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4.2.5.2 Diagnostic Functions
The following registers can be read to determine errors in the node:
Register address 0x1020 (MODBUS Address 404129)
Designation
Access
Description
Register address 0x1021 (MODBUS Address 404130)
Designation
Access
Description
4.2.5.3 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
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
LedErrCode
read
Declaration of the Error code (see section 3.1.8.4 for error code definitons)
LedErrArg
read
Declaration of the Error argument (see section 3.1.8.4 for error code
definitons)
read
by 16 to get the total number of analog words)
read
16 to get the total number of analog words)
read
read
Fieldbus Communication
MODBUS Functions
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