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Applications
The following present some typical applications for the various network controllers of the netX family.
Typical PROFIBUS-/MPI-Slave-Interface with DPM coupling to the Host The Firmware is stored in the local Flash and makes use of the RAM in the netX 50. The easiest way to build up the field bus interface is from the IL 485 which, besides the galvanic separation, also contains the RS485 driver.
The netX 50 carries out the whole communication autarchly and only exchanges the user data with the Host via the DPM.
Because of the integrated PHYS, the switching-on of the Real-Time Ethernet is very simple and only requires external storage. For performance and price reasons, an external SDRAM is recommended. In this example the Firmware in the starting phase is loaded by the Host into the SDRAM via the DPM.
Very compact and flexible solutions are possible with the three communication channels of the netX 100. This example combines Real-Time Ethernet with a field bus. The Firmware is stored in a serial EPROM and is loaded into the SDRAM when started from the Bootloader. The security memory is connected to the 12C Bus. A licence code must be entered in the case of a Master stack. In addition, MAC addresses, serial numbers and other device data can be saved here.
For instance, with this software and with this build-up, all combinations of PROFIBUS-/MPI-Slave-Interface can be set.
This example shows the easy build-up of an IO module for Ethernet/IP, EtherCAT, Powerlink, PROFINET, SERCOS III and other Real-Time Ethernet systems.
In this case the connections to the Dual Port Memory are configured as PIOs and control local IOs.
Motion drives of medium complexity can be built up with a netX 100. All the necessary peripherals of two-channel converter with Sample and Hold level, three-
phase PWM with Dead Time setting and two encoder inputs are available.
Besides the communication, the all of the controls of position speed and power can be carried out with the netX 100. In this case use is made of the computing power of the RISC controller of the fourth channel, which is not available for communication.
It is interesting that the Motion peripheral units are controlled by means of a communication ALU and the synchronization between the Real-Time Ethernet and the drive controls is not influenced by the interrupt latent time of the ARM.
The netX 50 permits the build-up of HMI terminals with integrated communication.
Windows CE, Limux or the Hilscher own rcX Real-Time kernel run on the terminal. However, at present only protocol stacks for rcX are available.
The UBS interface can be driven as Host or device. A MMC board can be used as a storage medium at the SPI interface or a compact Flash board with connection to the extension bus. The Touch Controller is achieved with the integrated AD converter.