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Pange tähele,et hind muutus! Examples include recommended measures on fire-fighting, transport, recycling and disposal. Release to the environment of this substance can occur from industrial use: of articles where the substances are not intended to be released and where the conditions of use do not promote release and industrial abrasion processing with low release rate e.

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Davidson, P. To accommodate this, a number of control interfaces for example, analogue signals and RS serial lines must be employed. Ideally, all of the systems should be able to be controlled from a central location, remote from the actual devices.

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To this end a system based around VAX computers and VME crates has been designed and is currently being developed and implemented. Communication with the VAXstation is via DECnet, on a private ethernet to allow communication rates unaffected by unrelated network activity and potentially increasing the security of the system by providing a possible network isolation point. Also on this ethernet are a number of terminal servers to control RS devices.

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A central database contains all device control and monitoring parameters. The main control process running on the VAXstation is responsible for maintaining the current values of the parameters in the database and for dispatching control messages to the appropriate VME crate or RS serial line.

Separate graphical interface processes allow the operator to interact Ultra ZX Fat Burner the control process, communicating through shared memory.

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Many graphics processes can be active simultaneously, displaying either on a single or on multiple terminals. Software running on the rtVAX controllers handles the low-level device-specific control by translating messages from the main control process to VME commands which set hardware outputs on VME modules.

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