User Manual

6-19
Solar protection, anti-glare protection, utilization of daylight
Central weather/solar protection systems
Siemens Switzerland Ltd
Building Technologies Division
2019www.siemens.com/gamma
6
Stock No. Product No. DT
5WG1257-3AB51 AP 257/51 A
AP 257/51Weather station
Sensor for measuring wind speed, measuring range 2-30 m/s
Three independent brightness sensors, measuring range 1-100 k Lux
Consideration of up to two external brightness sensors
Outdoor temperature sensor, measuring range -30 … +60°C
Transmission of all measurement readings via the bus
Monitoring of all measurement readings
Consideration of the alignment of up to 3 façades and automatic activation / deactivation of the solar
protection of a façade during the time in which the sun shines on the respective façade
Safety alarm for deactivating the solar protection, initiated by an external safety object or by logical
AND/ OR operations of the measured weather data
4 threshold switches, independant of the weather data, each with 2 output objects
6 logical AND, OR or XOR operations, independant of the whether data, of respectively up to 4 input
objects and each with 2 output objects
Integrated bus coupling unit, bus connection via a bus terminal block
As a compact unit for mast or wall mounting, including mast xture for diameter 48-60 mm
Wind alarm Yes
Dimensions (W x H x D) 121 x 108 x 227 mm
Stock No. Product No. DT
5WG1257-3AB61 AP 257/61 A
AP 257/61Weather station
Sensor for measuring wind speed, measuring range 2-30 m/s
Three independent brightness sensors, measuring range 1-100000 Lux
Consideration of up to two external brightness sensors
Outdoor temperature sensor, measuring range -30 … +60°C
Heated precipitation sensor
Transmission of date and time via the bus
Transmission of GPS position via the bus
Transmission of all measurement readings via the bus
Monitoring of all measurement readings
Input of the geographical location of the installation site via the entry of longitude and latitude or
automatic detection via GPS
Calculation and transmission of the angle data (azimuth and elevation) for current position of the sun
Cconsideration of the alignment of up to 8 façades and automatic activation / deactivation of the solar
protection of a façade during the time in which the sun shines on the respective façade
Sun tracking control of the slats position for solar protection, so that no direct sunshine, but as much
diffuse daylight as possible reaches the room
Ssafety alarm for deactivating the solar protection, initiated by an external safety object or by logical
AND/ OR operations of the measured weather data
4 threshold switches, independant of the weather data, each with 2 output objects
6 logical AND, OR or XOR operations,independant of the weather data, of respectively up to 4 input
objects and each with 2 output objects
External power supply of the heating for the precipitation sensor via 24 V DC, 210 mA
Feed of the additional auxiliary power supply via the white / yellow twisted pair of the bus cable
Integrated bus coupling unit, bus connection via a bus terminal block
Compact unit for mast or wall mounting, including mast xture for diameter 48-60 mm
Sun position tracking Yes
Wind alarm Yes
Dimensions (W x H x D) 121 x 108 x 227 mm
7-Anti-glare_solar protection actuators.indd 19 26.07.2018 14:23:27