Step Description min value [%] average value [%] max value [%]
1 A bar min Avg From 40 to 60 max
2 B bar min avg max
3 A gap min Avg From 40 to 60 max
4 B gap min avg max
5 A to B phase shift min avg max
6
N gap channel A
biggest neighbour N gap
[%] of average gap around [-8...+8] of reference mark
7 N gap channel A <=108 From 160 to 220
8.1 Number of increments
Number of invalid
measurements
256 or --- 256 or ---
The values for 1-6 are read out in per-cent of the average bar/gap in the average cycle time.
Channel B is not measured
The values for 7 are read out in per-cent of the average gap width in the interval [-8 .. +8] around zero reference.
The values for 8 are counts and in case of malfunction additional error codes.
With digital machines the minimum and maximum values are read out upon operation of the Special function key, the
“RETURN” key is used to proceed to the next value.
Comments: None.
More detailed information about step 8 :
Press button “RETURN” Key to enter in Step 8 and “+/-” one to switch from step to step
Cases of indication with digital display in step 8:
LH display RH display Increment count channel A Increment count channel B Malfunction
8. --- Not analyzed Not analyzed No
8. 256 256 256 No
8.- 256 256 256 Yes
8.-A 256 256 Not analyzed Yes
8.-A XXX XXX Not analyzed Yes
8.-A XXX XXX 256 Yes
8.-A XXX XXX YYY Yes
8.-B 256 Not analyzed 256 Yes
8.-B YYY Not analyzed YYY Yes
8.-B
YYY 256 YYY Yes
Table legend: “XXX”, “YYY“: Number different from 256; 0 has the special meaning: 2
nd
zero mark was not
detected, but should have been.
“N o t a n a l y z e d ”: Due to the limited range of memory, increment data of only 1.5 revolutions is stored. The
probability that two zero marks fall inside the 1.5 revolutions range, is 50 %. With only one zero mark detected inside
the range, the data recorded cannot be analyzed.
LH display group
Reading Meaning
8.__
Step 8 of Test function C54 active
__-_
Divergence between channel A and channel B
___A
RH display is count of channel A
___B
RH display is count of channel B
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