Acrel ASL100-DI4/20 KNX Dry Contact Smart Lighting Module
ASL100-Dix/20 series of dry contact input module (hereinafter referred to as dry contact) is a binary input module based on Acrel-bus intelligent control system. The module is developed by Acrel and conforms to the rules of the enterprise standard Q31/0114000129C032-2017 ASL100 Intelligent Lighting Control System. European KNX communication bus is adopted in the product. The key on the dry contact is used as the input signal to switch the external control signal into the control signal conforming to KNX system. This dry contact module may dim the light, turn on or off the lamp according to the actual need. The latest single-chip microcomputer technology is adopted by the module. Thus, the module is highly stable and reliable to reliably guarantee the comfort and convenience in people’s life.
2. Specification and model

3. Technical parameters
Power supply feature | KNX bus feeder | DC21~30V |
Power supply current | <12mA | |
Power consumption | <360mW | |
External connection | External input | Dry contact signal |
KNX-TP1 | Use twisted-pair cable conforming to KNX standard | |
Wiring terminal at load end | Terminating with 0.5nm~0.6nm torque | |
Operation and display interface | Programming key and relevant indicator | LED indicator is in red when waiting for programming and is in green during and after programming. |
Temperature range | Operating temperature | -5℃~+45℃ |
Storage temperature | -25℃~+55℃ | |
Transport temperature | -30℃~+70℃ | |
Environmental requirements | Maximum air humidity | 95% |
Dimension (mm) | 36x90x62 | |
Installation | Standard 35mm track installation | |
4. Configuration
model | Length[B] |
ASL100-DI4/20 | 36mm |
5.Electric wiring diagram
Mains input terminal
Input indicator
Key input
Running and programming indicator
KNX bus terminal: positive in red, negative in black.
Programming key
Manual/automatic input switch key
Manual input indicator

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