


| Parameter | Value |
|---|---|
| Item | Specifications |
| Cable | Shielded cable with connector, 1 m3.281 ftlong |
| Details | Sensor head |
| Product | Compact Type 4 Safety Beam Sensor |
| Material | Enclosure: PBT (Polybutylene terephthalate)Lens: AcrylicIndicator cover: Acrylic |
| Part Number | ST4-A1-J1V |
| Product name | Compact Type 4 Safety Beam Sensor ST4 |
| Power voltage | Supplied from controller |
| Product Number | ST4-A1-J1V |
| Sensing object | φ9 mmφ0.354 inor more opaque object |
| Cable extension | Extention up to total 50 m164.042 ftis possible for both emitter and receiver with exclusive cable. |
| Operating range | 0.1 to 15 m0.328 to 49.213 ft(Note:The operating range is the possible setting distance between the emitter and the receiver. It can detect sensing object of less than 0.1 m 0.328 ft away.) |
| Emitting element | Infrared LED (Peak emission wavelength: 870 nm0.034 mil) |
| Ambient illuminance | Incandescent lamp: 3,500 Lx or less at the light-receiving face |
| Current consumption | Emitter: 11 mA or lessReceiver: 9 mA or less |
| Applicable standards | IEC 61496-1/2 (JIS B 9704-1/2 / UL 61496-1/2) (Type 4), ISO 13849-1:2015 (Category 4, PLe), JIS B 9705-1 (Category 4), IEC 61508-1 to 3 (SIL3), IEC 62061 (SIL3), JIS C 0508-1 to 3 (SIL3), UL 1998, OSHA 1910.212, OSHA 1910.217 (C), ANSI B11.1 to B11.19, ANSI/RIA R15.06, ANSI/ISA S84.01 (SIL3)(Note) Complies with those standards only when the sensor head is used in combination with the controller ST4-C11 / ST4-C12EX. |
| Beam emission indicator | Green LED (lights up during beam emission, lights off during emission halt) |
| Effective aperture angle | plus or minus 2.5degrees or less for operating range exceeding 3 m 9.843 ft (required by IEC 61496-2 / UL 61496-2) |
| Beam interruption indicator | Red LED (lights up when the beam is interrupted or lock out, lights off during reception)(Note) Shows light interruption information between the emitter and the receiver with the same address. It does not show OSSD output. |
| Stable incident beam indicator | Green LED (lights up under stable light received condition, lights off under unstable light received condition) |
| CE marking directive compliance | Machinery Directive, EMC Directive, RoHS Directive |
| Weight(Total of emitter and receiver) | Net weight: 100 g approx.Gross weight: 140 g approx. |
| Environmental resistance:Ambient humidity | 30 to 85 % RH, Storage: 30 to 95 % RH |
| Environmental resistance:Shock resistance | 300 m/s2acceleration in X, Y and Z directions three times each |
| Environmental resistance:Ambient temperature | -10 to +55 ℃+14 to +131℉(No dew condensation or icing allowed),Storage: -25 to +70 ℃-13 to +158℉ |
| Environmental resistance:Degree of protection | IP67 (IEC) |
| Environmental resistance:Vibration resistance | 10 to 55 Hz frequency, 0.75 mm0.030 indouble amplitude or maximum acceleration 90 m/s2 in X, Y and Z directions for two hours each< |
| Environmental resistance:Insulation resistance | 20 MOhm or more with 500V DC megger between all supply terminals connected together and enclosure |
| Environmental resistance:Voltage withstandability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
Technical specifications and performance data
Installation and operation guide