Siemens Model 240 Service Manual download pdf (Page 654)

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Faults and Alarms

Faults and Alarms – Overview

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SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011

3.1 Faults and Alarms – Overview

3.1.1 General information

Indicating fault and alarm messages (faults and alarms)

A message comprises a letter followed by the relevant number.

The letter characterizes the message type and has the following meaning:

 A means "Alarm"

 F means "Fault"

 N means "No Report" or "Internal Report"

 C means Safety message

Brackets including the letters A, F, or N indicate that the message type can be

changed, e.g. A01016 (F) means that the alarm A01016 can be parameterized as

a fault. The letter in brackets shows which message type can be adjusted via

parameters p2118 and p2119.

Example:

p2118[5] = 1016 (alarm A01016 (F) “Firmware changed“)

p2119[5] = 1 (p2119 = 1is equivalent to fault (F))

In this case the alarm "Firmware changed" will become a fault.

Faults are stored in parameter r0945/r0947, under their code number (e.g.

F01003 = 1003). The associated fault value can be found in parameter r0949.

The value 0 is entered if a fault has no fault value. It is furthermore possible to

read out the point in time that a fault occurred (r0948) and the number of faults

(p0952).

Alarms are stored in parameter r2110/r2122, under their code number (e.g.

A01503 = 1503) and can be read out from there. The associated alarm value can

be found in parameter r2124 and the time of alarm occurence in r2123.

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