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DataLab IO4/USB

DataLab IO4/USB

Case with CPU and 4 slots for input/output modules (USB interface)

Price for system integrators (excl. VAT): 154 EUR
List price (excl. VAT): 172 EUR
Manufacturer:Moravian Instruments

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*) Estimated availability varies depending on product options. Estimated availability does not include time of shipping and it is not obligatory.

I/O modules for DataLab IO

DataLab IO is a family of industrial I/O units with USB interface. Modular design of DataLab IO devices enables combination of I/O modules according to application needs—DataLab IO units have one, two or four slots for modules providing digital or analog inputs or outputs, counter inputs, inputs for various Resistance Temperature Detectors etc.

DataLab IO is a new generation of input/output devices for industrial applications. Unit's design is consistently modular. Every unit has four, two or just one slot for I/O modules, which can be chosen according the user needs. Individual module kinds (input or output, relay or open-collector, digital or analog etc.) may be combined within one unit. Available modules include analog inputs with 16-bit resolution, analog output with 12-bit digitization, counter modules, modules for Pt100/Pt1000 temperature sensors etc. Also combined modules, comprising e.g. four analog inputs, two analog outputs and two digital input/outputs on single module, are also available. The set of I/O modules is not closed—new kinds of modules are added.

It is possible to use less modules than the particular device supports, if the application requires less I/O points. It is of course possible to attach multiple I/O devices to one computer to increase total number of I/O points when necessary. If the number of free USB ports of the particular PC is less than required (2 to 6 USB ports are common on todays PCs), it is possible to expand number of ports with USB hub. USB transfer speed is high enough to easily handle communication of multiple industrial units on one USB port.

DataLab IO units communicate with the host PC through the fast Universal Serial Bus (USB). USB becomes commonly accepted standard, replacing older serial lines (COM ports), parallel interfaces (LPT ports) etc. While it is not possible to buy a new PC without USB interface now, traditional RS-232C interfaces are often missing.

USB brings to users number of advantages:

  • First, USB is standard and universally widespread.

  • High transfer speed 480 Mbps (USB 2.0 High Speed) or 12 Mbps (USB 1.1 Full Speed) allows fast transfer of large amount of data.

  • The configuration is fully automatic (Plug and Play), including driver installation. Just plug the DataLab IO device to the PC and the rest is performed by the operating system and the device driver. No settings of transfer speed, parity, number of stop bits etc. are necessary. Also the addressing of devices is automatic. Nobody needs to know the actual address to communicate with USB device.

  • USB cable contains different connectors on the host side (USB-A) and the client side (USB-B). This disables the wrong connection of USB devices with computer

The USB connector contains also power and ground pins (in addition to data pins, of course). The USB devices are divided to two groups from the power consumption point of view:

  • Self-powered devices do not use power provided by USB interface.

  • USB bus-powered devices. These devices are divided to two sub-groups:

    • Low consumption devices (with maximal current 100 mA from 5 V supply).

    • High consumption devices (with maximal current 500 mA from 5 V supply).

USB ports available on PCs should always provide at last 500 mA for each port to allow attachment of high consumption devices. The different situation is with USB hubs. If the hud is bus-powered, it usually takes 100 mA for itself. Than 100 mA can be provided for each of 4 attached low consumption devices. The hub is a high-consumption device from the host point of view and provides 4 low-consumption ports. There are also hubs with dedicated power supply. Such hub usually allows attachment of 4 high consumption devices.

Individual DataLab IO devices differ in number of modules they can work with as well as in the capability to use external power supply.

DataLab IO1

DataLab IO1 devices contain 1 slot for single I/O module.

The DataLab IO1 device (left) and its inside (right)

Because the power requirements of single I/O module never exceeds the USB limit (500 mA), these devices do not contain power supply and the external power connector is not present. There is only the USB connector on the DataLab IO1 device.

DataLab IO2

DataLab IO2 devices contain 2 slots for two I/O modules. The unit also contains USB connector and connector for external power supply 10 to 40 V DC.

The DataLab IO2 device (left) and its inside (right)

The DataLab IO2 devices can work in two modes—bus-powered and self-powered. The DataLab IO2 ability to work in bus-powered mode depends on the modules used in the device.

DataLab IO4

DataLab IO4 devices contain 4 slots for two I/O modules. The unit also contains USB connector and connector for external power supply 10 to 40 V DC.

The DataLab IO4 device (left) and its inside (right)

The DataLab IO4 devices can work in two modes—bus-powered and self-powered. The DataLab IO4 ability to work in bus-powered mode depends on the modules used in the device.

DataLab PC/IO

DataLab IO4 devices can be embedded into the DataLab PC industrial computer case.

DataLab PC/IO—the DataLab IO device embedded into DataLab PC case

DataLab PC/IO—the DataLab IO4 device embedded into DataLab PC case

Similarly to the standalone DataLab IO4 device, this unit contains 4 slots for I/O modules. USB connection to computer motherboard as well as the power lines are wired internally. Because the DataLab IO4 device is connected directly to the motherboard, all USB connectors on the DataLab PC I/O panel remain free for another peripherals.

If the DataLab IO devices are configured as bus-powered, the required current always exceeds 100 mA, so they are high-consumption devices. If the bus-powered DataLab IO is connected through a hub, the hub should be self-powered.

DataLab IO devices in bus-powered mode are suitable not only for permanent mounting to distribution boxes etc., but they are also ideal for usage as desktop I/O devices in laboratories and schools for ad-hoc experiments, laboratory training etc. DataLab IO can be easily connected to laptops and portable computers, where plug-in cards are not usable and which are sold without RS-232C interfaces now.

DataLab IO driver for Control Web process control software is available for free.