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Выпала авария a115 на частотном преобразователе P3-E520-0.75K-NA. Аналогичные приборы ATV61QC63N4, VZA41P5EAA, FR-E720-470SC-NA установленные на насосах без ошибок.
Значение нашел через nigma по запросу "Ремонт частотного преобразователя Altivar ATV61 Plus atv61exc2с25n4" prom-electric.ru/articles/1/592/ . Неиcправен был оптотранзистор.
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Выпала error f06 на преобразователе частоты M700-03400078A. Другие приборы ATV12HU40M3, CIMR-F7Z40750B, EI-9011-125H на компрессорах без ошибок.
Методику нашел через майлру по запросу "buk9230-100b" prom-electric.ru/media/BUK9230-100B.pdf . Оказалось подгорел контроллер.
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the bits to indicate events. For example, firmware can turn on an LED when the node recognizes its address and turn on another LED after receiving a message. Add toggle or slide switches to spare input port bits and have the program send the values of the bits in its messages. Addressing In a typical network, each node has an assigned address and each message contains the address of the recipient. On receiving a message, a node must detect the address to determine whether to process or ignore the message. Assigning Addresses A node address is a value unique to the node and can be any number of bits. Some networks use addresses that correspond to ASCII codes. If there are fewer than 128 nodes, you don’t need 8 bits to specify the node and can get the most use out of a transmitted byte by assigning extra bits to other uses. For example, in a 16-node network, bits 0—3 can specify the node number, with bits 4—7 holding a command or other information. Detecting Addresses One challenge in sending addresses is that the nodes have to distinguish between addresses and other information. For example, imagine a network where each transmitted message begins with a byte containing the address of the recipient. On recognizing its address, a node knows that the bytes that follow are intended for it. If Node 05h receives the byte 03h followed by 05h, how does Node 05h know whether the second byte is part of a message meant for another node or an address that begins a new message? There are several ways to distinguish between addresses and other data: • The addresses can use a reserved set of values that messages never use. • The network can define a message format that specifies where the address is stored in messages. 272 Network Programming • Communications can dedicate one data bit to indicate whether the other data bits contain an address or data. Reserving Address Values Reserving a set of values for use only as addresses makes it easy to distinguish addresses from data with t prom-electric.ru

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