Rockwell-automation 1746-HSRV SLC Servo Control Module User Manual Manuale Utente Pagina 159

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Publication 1746-6.1.2 - July 2000
9-16
Programming System Variables
1
s = Slot number for the SLC Servo Module
Floating-Point Values
Three floating-point value data items are shown below. We
recommend that you incorporate the following rung in the ladder
program to convert the integer data from the module to floating-point
data for comparison or display purposes.
Figure 9.3 Copy Command for Integer Data to Floating-Point Data Conversion
Status Block
Parameters
Location
1
Format Possible Values Default Description
Informational
Message Or Fault
Code
I:s.4 USHORT 0 to 65,535 0
Reserved I:s.5 STDSHORT –32,767 to +32,767 0
Actual Position I:s.6-I:s.7 Float axis travel limit to
+axis travel limit
0.0 The current actual position of the
axis; if inhibited, returns 0.
Following Error I:s.8-I:s.9 Float –axis travel limit to
+axis travel limit
0.0 The current following error of the
axis; if inhibited, returns 0.
Current Speed I:s.10-I:s.11 Float -physical limit to +physical
limit
0.0 The current speed of the axis; if
inhibited, returns 0.
COPY FILE
Source #I:1.6
Dest #F48:0
Length 3
Copy floating point data for actual
position, following error and speed
from the module discrete input words.
Note: SLC Servo Module is located in Slot 1
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