Condition Monitoring to Go

Turck’s IM18-CCM60 with the siineos operating system combines hardware and software into an efficient plug-and-play solution for smart control cabinet monitoring – easy to use, intuitive to operate and expandable at any time

Quick Read

Anyone who wants to monitor the climate in control cabinets efficiently will find a comprehensive range of control cabinet monitors for the DIN rail in Turck›s CCM family (CCM stands for cabinet condition monitoring). The devices automatically detect temperature, humidity and door closure with integrated sensors and are available in several performance classes, from the easy to retrofit IM12-CCM to the IIoT-capable Linux solution for OEMs, which can be seamlessly integrated into users’ automation networks via Ethernet. Turck’s IM18-CCM60 is a new member of the family with an app-based operating philosophy that is just as capable as a stand-alone system as it is in the cloud. This is made possible by the specially designed siineos operating system from the Chemnitz-based digitization specialist in.hub.

It has not only been since issues like sustainability and production efficiency have been hot topics that the temperature monitoring of control cabinets has been a concern for designers and plant engineers. Temperature, air humidity, but also the security of control cabinets are variables that play an important role in virtually any plant concept. Raised or irregular temperature conditions in control cabinets in particular can cause power loss or even the failure of individual devices. Several risks arise at the same time if the components of a control cabinet are arranged so that hotspots build up or hardly any cool air can flow: Precision measuring devices may in some cases lose their accuracy, the lifespan of components may be reduced or in the worst case may fail permanently. Complex systems such as controllers are particularly susceptible to heat. Most PLCs have a maximum operating temperature of 55 °C. This is just 15 °C above the “comfort temperature” of many control cabinets. Besides temperature and humidity, reliable and traceable protection against unauthorized access plays an important role in many applications, especially in so-called “critical infrastructures” (CRITIS) such as energy and water supply. 

Control cabinet monitoring detects anomalies early on

Even with an optimum topology or ventilation with air conditioning systems, however, it makes sense to electronically monitor the climatic conditions in the control cabinet permanently. This allows anomalies to be detected at an early stage and failures to be avoided – especially when devices are located in more remotely installed control boxes. This applies, for example, to outdoor areas where the weather is an external factor.

Turck has offered its CCM series as an easy to retrofit condition monitoring system for many years. The abbreviation CCM stands for “cabinet condition monitoring” and describes the central task of the compact DIN rail devices, which have three internal sensors for monitoring temperature, humidity and door distance. Depending on the model, data from additional external sensors can also be processed. Turck’s control cabinet monitors impress with their easy-to-use control functions. They automatically detect any door opening by measuring the distance to the door. These devices make every control cabinet fit for use in critical infrastructures without any significant outlay. The monitoring of door closure by the DIN rail device is also more reliable and tamper-proof than door contact switches and far less complex than roller switches.

  • The condition data recorded by the CCM control cabinet monitor allows predictive maintenance 

  • The IM18-CCM transfers measured values via Ethernet to IT networks and can even preprocess them remotely

  • siineos operating system, developed for this platform, guarantees ease of use and maximum performance

  • The integrated firewall guarantees secure communication with the IT world

  • Climate in view: The graphical display of the measurement curves provides a quick overview

  • IM-CCM (IMX12, IM12, IM18) cabinet guards offers condition monitoring solutions for end users and OEMs

  • The IM18-CCM connects external sensors and transfers measured values to higher-level systems via Ethernet

IM(x)12-CCM with switching contact and IO-Link

The first control cabinet monitors in the CCM series were the IM12-CCM and IMX12-CCM models (with Ex approval). The compact devices are simply clipped onto the DIN rail and send a signal precisely when defined values are exceeded or undershot, for example, when a device is overheated, dew forms in the control cabinet or the door has been opened. The IM12-CCM features an internal data logger with a time stamp and stores data for up to two years. This enables users to also detect creeping changes over long periods and rectify the cause. Two cabinet guards can be operated in master-slave mode via an interface in order to simultaneously monitor correct door closing and the other limit values at two points in the control cabinet. The master processes the data of the slave and sends a signal to the controller. The standard IM12-CCM comes with two switch contacts and an IO-Link interface. Quick teach mode enables the user to set the limit values easily in the field. Alternatively, parameters can be set via IO-Link or an FDT framework such as PACTware.


