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PLC link
12
PLC link
The weighing module is controlled by the PLC (control system) completely via
Profibus DP, Profinet or Ethernet/IP.
Values are transferred from the terminal and the PLC by exchanging data
words.
12.1 Number format of input and output words (16-bit)
Information
The bit address is organized byte-wise in the I/O range of the PLC, meaning
EW0 is distributed across bytes
EB0 and EB1, with the less significant bits in EB1!
Number format as 16-digit dual numbers or as bit pattern:
Word no.
n
Byte no.
N (High byte)
Bit no.
15
15
Meaning
2
The value range for Int16 (16-bit integer) is -32768 to 32765.
The value range for UInt16 (16-bit unsigned integer) is 0 to 65535.
150
14
13
12
11
14
13
12
11
2
2
2
2
A04500_02_Y00_00 HBM: public
N+1 (Low byte)
10
9
8
7
10
2
2
2
2
9
8
7
6
5
4
3
2
2
2
2
2
2
6
5
4
3
2
1
0
2
2
1
0
WTX120
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