FPBA-01 ABB inverter
update：2015-03-22 11:54 Click：times
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PROFIBUS network and FPBA-01 module Summary PROFIBUS network PROFIBUS is an open standard serial communication between, allowing all automation components Data exchange. There are mainly three kinds of PROFIBUS: PROFIBUS FMS (Fieldbus mess
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PROFIBUS network and FPBA-01 module Summary PROFIBUS network PROFIBUS is an open standard serial communication between, allowing all automation components Data exchange. There are mainly three kinds of PROFIBUS: PROFIBUS FMS (Fieldbus message specification) PROFIBUS DP (distributed peripheral) PROFIBUS PA (process automation). Physical transmission medium bus is twisted pair cable (RS-485 standard). The bus cable The maximum length of 100 to 1200 meters, the specific length depends on the transmission rate (see Technology Technical data section). Without using the repeater cases, at most 32 nodes can be connected Received the same PROFIBUS segment. If the use of repeaters, there can be 126 Node (including repeater and a host station) to connect to the network. In the PROFIBUS communication, by the host station -- usually a programmable logic control The controller (PLC) -- selection response node host command. The host can also use broadcast form Type to multiple nodes send command; in this case, nodes do not need to host sends back The feedback signal. |
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