WAGO 750-341 Manual page 156

152 • Internal Variables
Configuration Functions
6.5.3 Configuration Functions
The following registers contain configuration information of the connected
modules:
Register address 0x1022 (MODBUS Address 404131)
Designation CnfLen.AnalogOut
Access
Description Number of word-based outputs registers in the process image in bits (divide
Register address 0x1023 (MODBUS Address 404132)
Designation CnfLen.AnalogInp
Access
Description Number of word-based inputs registers in the process image in bits (divide by
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 a word count of upto 9)
Designation
Access
Description
read
by 16 to get the total number of analog words)
read
16 to get the total number of analog words)
read
read
Boot options
read / write
Boot configuration:
1: BootP
2: DHCP
4: EEPROM
MODBUS TCP statistics
read / write
1 word SlaveDeviceFailure
1 word BadProtocol;
1 word BadLength;
2 words BadFunction;M
2 words Bad Address;
2 words BadData;
2 words TooManyRegisters; -> Number of the registers which can be
2 words TooManyBits
2 words ModTcpMessageCounter-> Number of received MODBUS/TCP
With Writing 0xAA55 or 0x55AA in the register will reset this data area.
-> internal bus error, F-bus error by
activated watchdog
-> error in the MODBUS TCP header
-> Wrong telegram length
-> Invalid function code
-> Invalid register address
-> Invalid value
worked on is too large, Read/Write
125/100
-> Number of the coils which can
be worked on is too large, Read/Write
2000/800
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