| Model | FS-T1P | FS-T2P | FS-M1P | FS-M2P |
| Type | Main unit | 1-line expansion unit | Main unit | 1-line expansion unit |
| Output | PNP |
| Light source | Red LED |
| Sensitivity adjustment/Mode selection | Button | 8-turn trimmer (with indicator), FINE/TURBO (switch-selectable) |
| Response time | 250 µs | 250 µs (FINE) /500 µs (TURBO) |
| Operation mode | LIGHT-ON/DARK-ON (switch-selectable) |
| Indicator lamp | Output indicator: Red LED, Stable operation indicator: Green LED Calibration indicator: Orange LED | Output: Red LED
Stable operation: Green LED |
| Timer function | ON-delay: 40 ms/OFF-delay: 40 ms/Timer OFF (switch-selectable) |
| Input | Non-voltage input (contact, solid state) | ― |
| Control output | PNP open-collector 100 mA max. (40 VDC max.), Residual voltage: 1 V max. |
| Stability output | PNP open-collector 50 mA max. (40 VDC max.), Residual voltage: 1 V max.*1 |
| Protection circuit | Reversed polarity protection, over-current protection, surge absorber |
| Unit expansion | Up to 16 expansion units can be connected (a total of 17 units).*2 |
| Mutual interference suppression | 4 | FINE : 4, TURBO/SUPER: 8 |
| Rating
Power voltage | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less*4 | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less*4 |
| Current consumption | 35 mA or less |
| Environmental resistance
Ambient light | Incandescent lamp: 10,000 lux max., Sunlight: 20,000 lux max. |
| Ambient temperature | -10 to +55 °C 14 to 131 °F (No freezing)*3 |
| Relative humidity | 35 to 85 % RH (No condensation) |
| Vibration resistance | 10 to 55 Hz, Double amplitude 1.5 mm 0.06″, 2 hours in each of the X, Y, and Z directions |
| Shock resistance | 500 m/s2, 3 times in each of the X, Y, and Z directions |
| Case material | Polycarbonate |
| Weight | Approx. 75 g | Approx. 40 g | Approx. 75 g | Approx. 40 g |
