Product Code: K.AMI.01L.20N.WO
AMIR KNX PLC is a modular device for rail mounting that allows to access data (communication objects) on the KNX bus and operate on them for logic processing. The device is equipped with an integrated bus communication module and is designed for rail mounting in distribution boards. The logic processing core is a PLC with a structure and a set of languages that comply to the international IEC 61131-3 standard. The PLC in its basic version is not meant to have onboard inputs or outputs (as with common industrial automation PLCs): it is specifcally targeted to operate on the communication objects that are defned and used in a KNX installation. The PLC is capable of addressing these objects in a mostly transparent way by seeing them as own internal variables. The binding of these variables to the appropriate communication objects is managed by a frmware library; the defnition of these bindings is made through a helper software tool that extracts the references to communication objects from an existing ETS project and compiles the corresponding defnitions to be copied into the PLC source code. Since the access to KNX objects is completely defned on the PLC side, and also because of the extreme fexibility and confgurability if its tasks, the device needs not - and indeed does not - have an ETS application program. For this reason, it does not appear in the ETS project as a component. The programmer and the confgurator, however, shall of course have a good awareness of how both sides of the system operate on the common object base, in order to achieve the desired operation and avoid unwanted interference. The device is powered by the KNX bus line with a 30 VDC SELV voltage and does not require auxiliary power.
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