Rievtech x-Messenger Series - Analog Math Error Detection

289
Examples
The following tables show some simple example analog math block parameters, and the resulting equations
and output values:
V1
Operator1
V2
Operator2
V3
Operator3
V4
12
+(M)
6
/(H)
3
-(L)
1
Equation: (12 + (6 / 3)) - 1
Result: 13
V1
Operator1
V2
Operator2
V3
Operator3
V4
2
+(L)
3
*(M)
1
+(H)
4
Equation: 2+ (3*(1+4))
Result: 17
V1
Operator1
V2
Operator2
V3
Operator3
V4
100
-(H)
25
/(L)
2
+(M)
1
Equation: (100 – 25) / (2 + 1)
Result: 25
6.5.31 Analog math error detection
Short Description
The analog math error detection block sets an output if an error has occurred in the referenced analog math
function block.
Connection
Description
Input EN
Enable the analog math error detection function block.
Input R
Reset the output
Parameter
Referenced FB: block number of an analog math instruction
Error to detect: Zero division, Overflow, or Zero division OR Overflow.
Auto Reset: Reset the output when the failure condition clears.
Output AQ
Q is set high if the error to detect occurred in the last execution of the
referenced analog math function block.
Parameter Referenced FB