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Art. No. 11302-U

 Galvanic separation of the 1-Wire network and the

computer

 LEDs for power and 1-Wire activity

 Top-hat rail case for switchboard assembly

 Power supply of 9 – 30 VDC via external power adapter

(not included in scope of delivery)

 Connection via screw terminals

 Easy software-based control

 Low space requirement in the switchboard

 Easy to assemble

Introduction

Before you start assembling the 1 Wire Bus Coupler USB

V3 and before you take the device into operation, please

read these assembly and operating instructions carefully to

the end, especially the section referring to the safety notes.

Product description

The 1 Wire Serial Bus Coupler USB V3 establishes a stable, electrically isolated connection among a 1-Wire

network and a computer. Special feature of the 1-Wire Bus Coupler USB V3 is an external voltage supply. Thus,

operating safety of the data connection to a computer will significantly be enhanced. Issues caused by unreliable

USB voltage supplies will be avoided. The use of more expensive USB hubs is no longer necessary.

The 1-Wire output of the bus coupler is isolated among the USB data supply and the voltage supply. Thus,

ground loops or EMC emissions and grounding issues from a computer to the 1 Wire network are efficiently

prevented. The isolation significantly reduces stray radiations ("electric smog") in living areas and enhances

electric safety among the systems. For galvanic isolation state-of-the-art high-speed optocouplers and special

isolated power adapters are being used. Even the 1-Wire „data" LED is isolated controlled by optical coupler

The 1-Wire component DS2480 from Dallas/Maxim is used within the 1-Wire Bus Coupler. This component,

combined with the complex internal voltage supply, is the basis for a very stable 1-Wire network. The DS2480

component supports the „Strong Pull Up" function and is thus predestined for the use in large 1 Wire networks as

well.

For the voltage supply, the 1-Wire Bus Coupler has a wide-range input of 9-32VDC and is thus equally suitable

for 12V systems and typically industrial 24VDC supplies. You can find compatible top-hat rail power adapters or

socket power adapters in our webshop.

Individual 1-Wire sensors can be connected directly. For major 1-Wire networks it is recommended to use a

1-Wire Hub III.

Please refer to the connection plan for further details in regards to the electric connection.

ESERA-Automation or E-Service GmbH. Errors and technical modification subject to change. ESERA-Automation, E-Service GmbH 2019

www.esera.de

User Guide

1-Wire Bus Coupler USB V3

11302-U V1.5 R1.2 Manual

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