298 • Common MODBUS functions
Configuration function
Modular I/O System
ETHERNET TCP/IP
6.2.14 Configuration
function
The following registers can be read, in order to determine the configuration of
the connected modules:
Register address 0x1022
Designation
CnfLen.AnalogOut
Access
Read
Description
Number of I/O bits with the process data words of the outputs
Register address 0x1023
Designation
CnfLen.AnalogInp
Access
Read
Description
Number of I/O bits with the process data words of the inputs
Register address 0x1024
Designation
CnfLen.DigitalOut
Access
Read
Description
Number of I/O bits with the process data bits of the outputs
Register address 0x1025
Designation
CnfLen.DigitalInp
Access
Read
Description
Number of I/O bits with the process data bits of the inputs
Register address 0x1027
Designation
Perform an internal bus cycle
Access
Read
Description
Register address 0x1028
Designation
Activate/deactivate configuration via BootP
Access
read / write
Description
0: No BootP is used
1: BootP is active
Register address 0x2030
Designation
Description of the connected I/O modules
Access
Read
Description
Length 65 words