5
3.6
Data Types Supported by Communication PV and Display
Limits
The following table shows the display limits for each of the data types supported by communication
PV. For the FLOAT type, a fixed decimal place display and an auto range display (see section 3.4) are
available. The following table shows the figures for the fixed decimal place. Numbers outside the
-19999 to 99999 range ignoring the decimal point are displayed as ±OVER.
Table 3.5.1 Data types supported by communication PV and display limits
Decimal
place
parameter
Low limit
of
expression
High limit
of
expression
BIT
display range
16 bit integer
(signed)
display range
32 bit integer
(signed)
display range
FLOAT
display range
(when
fixed
decimal point
is selected)
0
-19999
99999
High limit: 1
Low limit: 0
High limit:
32767
Low limit:
-19999
High limit:
99999
Low limit:
-19999
High limit:
99999
Low limit:
-19999
1
-1999.9
9999.9
High limit: 0.1
Low limit: 0.0
High limit:
3276.7
Low limit:
-1999.9
High limit:
9999.9
Low limit:
-1999.9
High limit:
9999.9
Low limit:
-1999.9
2
-199.99
999.99
High limit:
0.01
Low limit:
0.00
High limit:
327.67
Low limit:
-199.99
High limit:
999.99
Low limit:
-199.99
High limit:
999.99
Low limit:
-199.99
3
-19.999
99.999
High limit:
0.001
Low limit:
0.000
High limit:
32.767
Low limit:
-19.999
High limit:
99.999
Low limit:
-19.999
High limit:
99.999
Low limit:
-19.999
4
-1.9999
9.9999
High limit:
0.0001
Low limit:
0.0000
High limit:
3.2767
Low limit:
-1.9999
High limit:
9.9999
Low limit:
-1.9999
High limit:
9.9999
Low limit:
-1.9999