Technical data

244 • Fieldbus Communication
MODBUS Functions
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Register address 0x2003 (MODBUS Address 408196)
Value Mask 1, GP_AAAA
Access Read
Description This constant is used to verify that all bits are accessible to the fieldbus
master. This will be used together with register 0x2004.
Register address 0x2004 (MODBUS Address 408197)
Value Mask 1, GP_5555
Access Read
Description This constant is used to verify that all bits are accessible to the fieldbus
master. This will be used together with register 0x2003.
Register address 0x2005 (MODBUS Address 408198)
Value Maximum positive number, GP_MAX_POS
Access Read
Description Constant in order to control arithmetic.
Register address 0x2006 (MODBUS Address 408199)
Value Maximum negative number, GP_MAX_NEG
Access Read
Description Constant in order to control arithmetic.
Register address 0x2007 (MODBUS Address 408200)
Value Maximum half positive number, GP_HALF_POS
Access Read
Description Constant in order to control arithmetic.
Register address 0x2008 (MODBUS Address 408201)
Value Maximum half negative number, GP_HALF_NEG
Access Read
Description Constant in order to control arithmetic.
Register address 0x3000 to 0x5FFF (MODBUS Address 412289 to 424576)
Value Retain range
Access read/write
Description These registers can be accessed as the flag/retain range.