Machine and cam data
9.10 Machine data of the encoder
FM 352 electronic cam controller
88 Operating Instructions, 05/2011, A5E01071724-03
Encoder type Frame length / type Range of values can be used as
linear axis
Single-turn encoder 13-bit half fir tree 64 ... 8192 in powers of 2
Single-turn encoder 13-bit right-justified 64 ... 8192 all values X
Single-turn encoder 25-bit right-justified 64 ... 2
25
all values X
Multiturn encoder 25-bit fir tree 64 ... 8192 in powers of 2
Multiturn encoder 25-bit right-justified 64 ... 2
24
all values
Listen in Fir tree 64 ... 8192 in powers of 2
Listen in Right-justified 64 ... 2
25
all values X
Special setting:
Multiturn encoder in
single-turn mode
25-bit half fir tree
64 ... 8192 in powers of 2
Note
The number of encoder pulses is calculated by multiplying the "increments per encoder
revolution" by the "number of revolutions" (see chapter "Resolution (Page 91)").
Number of encoder revolutions
Address Name Type Initial value Comment
36.0 NO_REV DINT L#1024 Number of encoder revolutions
Range of values:
1 (single-turn encoder)
2 to 2
19
(multiturn encoder)
The machine data "number of encoder revolutions" is only required for absolute encoders. You use it
to define the maximum number of revolutions of this encoder. To obtain more information about
absolute encoders, start by reading the "Absolute encoder (Page 141)" section in this manual.
Sing
le-turn encoder
Only the value "1" is possible.
Multiturn encoder
Multiturn encoder / listen in (fir tree): 2 ... 4096 in powers of 2
Multiturn encoder / listen in (right-justified): 2 ... 2
19
all values, but with the following restriction:
Increments/encoder revolution * number of encoder revolutions ≤ 2
25
.
Linear scale
You can also interconnect a linear scale. To do so, enter the value "1".
Total number of encoder steps
The total number of steps is not a machine data element.
Total number of steps = increments per encoder revolution * number of revolutions
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