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Alarm, error, and system messages
10.3 PROFIBUS diagnosis and alarms
10.3.2
Meaning of the diagnosis information
Standard PROFIBUS-DP mechanisms are used to transport diagnosis information and to
signal actively to the class 1 master. The DIAGNOSIS parameter from the Physical Block is
then available to the master as diagnostic information.
To view the diagnosis information from PROFIBUS, the module information of the DP slave
is viewed and the respective text from the GSD file is displayed on the DP slave diagnostics
screen.
The following table shows the assignment of the error signals and maintenance requests
from the device to the diagnosis bits of the physical block in the GSD file and the related
error code. The explanation and proposed remedial actions for each error code can be found
in the Alarm list section.
Bit position
Error text message in GSD file
Error Code
Unit_Diag_Bit(16)
"Status appears"
-
Unit_Diag_Bit(17)
"Status disappears"
-
Unit_Diag_Bit(24)
"No transmission"
E1
Unit_Diag_Bit(25)
"Low transmission"
E2
Unit_Diag_Bit(26)
"Receiver power"
E3
Unit_Diag_Bit(27)
"Receiver junction power"
E4
Unit_Diag_Bit(28)
"Transmitter power"
E5
Unit_Diag_Bit(29)
"Startup procedure active"
E6
Unit_Diag_Bit(30)
"Shutdown procedure active"
-
Unit_Diag_Bit(31)
"Line locking failure"
E8
Unit_Diag_Bit(32)
"Save settings active"
E9
Unit_Diag_Bit(33)
"Process temp. range"
E10
Unit_Diag_Bit(34)
"Process pressure range "
E11
Unit_Diag_Bit(35)
"Ext. temperature bad"
E12
Unit_Diag_Bit(36)
"Ext. temperature low limited"
E13
Unit_Diag_Bit(37)
"Ext. temperature high limited"
E14
Unit_Diag_Bit(38)
"Ext. temperature constant"
E15
Unit_Diag_Bit(39)
"Ext. pressure bad"
E16
Unit_Diag_Bit(40)
"Ext. pressure low limited"
E17
Unit_Diag_Bit(41)
"Ext. pressure high limited"
E18
Unit_Diag_Bit(42)
"Ext. pressure constant"
E19
Unit_Diag_Bit(43)
"Ext. temp. source disconnected"
E20
Unit_Diag_Bit(44)
"Ext. prs. source disconnected"
E21
Unit_Diag_Bit(45)
"Laser current lower limit"
-
Unit_Diag_Bit(46)
"Ext. temperature uncertain"
E23
Unit_Diag_Bit(47)
"Ext. pressure uncertain"
E24
Unit_Diag_Bit(48)
"PROFIBUS configuration error"
E25
Unit_Diag_Bit(49)
"PROFIBUS connection error"
E26
Unit_Diag_Bit(50)
"PROFIBUS master switch off"
E27
Unit_Diag_Bit(51)
"PROFIBUS internal error "
E28
Unit_Diag_Bit(52)
"Temp. comp. file range"
E29
178
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04