Advanced Function Programming
3-5
SIMATIC 505–2556 Installation and Operation Guide
3.2 Internal Register Structures
The
SIMA
TIC 505–2556 module in the high-density mode logs in to the
controller as 32 WX input registers, 32 WY output registers and 16 X and
16 Y discrete inputs and outputs. This high-density configuration provides
support for reading the raw data and the processed data, and for writing the
configuration data to the module. Refer to section 3.7 for a one-page
summary of I/O assignments.
Starting login addresses and the locations of their corresponding registers
are shown in T
able 3-1.
T
able 3-1
Input and Output Register Of
fsets
Starting Controller Address 1 105
X registers begin 1 105
Y registers offset 16 17 121
WX registers offset 32 33 137
WY registers offset 64 65 169
The
word input content of the module consists of 32 WX input registers.
These registers present the raw measured data and the processed data to
the controller
.
WX33 – WX48 contain the converted data in engineering units for the
sixteen input channels, as shown in T
able 3-2.
T
able 3-2
Input Channel Data
WX33 Channel
1
Conversion data
. . .
. . .
WX48 Channel 16 Conversion data
Description
of the
I/O Registers
Input Registers
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