Rockwell Automation Publication PFLEX-RM003E-EN-E - January 2011 209
Detailed Drive Operation Chapter 1
Compare Blocks
The compare block are used to compare two floating point values and indicate
which value is larger. It is possible to use the DInt to Real converter to convert
one double integer parameter to a floating point value and use that value as an
input to a compare block.
Configuration:
• Parameter 1062 [Logic/Cmpr State], bits 4 “Cmpr 1 A</=B”…7 “Cmpr 2
A>/=B” display the logical states of the compare functions (parameters
1071 [Compare 1A]…1074 [Compare 2B]. A value of 0 = False and 1 =
Tr u e . ”
• Parameter 1071 [Compare 1A] sets input A for the Compare 1. The
results of the compare are displayed in parameter 1062 [Logic/Cmpr
State].
Available functions are (A </= B, A >/= B).
• Parameter 1072 [Compare 1B] sets input B for the Compare 1. The results
of the compare are displayed in parameter 1062 [Logic/Cmpr State].
Available functions are (A </= B, A >/= B).
• Parameter 1073 [Compare 2A] sets input A for the Compare 2. The
results of the compare are displayed in Par 1062 [Logic/Cmpr State].
Available functions are (A </= B, A >/= B).
• Parameter 1074 [Compare 2B] sets input B for the Compare 2. The results
of the compare are displayed in Par 1062 [Logic/Cmpr State].
Available functions are (A </= B, A >/= B).
<
=
>
=
1071
1072
1062 04
1062 05
<
=
>
=
1073
1074
1062 06
1062 07
Compare 1A
Compare 1B
Compare 2A
Compare 2B
(Cmpr 1 A>/=B)
(Cmpr 2 A</=B)
(Cmpr 2 A>/=B)
(Cmpr 1 A</=B)
Logic/Cmpr State
Logic/Cmpr State
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