Daylight Sensor ZTLS-04

The ZTLS-04 Daylight Sensor uses 4 light sensors to determine the light values of the points of the compass.

Quick Facts

  • 4 light sensors
  • North, South, East and West
  • Optimum shading of the building fronts
  • Heating against condensation and icing
  • Mounting on the roof

The Daylight Sensor ZTLS-04 has 4 individual light sensors and supplies the current light values of the 4 points of the compass. The 16-bit values for south, west, north and east are available in system variables and are evaluated in the Master. Due to the internal address, it is not necessary to set a module address. In conjunction with the SUN processor, you receive information about the position of the sun and the current light values. Together with the Blind Module, optimum shading can then be implemented for each individual building front.

The Daylight Sensor is mounted free-standing on the roof and consists of a transparent dome housing with 4 integrated digital light sensors, which are aligned exactly in the 4 directions of the compass. A thermostatically controlled heater is integrated to protect against condensation and icing. All data lines to the sensors are equipped with overvoltage protection elements.

Electrical Data

Operating voltage 12V to 35V DC or 12V to 27V AC
Current consumption (24V) 100mA
Heating 230V, approx. 8W, thermostat controlled
Subnet (RS-485) max. 5.6V limitation by Z-diodes
Connection screw terminals 1.5mm², the connection is made by 2 cable glands from below
Fixing stainless steel clamp with 2 tension straps for mast 48-102mm diameter
Operating temperature -30...+50°C
Storage temperature -30...+70°C
Humidity 0 ...85 % r.h. non-condensing
Protection IP65

Design, Dimensions, Weight

Design encapsulated in black plastic housing for installation in boxes or external devices
Dimensions H 157mm (without mast), diameter 260mm
Weight 2,2kg

Ordering Data and Conformity

Type designation ZTLS-04
Article no. 80085110
Make ISYGLT
Conformity CE

Tender Documents

Instruction Manuals

Technical Drawings

Wiring Diagrams

DIP switch

Due to the internal address, it is not necessary to set a module address.


Function Indicators (LEDs on the Module)

LEDDesignationStateMeaning
4x redPowerOffNo operating voltage
OnOperating voltage, no error
4x yellowBUSOff / OnError BUS
blinkingInterference-free data transmission via the BUS line

Pin Assignment

4-pole terminal (BUS)

Ub Operating voltage
0V Operating voltage
A Subnet (BUS A, RS-485)
B Subnet (BUS B, RS-485)

3-pole terminal (230V)

Lx Heating 230V/50Hz
N Heating 230V/50Hz
PE Protective conductor connection

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ZTLS-04

Article no.: 80085110

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