Encoder Parameters/Attributes
24
ATM60 / ATM90 / KHK53
Dec 2021
Customer-specified value
Adapted values (device-side)
ScF
R = 2
N
CPR
CMR
CPR
CMR
1,000
(x1)
67,108,864
1,000
8,192,000
1/n (*)
2
13
1,000
(x1)
67,108,863...
8,192,000
1,000
8,192,000
1/n (*)
2
13
1,000
(x1)
(8,192,000-1)...
4,096,000
1,000
4,096,000
1/n
(*)
2
12
(*1)
Value is not 2
N
; thus, the scaling factor never gives an integer result.
Examples of the conversion to a scaled position value:
•
physical position value (Pos_Phy): >>67,108,863<< (max. value)
Pos_Scal = (Pos_Phy
x
ScF)
%
CMR_a
(B1)
Pos_Scal = (67,108,863
x
1/2 )
%
16,777,216 = 16,777,215
(B2)
Pos_Scal = (67,108,863
x
[2,730/ 8,192]
)
%
22,364,160 = 22,364,159
This means that the max. physical position value supported by the encoder also corresponds
with the max. value within the scaled measuring range.
To operate a
rotary
encoder in 'Continuous Mode' (so-called rotary axis), CMR
must be a multiple (R = 2
N
) based on parameter 'CPR'. The device automatically
adapts the factor 'R' to the next possible lower value.
Factor R (N = 0,1,...13) is limited to
8192
(max. number of revolutions).
