W-Modbus sensors

Industrial communication and automation systems are increasingly relying on wireless networks to increase efficiency and flexibility. One of the best-known and most frequently used communication methods in this context is Modbus - an open communication protocol that is often used in industry for networking devices. Wireless Modbus (W-Modbus) is the wireless version of the classic Modbus protocol, which relies on radio technologies to utilize the advantages of wireless data transmission.

All about Wireless Modbus experience
587 products
  • THERMASGARD® TM65-wModbus 50MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 50MM

    1101-723F-0010-000

    227,15 €

    incl. VAT 270,28 €

  • THERMASGARD® TM65-wModbus 100MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 100MM

    1101-723F-0020-000

    227,47 €

    incl. VAT 270,60 €

  • THERMASGARD® ATM2-wModbus
    New
    °C
    W modbus

    THERMASGARD® ATM2-wModbus

    1101-12CF-0000-000

    227,54 €

    incl. VAT 270,67 €

  • THERMASGARD® TM65-wModbus 150MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 150MM

    1101-723F-0030-000

    227,71 €

    incl. VAT 270,84 €

  • THERMASGARD® TM65-wModbus 200MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 200MM

    1101-723F-0040-000

    227,96 €

    incl. VAT 271,09 €

  • THERMASGARD® TM65-wModbus 250MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 250MM

    1101-723F-0050-000

    228,31 €

    incl. VAT 271,63 €

  • THERMASGARD® TM65-wModbus 300MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 300MM

    1101-723F-0060-000

    229,20 €

    incl. VAT 272,71 €

  • THERMASGARD® TM65-wModbus 350MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 350MM

    1101-723F-0070-000

    230,34 €

    incl. VAT 274,04 €

  • THERMASGARD® TM65-wModbus 400MM
    New
    °C
    W modbus

    THERMASGARD® TM65-wModbus 400MM

    1101-723F-0080-000

    231,50 €

    incl. VAT 275,39 €

  • THERMASGARD® HFTM-wModbus
    New
    °C
    W modbus

    THERMASGARD® HFTM-wModbus

    1101-62AF-0210-000

    232,08 €

    incl. VAT 276,16 €

  • THERMASGARD® ALTM1-wModbus
    New
    °C
    W modbus

    THERMASGARD® ALTM1-wModbus

    1101-12BF-0000-000

    232,66 €

    incl. VAT 276,74 €

  • THERMASGARD® ALTM2-wModbus
    New
    °C
    W modbus

    THERMASGARD® ALTM2-wModbus

    1101-62BF-0210-000

    240,63 €

    incl. VAT 286,23 €

  • HYGRASGARD® RFTF-wModbus
    °C + % RH
    W modbus

    HYGRASGARD® RFTF-wModbus

    1201-41BF-1000-000

    241,02 €

    incl. VAT 286,81 €

  • KYMASGARD® GW-wModbus
    New
    W modbus

    KYMASGARD® GW-wModbus

    1801-1211-1101-000

    245,30 €

    incl. VAT 291,85 €

  • HYGRASGARD® TW-wModbus
    New
    °C %RH
    W modbus

    HYGRASGARD® TW-wModbus

    1201-1281-F001-020

    252,99 €

    incl. VAT 300,87 €

  • PREMASGARD 2328-wModbus
    New
    Pa / bar / inWC
    W modbus

    PREMASGARD 2328-wModbus

    1301-12CF-0910-200

    266,69 €

    incl. VAT 317,23 €

What is W-Modbus?

W-Modbus uses the same communication principles as Modbus RTU or Modbus TCP, but the connection is not established via cable, but wirelessly, e.g. via WLAN, Zigbee or LoRaWAN. This allows systems to be installed more flexibly and cost-effectively, especially in systems that are difficult to access or widely distributed.

What is it used for?

Modbus wireless offers numerous advantages over conventional, wired communication solutions. It enables flexible and cost-effective networking of devices and systems in areas where cable connections would be either impractical or too expensive.

Contents

Why Wireless Modbus? Areas of application of W-Modbus What to look out for when buying a W-Modbus device should pay attention to Frequently asked questions about Wireless Modbus How do I integrate W-Modbus? W-Modbus Gateway

Why Wireless Modbus?

The main advantages of Wireless Modbus are:

  • Signal transmission with low latencyalmost instantaneous data transmission, which is particularly important in applications with real-time requirements.
  • Cost and time savings: Saving on cables and installation costs reduces the overall investment costs. Troubleshooting can be carried out remotely.
  • Simple expandabilityWireless systems can be expanded without great effort, which is particularly advantageous for growing systems or distributed systems.
  • Flexibility and high rangeThanks to the lack of cables, devices can also be integrated in areas that are difficult to access or far away, where cable installations are not technically or economically possible.
  • Fast commissioningWireless Modbus systems can be set up more quickly, resulting in faster commissioning and less downtime.

Scope of application of W-Modbus

The possible uses of Wireless Modbus devices are extremely versatile and are used in numerous industries. W-Modbus is often used in environments where fast and flexible communication is required and cabling is either too complex or impractical. Wireless technology is particularly interesting for retrofitting in existing buildings (retrofit).

