38 Process Image
WAGO-I/O-SYSTEM 750 XTR
750-563/040-000 2AO 0/4-20mA/ 6-18V DC/ 16Bit /XTR
Manual
Version 1.3.0
4.4
Function Description
The conversion algorithm takes into account all calculation and assessment
steps of the process data to the analog output value. The individual steps are
explained in this section. The following flowchart provides an overview of the
stepwise processing of the input value.
Figure 7: Conversion Algorithm
4.4.1
Step 1 – Read X
IN
Process Data
X
IN
is transmitted to the module with the process data communication. The 16-bit
value depends on the data format.
The following data formats are possible:
Table 31: Possible Data Formats
Bit Width Description
Minimum Value
Maximum Value
16 bits
Integer without leading
sign
0
65535
16 bits
Integer with sign
−
32768
+32767
15 bits
Integer with sign bit
−
32767
(sign bit = 1)
+32767
(sign bit = 0)