Diagnostic system.The DDL (1) (Data Description Language) A language used to define data and their relationships to other data. It is used to create the data structure in a database. Major database management systems (DBMSs) use a SQL data description language. pneumatic pneumatic /pneu·mat·ic/ (noo-mat´ik) 1. pertaining to air. 2. respiratory. pneu·mat·ic adj. 1. Of or relating to air or other gases. 2. valve diagnostic system is said to offer tar superior fault detection than currently available. With pneumatic valves, faults are usually displayed with the aid of LEDs, or through indirect monitoring of cylinders by means of sensors
prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. the company. All these methods, however, are said to signal only the existence of the fault itself. The specific maintenance required can be deduced only rarely, or with considerable experience, according to the manufacturer. The DDL (drive diagnostic link) system is said to facilitate not only the basic operation of the valve units, but beyond, by offering detailed monitoring of the electrical control system. The diagnostics system checks every valve, using criteria such as tolerance of the supply voltage, recognition of the solenoid solenoid (sō`lənoid'), device made of a long wire that has been wound many times into a tightly packed coil; it has the shape of a long cylinder. coil and short circuit display. From the results of these tests, the control system is able to generate and display appropriate clear text messages, allowing the diagnostics system to not have to wait for a fault to occur before it begins to function. The check can be carried out as soon as the machine is switched on. Bosch Rexroth Circle 70 on card |
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