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Art. No. 11337  

 

All rights reserved. Reproduction as well as electronic duplication of this user guide, complete or in part, requires the written consent of 
ESERA GmbH. Errors and technical modification subject to change. 



ESERA GmbH, ESERA-Automation 2020 

www.esera.de 

11337 V2.0 R1.0  Manual 

Page 1 of 10 

 

User Guide 

1-Wire Gateway 20 Modbus TCP 

 

 

 

 

1-Wire Gateway for self-communication 
between PLC and a 1-Wire sensor and 
actuator Network 

 

Data evaluation of all 1-Wire modules in 1 - 2 
seconds increments 

 

Modbus data output as TCP protocol 
Edited sensor- and actuator data 

 

Status updates for all sensors and actuators  

 

Easy configuration 

 

No extra drivers needed 

 

Data storage in case of loss of communication 
to the host system (optional) 

 

Power supply for 1-Wire network 

 

Designed for all dimensions of 1-Wire 
networks 

 

DIN rail housing for switchboard assembly 

 

Wide range of power voltage  

 

Management of all ESERA-Automation 1-Wire 
modules and many of standard 1-Wire 
sensors and actuators (e.g. switch-modules) 

 
 
 

 

Introduction 

Before you start assembling the 

1-Wire Gateway 20 Modbus TCP

 and before you take the device into 

operation, please read this assembly and operating instruction carefully to the end, especially the section 
referring to the safety notes. 
We recommend to use Config-Tool 3 for all kind of setup and configuration tasks. Please find the latest 
release on our website at, 

www.esera.de

Please also refer to the Help/Support section to find the user guide 

for Config-Tool 3. 
 

Product description

 

 

 

 

 

  

Standard Modbus TCP protocol

 

You can use your industrial controller, e.g. PLC and standard TCP protocol to connect to the 1-Wire 
Gateway 20. Addressing is similar to other Modbus systems and easy to handle. You can use addresses 
for system data, sensor data and actuator devices. A complete address list including all available data 
points is available for 

download

 on our webpage. These addresses are also available within the  

ESERA configuration software Config-Tool 3.  

 
Standalone controller 

The 1-Wire Gateway 20 Modbus is designed to control 1-Wire Networks. You no longer have to worry 
about 1-Wire commands or algorithms to analyze sensor data. 1-Wire Gateway 20 Modbus scans 1-Wire 
Networks by itself in order to identify new sensors or actuator devices. All data found were automatically 
provided in a ready to use Modbus protocol format. 

Summary of Contents for 1-Wire Gateway 20 Modbus TCP

Page 1: ...TCP and before you take the device into operation please read this assembly and operating instruction carefully to the end especially the section referring to the safety notes We recommend to use Config Tool 3 for all kind of setup and configuration tasks Please find the latest release on our website at www esera de Please also refer to the Help Support section to find the user guide for Config To...

Page 2: ...luding an integrated backup battery Data plausibility check is possible at any time Power supply Input voltage for 1 Wire Gateway 20 Modbus is 9 30 VDC Therefore it can be used for 12 V as well as 24 VDC industrial applications Appropriate hat rail mounted power supplies or power plugs can be found in our webshop 3 Auto E Connect Support The ESERA Auto E Connect 1 Wire Plug and Play system will be...

Page 3: ... Conformity EN 50090 2 2 EN 61000 4 2 ESD EN 61000 4 3 HF EN 61000 4 4 Burst EN 61000 4 5 Surge EN 61000 6 1 Fault free operation EN 61000 6 3 Stray radiation RoHS 7 LED indicators The module status will be displayed by various LEDs Please refer to the following table for their functions LED status Description Function LED Green PWR power indicator LED Green DATA LED flashes 3 times after power on...

Page 4: ...c duplication of this user guide complete or in part requires the written consent of ESERA GmbH Errors and technical modification subject to change ESERA GmbH ESERA Automation 2020 www esera de 11337 V2 0 R1 0 Manual Page 4 of 10 8 Connection www esera de ...

Page 5: ...ned 16 GND negative supply voltage 17 Positive supply voltage Module top side Digital Output and 1 Wire Bus 18 main supply for digital output 1 2 19 digital output 1 max 8 A 20 digital output 2 max 8 A 21 main supply for digital output 3 4 22 digital output 3 max 8 A 23 digital output 4 max 8 A 24 digital output 5 break contact max 5A 25 main supply for digital output 5 26 digital output 5 make co...

Page 6: ...ser guide complete or in part requires the written consent of ESERA GmbH Errors and technical modification subject to change ESERA GmbH ESERA Automation 2020 www esera de 11337 V2 0 R1 0 Manual Page 6 of 10 9 Connection Example 1 Wire Gateway sensors and actuators www esera de ...

Page 7: ...ntroller 1 loxone integration 13 Integration in FHEM We provide a software module for easy integration in the Open Source automation software FHEM of the 4 fold analog input into FHEM by 1 Wire Controller 1 Wire Gateway Using this software scripts are no longer necessary Further details can be found on our webpage https www esera de kompatible steuerungen zentralen fhem integration 14 Configuratio...

Page 8: ... and SET commands The ESERA text protocol is totally open and documented The latest version of the ESERA protocol description is available for download in our webshop https www esera de produkte software downloads firmware 1 wire controller 1 wire gateway as well as in the ESERA Config Tool 3 download area 16 2 Modbus TCP protocol 1 Wire Gateway 20 Modbus communication to ESERA text protocol or Mo...

Page 9: ... sure that the unit is disconnected from the mains Components modules or devices may only be put into service if they are mounted in a contact proof housing During installation they must not have power applied Tools may only be used on devices components or assemblies when it is certain that the devices are disconnected from the power supply and electrical charges stored in the components inside t...

Page 10: ...ade under the Product Liability Act are not affected If defects occur for which the ESERA GmbH is responsible and in the case of replacement goods the replacement is faulty the buyer has the right to have the original purchase price refunded or a reduction of the purchase price ESERA GmbH accepts liability neither for the constant and uninterrupted availability of the ESERA GmbH or for technical o...

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