Interfaces to automation systems
8.2 Modbus interface
SITRANS SL
146 Operating Instructions, 12/2010, A5E01132948-04
8.2.4.3 Modbus alarm list
The status information is transferred in 32 bit integer words. SITRANS SL uses four Word-
Registers representing the detailed status information.
Status Word 1
Status Register description
DWORD BIT position Description Error Code
1 0 "No transmission" E1
1 1 "Low transmission " E2
1 2 "Receiver power" E3
1 3 "Receiver junction power" E4
1 4 "Transmitter power" E5
1 5 "Startup procedure active" E6
1 6 "Shutdown procedure active" -
1 7 "Line locking failure" E8
1 8 "Save settings active" E9
1 9 "Process temp. range" E10
1 10 "Process pressure range" E11
1 11 "Ext. temperature bad" E12
1 12 "Ext. temperature low limited" E13
1 13 "Ext. temperature high limited" E14
1 14 "Ext. temperature constant" E15
1 15 "Ext. pressure bad" E16
1 16 "Ext. pressure low limited" E17
1 17 "Ext. pressure high limited" E18
1 18 "Ext. pressure constant" E19
1 19 "Ext. temp. source disconnected" E20
1 20 "Ext. pressure. source disconnected" E21
1 21 "Laser current lower limit" -
1 22 "Ext. temperature uncertain" E23
1 23 "Ext. pressure uncertain" E24
1 24 "PROFIBUS configuration error" E25
1 25 "PROFIBUS connection error" E26
1 26 "PROFIBUS master switch off" E27
1 27 "PROFIBUS internal error" E28
1 28 "Temp. comp. file range" E29
1 29 "Prs. comp. file range" E30
1 30 "CurveFit temp. file range" E31
1 31 "CurveFit prs. file range" E32
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