User manual for the Guardmaster 440G-LZ guard locking switch, covering installation, wiring, operation, and troubleshooting.
This manual provides step-by-step instructions for installing, wiring, and troubleshooting the Guardmaster 440G-LZ guard locking switch. It includes safety guidelines, wiring diagrams, and technical specifications. The switch uses RFID coding and a bi-stable solenoid to lock guards in place, with OSSD outputs enabled only when the guard is both closed and locked. It is designed for use in safety-critical applications with compliance to IEC 60947-5-3, IEC 61508, and ISO 13849-1 standards.
The manual covers assembly, mounting, actuator alignment, LED diagnostics, and troubleshooting. It also includes specifications such as safety ratings, operating characteristics, and environmental protection. The device is suitable for applications requiring PLe Category 4 or SIL 3 safety levels.
| Safety Ratings | IEC 60947-5-3, IEC 60947-5-1, IEC 61508, EN ISO 13849-1, IEC 62061, EN/ISO14119, UL 508 |
|---|---|
| Safety Classification | Guard door sensing and lock monitoring PLe Category 4 per ISO 13849-1, SIL 3 per IEC 61508 and IEC 62061 |
| Functional Safety Data | Guard door sensing and lock monitoring PFHD: 9.1 x 10-10 |
| Mission Time/PTI | 20 years |
It complies with IEC 60947-5-3, IEC 60947-5-1, IEC 61508, EN ISO 13849-1, IEC 62061, EN/ISO14119, and UL 508.
It is classified as PLe Category 4 per ISO 13849-1 and SIL 3 per IEC 61508 and IEC 62061.
The functional safety data is PFHD: 9.1 x 10-10 for guard door sensing and lock monitoring.
The mission time/PTI is 20 years.