70 •
BACnet/IP Controller 750-830
Data
Exchange
WAGO-I/O-SYSTEM
750
BACnet/IP Controller
3.1.6.2.4
Absolute Addressing
Direct presentation of individual memory cells (absolute addresses) based on
IEC 1131-3 is performed using character strings:
Tab. 3-13: Absolute addresses
Position
Prefix
Designation
Commentary
1
%
Introduces an absolute address
2
I Input
Q Output
M Flag
3
X*
Single bit
Data width
B
Byte (8 bits)
W
Word (16 bits)
D
Double word (32 bits)
4
Address
such as word-by-word: %QW27 (28th word), bit-by-bit: %IX1.9 (10th bit in the 2nd word)
* The designator "X" for bits can be omitted
Note
The character strings for absolute addresses must be entered connected, i.e.
without spaces or special characters!
Addressing Example:
Inputs
Bit
%IX14.0 ... 15
%IX15.0 ... 15
Byte %IB28
%IB29
%IB30
%IB31
Word
%IW14 %IW15
Double word
%ID7
Outputs
Bit
%QX5.0 ... 15
%QX6.0 ... 15
Byte %QB10
%QB11
%QB12
%QB13
Word
%QW5 %QW6
Double word
%QD2 (top section)
%QD3 (bottom section)
Flag
Bit
%MX11.0 ... 15
%MX12.0 ... 15
Byte %MB22
%MB23
%MB24
%MB25
Word
%MW11 %MW12
Double word
%MD5 (top section)
%MD6 (bottom section)
Содержание 750-830
Страница 359: ...Index 359 WAGO I O SYSTEM 750 BACnet IP Controller...