Robot workcell E-stop chains with muting/blanking logic
- Pharmaceutical Lines: Cleanroom access control via door interlocks and pressure mats
- Energy Infrastructure: Wind turbine brake monitoring with analog speed sensors
- Packaging Machinery: Synchronized safety for rotary cutters and conveyor belts
- Aerospace Assembly: Hydraulic press two-hand control (ISO 13851)
- Material Handling: AGV collision avoidance via laser scanners
Ideal for large-scale systems needing centralized logic, supporting up to 72 expansion modules for thousands of I/O points without compromising safety integrity.
4.Competitive Advantages
Transformative innovations over rigid relay systems:
- Space Efficiency: 90% smaller footprint vs. conventional relay cabinets
- Virtual Configuration: Free PNOZmulti Configurator software enables drag-and-drop logic design
- Live Diagnostics: OLED screen displays real-time errors and sensor states
- Hot-Swap Expansion: Modules added/removed under voltage (no downtime)
- Global Standards Compliance: Single device meets ISO, IEC, UL, and GB/T (China)
- Cybersecurity: Password-protected project files and audit trails
Reduces commissioning time by 70% with pre-validated safety blocks (e.g., time delays, counters).
5.Functional Capabilities
Advanced safety and monitoring features:
- Flexible Logic Building: Create custom safety functions (AND/OR gates, latching) without wiring
- Motion Safety: Speed monitoring (SSM/SLS), standstill detection, and safe torque off (STO)
- Analog Monitoring: Process signals from 4–20mA/0–10V sensors (e.g., temperature, pressure)
- Network Integration: OpenSAFETY protocol support for distributed systems
- Event Logging: Stores 1,000+ timestamps for shutdowns/overrides (ISO 22031 compliant)
- Fail-Safe Updates: Firmware upgrades via USB with rollback protection
- Cross-Function Blocks: Preloaded templates for E-stops, light curtains, and two-hand controls
Includes conformal coating option for dust/moisture resistance in harsh environments.
| Parameter Category | Specification / Description |
| Product Type | Safety Rotary Encoder (Active Scanning) |
| Order Number | 774306 |
| Safety Standards | EN ISO 13849-1, EN IEC 61800-5-2, EN 61508, EN 62061 |
| Safety Level | SIL 3 (IEC 62061), PL e (ISO 13849-1), Category 3/4 |
| Technology | Optical (Incremental), 2048 pulses/revolution (PPR) |
| Output Signals | - Safety: 2x OSSD (PWM, 1 MHz)
- Analog: 0–10 V / 4–20 mA (programmable)
- IO-Link v1.1 (COM3, 230.4 kbaud) |
| Supply Voltage | 24 V DC (18–30 V DC) |
| Power Consumption | ≤ 4 W |
| Resolution | - Incremental: 2048 PPR (default)
- Analog: 12-bit
- IO-Link: 16-bit position |
| Accuracy | ±0.05° (angular) |
| Max. Speed | 6000 rpm |
| Safety Functions | Safe Speed Monitoring (SSM), Safe Direction (SDI), Safe Position (SP) |
| Diagnostic Coverage (DC) | ≥ 99% |
| PFH<sub>d</sub> | 5.0 × 10<sup>-9</sup>/h (for SSM function) |
| MTTF<sub>d</sub> | > 100 years |
| Protection Rating | IP65/IP67 (front), IP54 (connector) |
| Housing Material | Anodized Aluminum (EN AW-6060) |
| Shaft Connection | Solid shaft Ø 10 mm (keyway optional) |
| Operating Temperature | -25°C to +70°C (derating > +55°C) |
| Vibration Resistance | 10–500 Hz, 100 m/s² (EN 60068-2-6) |
| Shock Resistance | 500 m/s², 6 ms (EN 60068-2-27) |
| Electrical Connection | M12 × 1, 8-pin (A-coded) |
| IO-Link Process Data | Position, speed, temperature, diagnostics, parameterization |
| Certifications | CE, cULus (UL 61800-5-2), UKCA, EAC, TÜV Nord |
| MTBF | > 300,000 hours (at 40°C) |
| Config. Software | PITmode Manager (Windows) |
| Typical Applications | Robot joints, conveyor drives, packaging machines, CNC axes, AGV steering |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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Pilz 774306 - 4-Channel SIL3 PL e Safety Relay - Industrial Automation Rugged High-Response Images
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