Siemens SENTRON PAC RS485 Manual page 5

Expansion module
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Contacts in your region - worldwide...............................................................................................9
Online service and support ............................................................................................................9
Technical Support ........................................................................................................................10
Structure of the message frame...................................................................................................29
Supported function codes ............................................................................................................31
MODBUS exception codes ..........................................................................................................33
Available measured variables ......................................................................................................34
Modbus Offset 203, Register 2: Limit Violations..........................................................................39
Status parameters........................................................................................................................39
Settings parameters.....................................................................................................................40
Settings parameter for the digital input ........................................................................................41
Settings parameter for the digital output......................................................................................41
Settings parameter for the display ...............................................................................................43
Settings parameter for limit value 0 .............................................................................................43
Settings parameter for limit value 1 .............................................................................................44
Settings parameter for limit value 2 .............................................................................................45
Settings parameter for limit value 3 .............................................................................................47
Settings parameter for limit value 5 .............................................................................................49
Command parameters .................................................................................................................51
Communication parameters.........................................................................................................52
0x03 and 0x04 .............................................................................................................................54
I&M 1-4 parameters with the function codes 0x03, 0x04 and 0x10.............................................54
MODBUS standard device identification parameters ..................................................................55
Parameters supported by the broadcast commands ...................................................................56
Factory settings............................................................................................................................57
Structure of the setting versions ..................................................................................................59
Setting options .............................................................................................................................60
Performance calculation ..............................................................................................................60
Fault and status indication by the LED ........................................................................................64
The device meets the following standards...................................................................................67
PAC RS485
Manual, 02/2008, A5E02091800B-01
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