750-563 [2 AO 0/4-20mA / 6-18V DC 16 Bit] • 25
Parameter
Setting
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.9.2 Data Structures
2.1.1.9.2.1 Configuration Concept
In addition to direct register access, the registers 32, 33 ... 37, and 41 ... 42 are
also accessible via addresses of the parameter channel. The relationship
between these registers and the addresses of the parameter channel are
described in Chapter 4.6.
The content of the registers 17 ... 20, 33 ... 37, 41 and 42 are stored per
channel and operating mode in separate EEPROM ranges (banks).
2.1.1.9.2.2 Switching the Operating Mode
The switching of the operating mode occurs via the bits 4 and 5 in register 32.
When writing register 32 for switching the operating mode of a channel, the
user must make sure that in addition to the desired operating mode, all other
configuration values of the register are set correctly, because various settings
are possible per operating mode and channel.
If the module detects an operating mode change, then the associated data is
loaded from the associated permanent bank into the register. This also applies
for the transition from an undefined into a defined operating mode.
2.1.1.9.2.3 Register Access and EEPROM Banks
All registered on the parameter channel but for register 32 are really in the
RAM area. So that the contents are stored permanently, when writing to the
register via register communication or parameter channel, the content is
copied depending on the operating mode into the associated bank.
In the case of a configured undefined operating mode, this is refused and the
old operating mode is retained. If the access occurs via pure register
communication, no response is generated; for parameter channel
communication, the parameter channel error flag is set.
The principal behavior of the module when writing and reading the
configuration register is explained in the following descriptions.