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IM18-CCM: connecting factory level and IT world

Following the proven devices of the IM12 series, Turck has built the bridge to the IIoT with the IM18-CCM. The devices can not only display the condition monitoring of control cabinets in the field, but also transmit the data to the IT world. The slim 18 mm device sends the measured values of the sensors to higher-level systems via two independent Ethernet interfaces. This can go as far as the cloud, thus giving maintenance personnel access to actual climatic data at any time via mobile terminals. The boundary between the operative level and the IT infrastructure is thus gradually disappearing. As a result, users can analyze factory floor data from their office desk.

However, this not only offers plant builders and users additional possibilities with regard to data output but also for collecting measured values. The RS485 interface (Modbus RTU or CAN) enables external devices such as vibration sensors to be connected to the IM18-CCM if required, in addition to the three sensors installed. For an ideal temperature image of a control cabinet, for example, several temperature sensors can be distributed to different positions. The data from three temperature sensors is often enough to obtain an accurate overall picture even in large cabinets. An add-on interface allows other devices such as the IM18-CCM51 to be connected for current measurement of 12 AC channels with up 600 A. The data transfer and power supply of the IM18-CCM modules is implemented via the backplane. 

IIOT for condition monitoring 

The IM18-CCM series is a powerful IIoT platform for condition monitoring and other IT applications. The IM18-CCM40 and IM18-CCM50 models with their Debian Linux system are designed primarily for OEM use. These have the option of adapting the systems precisely to their own structures and thus creating customized customer solutions. This enables programmers to feed specific routines into the device, for example for detecting a dew point or allowing for natural increases in temperature at the beginning of the summer months. Some users may likewise wish to upload their own cloud connector – the visualization of trends or the sending of an alarm then take place in the higher-level system. With its two independent Ethernet interfaces, the IM18-CCM provides an effortless connection between the OT and IT world. The device uses the TCP/IP, Modbus TCP and HTTP communication protocols. Other Ethernet-based protocols can be installed later at any time. 

As a flexible, open and attractively priced condition monitoring solution, the IM18-CCM40 is the first Choice device especially for simple application scenarios. The IM18-CCM50, with additional digital and analog inputs and larger working memory, covers all requirements beyond these.


Climate Monitoring of Solder Paste Storage

Turck Beierfeld is monitoring the climatic conditions of the solder paste storage with a system from its own company – with IM18-CCM50 control cabinet guards, CMTH condition monitoring sensors and data dashboards via Turck Cloud Solutions

IM18-CCM60: plug-and-play solution for smart condition monitoring

Turck is now offering the IM18-CCM60 as another model in its series of control cabinet monitors that now makes the capabilities of the CCM50 platform available to users without any programming knowledge. For this purpose, the new model is equipped with the siineos IIoT operating system, which the digitization specialists at in.hub developed specifically for the CCM platform. The IM18-CCM60 combines hardware and software into a smart plug-and-play solution that is easy to use anywhere. It is intuitive to operate, and can be integrated into higher-level systems at any time via MQTT or OPC UA – from an autonomous stand-alone system to an extensive condition monitoring solution with cloud integration.

The IM18-CCM60 enables users to solve condition monitoring tasks very efficiently by performing all configurations and parameterization intuitively via the browser-based, graphical interface. If you want, you can also use a terminal user interface such as PuTTY to program your own applications. The InCore framework integrated in siineos offers a wide range of ready-to-use components for easy operation of the integrated interfaces and sensors as well as all standard network and industrial protocols. 

Besides the existing apps, you can also create your own programs and apps or load them like on a smartphone. The web-based wizard accompanies the setup, so that even users without prior knowledge can handle the IM18-CCM60 without any problems. This also allows easy access to the internal sensors for temperature, humidity and door distance and the parameterization of diverse interfaces. A knowledge of programming is not required. 

Besides performance and user-friendliness, IT security was also a focus during development. A sophisticated firewall therefore allows full control of traffic into and out of the device. Furthermore, the IM18-CCM60 can also be set up as an OpenVPN client. This guarantees secure remote access to the device as well as optionally to connected machines.

Walk & Talk: IM18-CCM60

Expert Talk: IM18-CCM60

From the PoC to cloud integration

Since the IM18-CCM60 does not require any mandatory cloud or service accounts, users can also perform tests or proof of concepts offline without any effort. The recorded measurement data stays on the device and the user still has access to all available functions, such as database systems or graphical dashboards (Grafana). The device is then accessed directly via Ethernet or USB. In this way, test installations can identify sources of error and potential savings at an early stage. If desired, the installation can be integrated into larger condition monitoring solutions in the real production environment at any time, whether in local IT infrastructures or cloud-based systems.

Author | Klaus Ebinger is director product management for interface technology

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