Description of Functions
9-55
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
No. Value 0 Value “−1” All other posi-
tive values
All other nega-
tive values
1 the Length Measurement and Inprocess
Measurement functions are inactive
Actual position for rising touch-probe edge in Inpro-
cess Measurement and Length Measurement func-
tions
2 S the Length Measurement and Inprocess
Measurement functions are inactive
S always with the Inprocess Measurement
function
Actual position for falling touch-probe edge in
Length Measurement function
3 S the Length Measurement and Inprocess
Measurement functions are inactive
S always with the Inprocess Measurement
function
S measured length 0 is actually possible,
because touch probe has been con-
nected while axis is stationary
Erroneous
length mea-
surement
Measured
length
Nonexistent
9.3.11 Basic operating data (Read request in the user DB, DBX42.0)
Overview
The following display data are basic operating data:
S Actual position [MSR]
S Actual speed [MSR/min]
S Distance-to-go [MSR]
S Set position [MSR]
S Total of active coordinate shifts for tool offset, zero offset [MSR]
S Rotational speed (rotary axis only) [rpm]