Areas of application of W-Modbus

  • Manufacturing industry and automation

    In modern production facilities and manufacturing plants Wireless Modbus wireless communication between machines, sensors and control systems without the need for a complex cable network. This is particularly advantageous in systems with moving parts or when retrofitting existing systems.

  • Energy management and smart grids

    In the energy sector, especially in smart grids and intelligent power networks, wireless Modbus technology is used to collect and transmit data from widely distributed energy sources (such as wind turbines, solar farms or electricity meters). Wireless communication enables the integration of remote or hard-to-reach stations without the need for complex cable connections.

  • Building automation and smart buildings

    In the area of building automation W-Modbus-systems are used to network and control various building technologies such as lighting, heating, ventilation and air conditioning (HVAC). Wireless Modbus systems are particularly useful here to facilitate installation and maintenance.

  • Agricultural engineering and environmental monitoring

    In agriculture or for environmental monitoring W-Modbus-systems can be used for remote monitoring of weather stations, irrigation systems or climate sensors. In remote areas where the installation of cables would be difficult, wireless communication offers a reliable solution for transmitting measurement data.

  • Logistics and transportation

    In the logistics industry, Modbus enables the monitoring of warehouse stocks, vehicle fleets or automated warehouse systems without cables. Wireless communication provides an efficient and flexible solution for the remote control and monitoring of logistics systems.

What to look out for when buying

When buying a Wireless Modbus-There are several factors to consider when selecting a device to ensure that it meets the specific requirements of the application:

Radio technologyCheck which wireless standards can be used in your area.

Range and signal strength: Pay attention to the maximum range and the stability of the connection, especially in complex or large installations.

CompatibilityEnsure that the device is compatible with your existing Modbus infrastructure and the other systems used.

Security functionsCheck whether the device has security functions such as encryption and authentication to protect data from unauthorized access.

Energy consumptionEnergy consumption is crucial for appliances that are used in remote areas without an external power supply. Look out for energy-efficient models.

FAQ

  1. What is the difference between Modbus RTU and W-Modbus?
    Modbus RTU is a wired version of the Modbus protocol that uses a serial connection. Wireless Modbus however, transmits the same data wirelessly, allowing for a more flexible and often more cost-effective installation.
  2. Can Wireless Modbus be used in any network?
    Not every wireless network is suitable for communicating with W-Modbus suitable. It is important that the network used offers the required range, stability and security.
  3. How secure is data transmission with Wireless Modbus?
    The safety of Wireless Modbus depends on the wireless technology used and the security protocols employed. Encryption and authentication are crucial to protect data from unauthorized access.
  4. What is the range of a typical Wireless Modbus-device?
    The range varies depending on the radio technology used. As a rule, the range of a W-Modbus-The maximum range of the device is between 30 and 100 meters in open areas (up to 500 m in open areas), but can be affected by obstacles and interference.

How do I integrate W-Modbus?

The integration of Wireless Modbus into existing systems is relatively straightforward and requires only a few steps:

  1. PreparationDetermine the required devices, wireless technologies and network architecture.
  2. Installation: Connect the W-Modbus-compatible devices with your existing Modbus network or controller.
  3. ConfigurationSet up the wireless connection and configure IP addresses and communication parameters.
  4. TestingCheck the stability and range of the wireless connection and the communication between the devices.
  5. MaintenanceRegular signal strength checks, security measures and software updates ensure that the system works reliably.

In the W-Modbus-Network up to 100 participants can communicate with each other over a long distance (up to 500 m free field) on one gateway. A standardized W-Modbus-module guarantees compatibility with all W-Modbus-devices.

The W-Modbus-sensors only need to be supplied with power. Only the slave address is configured manually; the transmission parameters (baud rate and parity) are set automatically. A terminating resistor is not necessary. The sensor is then coupled to a gateway.

The W-Modbus-Gateway serves as a transition between wired Modbus and radio-based W-Modbus. Mixed forms of wired and radio-based Modbus devices can also be connected via the W-Modbus-gateway can be easily integrated into existing network topologies.

All W-Modbus Discover sensors

W-MODBUS GATEWAY

Thanks to the uncomplicated setup of the wireless network and the stable connection, existing systems can easily be expanded to include wireless W-Modbus-sensors. Hybrid systems consisting of wired and wireless Modbus devices can also be connected via the W-Modbus-gateway can be seamlessly integrated into existing network topologies. Various operating modes are available for integration.

  • Gateway operation for connection to an existing Modbus topology or directly to a DDC, serves as a base station for W-Modbus-sensors (max. 100 wireless devices).
  • Node operation enables the radio-based connection of a wired Modbus sensor to a W-Modbus-network (max. 1 wired sensor).
  • Node Pro operation (extended node mode with Gateway Pro device variant) is used for the wireless connection of several wired Modbus sensors (max. 16 wired participants).

Experience the versatile application possibilities of W-Modbus - Our demo kit is ready for you. You will receive an outdoor temperature transmitter THERMASGARD® ATM2-wModbus, an outdoor humidity/temperature sensor HYGRASGARD® AFTF-wModbus LCD and a free gateway KYMASGARD® GW-wModbus.

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Testen Sie W-Modbus: Unser Demokit DemoKit - wModbus - S+S Regeltechnik

We also manufacture individually

Do you have special requirements? As a manufacturer with our own production facilities in Germany, we are also able to produce products outside of the standard range at any time.

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