User Manual
6-18
Solar protection, anti-glare protection, utilization of daylight
Central weather/solar protection systems
Siemens Switzerland Ltd
Building Technologies Division
2019www.siemens.com/gamma
6
Range overview AP 257/..02
Product Title Stock No. Product No. DT
Weather center (GPS), 8 facade sectors, sun tracking 5WG1257-3AB22 AP 257/22 A
Weather-/sun station
• Receiver for GPS time signal
• Input the assembly location by selecting country and city or by stating the GPS longitude/latitude
coordinates
• Transmission and receipt of date and time over bus
• Transmission of all measured values via bus
• Functions:
- Monitoring of all measured values up to 3 limit values each
- Sensor monitoring
- Sunlight tracking control
- Shadow outline tracking
- Central command for activation/deactivation of sun protection at the start and end of sunshine
- 4 AND operations
- 4 OR operations
- 8 OR operations for alarm/fault indications
- Blocking function for window cleaning tasks
- Safety/alarm objects
• LED for the display of GPS reception
• Heated sensor for measuring wind speed without mechanically moved parts, measuring range at least
0...35 m/s
• Brightness sensor, measuring range min. 0...150 klx
• Dusk detection, measuring range min. 0...1000 lx
• Outdoor temperature sensor, measuring range min. -35...+80 °C
• Integrated bus coupling units
• Bus connection via bus terminal
Dimensions (W x H x D) 96 x 77 x 118 mm
AP 257/..2
Accessories for AP 257/..2
Product Title Stock No. Product No. DT
Electronic power supply unit, 350 mA 4AC2402 4AC2402 B
7-Anti-glare_solar protection actuators.indd 18 26.07.2018 14:23:27