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186 • MODBUS FunctionsInternal VariablesWAGO-I/O-SYSTEM 750ETHERNET TCP/IPRegister address 0x2002 (MODBUS Address 408195)Value 1,2,3,4, GP_1234Access ReadDescription This constant value is used to test the Intel/Motorola format specifier. If themaster reads a value of 0x1234, then with Intel format is selected – this is thecorrect format. If 0x3412 apears, Motorola format is selected.Register address 0x2003 (MODBUS Address 408196)Value Mask 1, GP_AAAAAccess ReadDescription This constant is used to verify that all bits are accessible to the fieldbusmaster. This will be used together with register 0x2004.Register address 0x2004 (MODBUS Address 408197)Value Mask 1, GP_5555Access ReadDescription This constant is used to verify that all bits are accessible to the fieldbusmaster. This will be used together with register 0x2003.Register address 0x2005 (MODBUS Address 408198)Value Maximum positiv number, GP_MAX_POSAccess ReadDescription Constant in order to control arithmetic.Register address 0x2006 (MODBUS Address 408199)Value Maximum negativ number, GP_MAX_NEGAccess ReadDescription Constant in order to control arithmetic.Register address 0x2007 (MODBUS Address 408200)Value Maximum half positiv number, GP_HALF_POSAccess ReadDescription Constant in order to control arithmetic.Register address 0x2008 (MODBUS Address 408201)Value Maximum half negativ number, GP_HALF_NEGAccess ReadDescription Constant in order to control arithmetic.Register address 0x3000 to 0x5FFF (MODBUS Address 4012289 to 424575)Value Retain rangeAccess read/writeDescription These registers can be accessed as the flag/retain range. |
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