Function Description; Step 1 - Read X; In Process Data; Figure 7: Conversion Algorithm - WAGO 750-563/040-000 Manual

38 Process Image
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
X is transmitted to the module with the process data communication. The 16-bit
IN
value depends on the data format.
The following data formats are possible:

Table 31: Possible Data Formats

Bit Width
16 bits
16 bits
15 bits
Manual
Version 1.3.0
750-563/040-000 2AO 0/4-20mA/ 6-18V DC/ 16Bit /XTR
Process Data
IN
Description
Integer without leading
sign
Integer with sign
Integer with sign bit
WAGO-I/O-SYSTEM 750 XTR
Minimum Value
0
−32768
−32767
(sign bit = 1)
Maximum Value
65535
+32767
+32767
(sign bit = 0)