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Proline Promass 83E/F/O Modbus RS485 Operating Instructions

Proline Promass 83E/F/O Modbus RS485 Operating Instructions

Proline Promass 83E/F/O Modbus RS485 Operating Instructions

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<strong>Proline</strong> <strong>Promass</strong> 83 <strong>Modbus</strong> <strong>RS485</strong>Operation5.4 Error messages5.4.1 Type of errorErrors which occur during commissioning or measuring operation are displayed immediately. If twoor more system or process errors occur, the error with the highest priority is the one shown on thedisplay.The measuring system distinguishes between two types of error:• System error: Includes all device errors, e.g. communication errors, hardware errors, etc.ä 90• Process error: Includes all application errors, e.g. fluid not homogeneous, etc. ä 96Fig. 29: Error messages on the display (example)1 Error type: P = process error, S = system error2 Error message type: $ = fault message, ! = notice message3 Error designation4 Error number5 Duration of most recent error occurrence (hours: minutes: seconds)!Note!5.4.2 Error message typeThe measuring device permanently assigns two types of error messages (fault message or noticemessage) to system errors and process errors, thereby giving them a different weighting ä 89 ff.Serious system errors, e.g. module defects, are always identified and classed as "fault messages" bythe measuring device.Notice message (!)• The error in question has no effect on the current measuring operation and the outputs of themeasuring device.• Displayed as Exclamation mark (!), type of error (S: system error, P: process error)Fault message ( $)• The error in question stops or interrupts running operation and has an immediate effect on theoutputs. The response of the outputs (failsafe mode) can be defined by means of functions in thefunction matrix ä 89.• Displayed as Lightning flash ( $ ), type of error (S: system error, P: process error)• Error conditions can be output via the relay outputs or the fieldbus communication.• If an error message occurs, an upper or lower signal level for the breakdown informationaccording to NAMUR NE 43 can be output via the current output.Issue/Rev. 0.2 (12/12) MN0M030 • Page 41

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