WAGO 750-830 Manual page 238

238 • Fieldbus Communication
MODBUS Functions
Register address 0x1024 (MODBUS Address 404133)
Designation CnfLen.DigitalOut
Access
Description Number of digital output bits in the process image
Register address 0x1025 (MODBUS Address 404134)
Designation CnfLen.DigitalInp
Access
Description Number of digital input bits in the process image
Register address 0x1028 (MODBUS Address 404137)
Designation
Access
Description
Register address 0x1029 (MODBUS Address 404138, with 9 words)
Designation
Access
Description
read
read
Boot options
read / write
Boot configuration:
1: BootP
2: DHCP
4: EEPROM
MODBUS TCP statistics
read / write
1 word SlaveDeviceFailure
by activated watchdog
1 word BadProtocol;
header
1 word BadLength;
1 word BadFunction;
1 word BadAddress;
1 word BadData;
1 word TooManyRegisters;
can be worked on is too large, Read/Write 125/100
1 word TooManyBits
be worked on is too large, Read/Write 2000/800
1 word ModTcpMessageCounter
With Writing 0xAA55 or 0x55AA in the register will reset this data area.
! internal bus error, F-bus error
! error in the MODBUS TCP
! Wrong telegram length
! Invalid function code
! Invalid register address
!
Invalid value
! Number of the registers which
! Number of the coils which can
! Number of received
MODBUS/TCP requests
WAGO-I/O-SYSTEM 750
BACnet/IP Controller