Constant Registers - WAGO 750 Series Manual

Register address 0x2012 (MODBUS Address 408211, with a word count of 1)
Value
Access
Description
Register address 0x2013 (MODBUS Address 408212, with a word count of 1)
Value
Access
Description
Register address 0x2014 (MODBUS Address 408213, with a word count of 1)
Value
Access
Description
Register address 0x2020 (MODBUS Address 408225, with a word count of upto 16)
Value
Access
Description
Register address 0x2021 (MODBUS Address 408226, with a word count of upto 8)
Value
Access
Description
Register address 0x2022 (MODBUS Address 408227, with a word count of upto 8)
Value
Access
Description
Register address 0x2023 (MODBUS Address 408228, with a word count of upto 32)
Value
Access
Description

6.5.5 Constant Registers

The following registers contain constants, which can be used to test
communication with the master:
Register address 0x2000 (MODBUS Address 408193)
Value
Access
Description
Register address 0x2001 (MODBUS Address 408194)
Value
Access
Description
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Item number, INFO_ITEM
Read
WAGO item number, e. g. 841 for the controller
Major sub item code, INFO_MAJOR
read
Firmware version Major Revision
Minor sub item code, INFO_MINOR
read
Firmware version Minor Revision
Description, INFO_DESCRIPTION
Read
Information on the controller, 16 words
Description, INFO_DESCRIPTION
Read
Time of the firmware version, 8 words
Description, INFO_DATE
Read
Date of the firmware version, 8 words
Description, INFO_LOADER_INFO
read
Information to the programming of the firmware, 32 words
Zero, GP_ZERO
Read
Constant with zeros
Ones, GP_ONES
Read
Constant with ones. Is –1 if this is declared as "signed int" or MAXVALUE
if it is declared as "unsigned int".
MODBUS Functions
Internal Variables
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