Format Registers; C.31.3 Format Registers - Siemens HydroRanger 200 HMI Operating Instructions Manual

Communications
C.31 Format words
C.31.3

Format registers

Each format register is made up of three decimal fields:
● Decimal offset
● Secondary index
● Primary index
The primary and secondary indexes correspond to those that are used by the parameter.
The decimal offset indicates how the remote system must interpret the integer value that
is stored in the parameter access register. The following table shows how different
parameter values can be shown based on a register value (integer) of 1234.
Examples of using the format word for both the index values and the decimal offset value
are shown below:
To write these values you can use a decimal offset as follows: format word = (primary
index x 1 000) + (secondary index x 10) + (decimal).
338
Decimal
0
1
2
3
4
5
6
7
8
9
Format Primary index
00000 00
01003 01
02038 02
05159 05
Offset
0
-1
-2
-3
-4
-5
+1
+2
+3
Percent
Secondary index
00
00
03
15
Operating Instructions, 06/2018, A5E36281317-AC
Example
1,234
12,340
123,400
1,234,000
12,340,000
123,400,000
123.4
12.34
1.234
12.34 %
Decimal
0
3 right
3 left
Percent
HydroRanger 200 HMI