Siemens SIMATIC S7-300 Manual page 228
Fm 354 servo drive positioning module
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- Manual (676 pages) ,
- Reference manual (574 pages) ,
- Installation and operating manual (356 pages)
Table of Contents
Description of Functions
Measurement
The checkback signal ME (see Section 9.1) signals the status of function
checkback signals
execution, as follows:
"ME"
0
the Length Measurement and Inprocess
Measurement functions are inactive
with Start after a prior measurement
1
With the front edge of the touch probe signal
(= Inprocess Measurement is in progress)
In association with the ME checkback signal, the read-out measured values
are valid for the executed measurement process.
No.
Value 0
1
the Length Measurement and Inprocess Measure-
ment functions are inactive
2
the Length Measurement and Inprocess Mea-
surement functions are inactive
always with the Inprocess Measurement
function
3
the Length Measurement and Inprocess Mea-
surement functions are inactive
always with the Inprocess Measurement
function
measured length 0 is actually possible, be-
cause touch probe has been connected while
axis is stationary
9.3.11
Basic operating data (job no. 102)
Overview
The following display data are basic operating data:
9-52
Inprocess measurement
Actual position for rising touch-probe edge in Inprocess
Measurement and Length Measurement functions
Actual position for falling touch-probe edge in Length
Measurement function
Erroneous length
measurement
Actual position (MSR)
Actual speed (MSR/min)
Residual distance (MSR)
Set position (MSR)
Total of active coordinate shifts for tool offset, zero offset (MSR)
Rotational speed (rotary axis only) (rpm)
Length measurement
the Length Measurement and Inprocess
Measurement functions are inactive
with front edge of the touch probe signal
after a prior measurement
With the back edge of the touch probe signal
(= Length Measurement is in progress)
Value "–1"
All other posi-
tive values
Measured length
FM 354 Servo Drive Positioning Module
All other nega-
tive values
Nonexistent
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