5.35 MMA Function Block
Description
The MMA label stands for Min-Max-Average-Sum. This block is part of the Calculations category. It
looks like this graphically on the Control Builder.
Dynamic Parameters:
Parameter
Index
Type
status
0
REAL
MIN
1
REAL
MAX
2
REAL
AVG
3
REAL
SUM
4
REAL
SDEV
5
REAL
ALM
6
BOOL
X1-X6
7-12
REAL
Static Configuration Parameters: None
8/99
Table 5-43 MMA Dynamic Parameters
Use
R/W
Description
C
R
block status (see section 5.2 for code list)
O
R
minimum input value
O
R
maximum input value
O
R
average of input values
O
R
sum of input values
O
R
standard deviation of inputs
O
R
deviation alarm
I
R
inputs
RS232 Communications Reference Manual
Function Parameter Index Reference
77