| TECHNICAL SPRCIFICATIONS |
| Model | SFT-621 | |
| Number of diodes | 17 | |
| Distance between diodes | 118mm | |
| Maximum beams (distance≥400mm) | 96beams | |
| Minimum beams (distance＜400mm) | 33beams | |
| Highest beam | 1840mm |
| Lowest beam | 23mm |
| Size | 19.5mm(thickness)x17mm(width)x2000(height) |
| Detecting distance | 0-4000mm |
| Vertical displacement at 0mm | ±20mm |
| Horizontal displacement at 0mm | ±3mm |
| Angular displacement at 0mm | ±10degrees |
| Cable reliability | 20 million door movements |
| Light immunity | ≤100000LUX |
| EMC compliance | Emissions to EN12015,Immunity to EN12016 |
| Operating temperature range | -20℃~+65℃ |
| IP rating | IP54 |
| Vibration test | Random vibration 20 to 500Hz 0.002g2/Hz 4hrs per axis Sinusoidal 30Hz 3.6 rms 30mins per axis |
| Response Time (NON or PNP) | 45ms | 65ms |
| Response time (Relay) | 60ms | 80ms |
| Timeout Function | 15Sec 3 non-adjacent diodes | 15Sec 5 non-adjacent diodes |
| POWER SUPPLY UNIT(see detailed information in Page 31) |
| Model P220 | Input voltage 220V AC±20% 4VA |
| Model P110 | Input voltage 110V AC±20% 4VA |
| Model P110/220 | Input voltage 110/220V AC(Switchable) 4VA |
| Model P110/220-W | Input voltage 85~265V AC(Switchable) 4VA |
| Model P12/24 | Input voltage 10~35V DC 4VA |
| Model P24 | Input voltage 19~36V DC 4VA;18~30V AC 4VA |
| System Hint (Buzzers are optional)Mode 1:Give buzzer sound once interrupted. Mode 2:Give buzzer sound 15 second after continuously interrupted |
| PNP/NPN (Without power supply unit)(see detailed information in Page 32) |
| Input voltage | 15~35V DC 3VA |
| Output modes | PNP-N/C:High level effective,Normal output high,Interrupt output open(Invalid level) |
| Output modes | PNP-N/O:High level effective,Normal output open(Invalid ),Interrupt output high |
| Output modes | NPN-N/C:Low level effective,Nomal output low,Interrupt output open (Invalid level) |
| Output modes | NPN-N/O:Low Level effective ,Normal output open (Invalid level),Interrupt output low |
| Output currents | Maximum 500mA(Can drive small load such as relay) |
