Siemens Simatic RTU3030C, Руководство по эксплуатации

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Program blocks
5.5 Blocks for basic types of calculation
RTU303xC
260
Operating Instructions, 06/2019, C79000-G8976-C382-06
Parameters
Parameters Tag type / range of
values
Description
Input parameters
En
Enable parameter, see section Often used parameters
(Page 252).
Input 1 Analog input / bit
memory
Event counter / usage
meter
Minuend. The values of the inputs 2 ..4 are subtracted
from this input.
Input 2 .. Input 4 Analog input / bit
memory
Event counter / usage
meter
Subtrahends The sum of the values of the activated
inputs 2 to 4 is subtracted from the value of Input 1.
Inputs with the setting "Unused" are not evaluated.
Output parameters
Difference
Analog memory bit
• Configured as a
floating-point
number:
±3.402823 e-38 ..
±3.402823 e+38
•
Configured as a
counter:
0 .. 4294967295
Tag in which the calculated difference is output.
Error Digital output / bit
memory
Error display:
•
0: Block processing completed without errors
• 1: Block processing aborted with an error
For the meaning, see Often used parameters
(Page 252).
5.5.3 Multiplication
Function
The block multiplies the values of up to four analog inputs. The product is written to the
output.