Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
Question
What are the main differences between F3SN-A Safety Light Curtain and F3SN-B?
Answer
| Item | F3SN-A Series | F3SN-B Series | |
| Type (Categories based on IEC 61496-1) | Type 4 | Type 2 | |
| Applicable categories (Categories based on EN 954-1) | B, 1, 2, 3, and 4 | B, 1, and 2 | |
| Effective aperture angle (I.e., directional angle) (Requirements based on IEC 61496-2) | ±2.5° max, | ±5° max, | |
| Self-test | Frequency of execution | Once per 10 to 15.5 ms max. | Once per 1 s max. |
| Items monitored | Emitter CPU runaway Emitter element damage Emitter circuit damage Cable disconnection and short-circuiting Receiver CPU runaway Power supply and circuit damage Receiver element damage Receiver circuit damage External light interference received Output drive circuit damage Cable disconnection and short-circuiting | Same as at left. | |
| CPU | 2 (circuit redundancy) | 2 (circuit redundancy) | |
| Series connection and mutual interference prevention | Up to 3 Sets (total optical axes: 240) can be connected in series. Mutual interference prevention only when series connection is used. | Series connection is not possible. No mutual interference prevention. | |
| Protective height | 189 to 1,822 mm | 217 to 1,807 mm | |
| Smallest detectable object | 14-mm dia., 25-mm dia., 40-mm dia., 70-mm dia. | 25-mm dia., 40-mm dia., 70-mm dia. | |
| Total failures | No hazard for up to 3 failures | No hazard for up to 1 failures | |
| Safety-related Functions | Interlock Function Fixed Blanking Function Floating Blanking Function External Device Monitoring | Interlock Function External Device Monitoring | |
| Output operation mode for auxiliary output | Can be set with F39-MC11 Setting Console. | Always Dark-ON | |
| Use of F39-MC11 Setting Console | Supported | Not supported | |
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