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Active termination for 1-Wire networks
In a 1-Wire network, the 1-Wire Term 1 provides a defined termination at the end of the 1-Wire network, thus ensuring a stable and professional 1-Wire network. The 1-Wire Term 1 is therefore a basic component of every 1-Wire network. The module contains a passive and active terminating resistor and a signaling of bus activity.
The active termination (1-Wire Term 1) is highly recommended to increase the maximum line length and improve the system stability of the 1-Wire network, especially for long 1-Wire lines and for a star or tree topology setup.
In a 1-Wire network, up to 3 1-Wire Term 1 modules can be connected.
The 1-Wire Term 1 is very compact and can be ideally installed in a flush-mounted box.
|Function||Termination for 1-Wire networks, active|
|Operating voltage||5VDC, max. 5mA|
|Display||2, LED for power and 1-Wire data|
|Miscellaneous||Integrated overvoltage and reverse polarity protection|
|Scope of delivery||Module and operating instructions|
Integration into 1-Wire network
The 1-Wire Term 1 module is mounted at the end of a 1-Wire network cable.
If the 1-Wire network is star-shaped, i.e. with several 1-Wire cable sections, a 1-Wire Term 1 module should be connected to each end.
You should not use more than three 1-Wire Term 1 modules in a 1-Wire network.
The structure corresponds to the linear topology with the difference that the slaves are connected to the main line via cables with a length of more than 3m (branch, stub).
Star or tree topology
The network is divided into several large strings at or near the 1-Wire bus coupler / 1-Wire controller /1-Wire hub (bus master). Sensors and actuators (e.g. switching modules) are connected at the end or along the respective string.
For more information, please refer to the operating instructions under Links/Downloads.