L-9517-9563-06-A_Data_sheet_ATOM_en.pdf - 第6页

6 A TOM miniature encoder system Readhead output signals 1 All power connections can be used either to minimise v oltage drop down the cable or incorporate voltage sensing. 2 Only av ailable on interboard connector . 15 …

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5 ATOM miniature encoder system
ATOM readhead dimensions
Dimensions and tolerances in mm
No hole here on
FPC variant
6.45 (Cabled version)
5.4 (FPC version)
1.4 (40 µm version)
1.9 (20 µm version)
20.5
8.5
16.5
10.25
12.7
8.7
2
4.15
4.85
2
3 off mounting holes
Ø2.5 min through
Ø9 max
FPC cable
Set-up LED
1
Mounting face
Readhead
datum faces
5 min
Ø3.5 max
R > 20 Dynamic bend radius
R > 10 Static bend radius
2
4.4
Readhead / scale
orientation
Identication marks for readhead manufacture only.
Notches will vary depending on readhead type.
1
On FPC variants the set-up LED cut-out is circular.
2
Not optical centreline.
6 ATOM miniature encoder system
Readhead output signals
1
All power connections can be used either to minimise voltage drop down the cable or incorporate voltage sensing.
2
Only available on interboard connector.
15 way D-type plug
Interboard
connector
1
2
13
14
FPC
connection
Pin 1
JST
connector
Pin 1
Pin 12
JST
2
(on interboard)
Interboard
connector (T)
FPC
(F)
15-way D-type
(D)
Function Signal Colour Pin Pin Pin Pin
Power
1
5 V Brown 11 4 9, 10 4, 5
0 V White 5 13 3, 6, 11, 14 12, 13
Incremental Cosine
V
1
+ Red 4 9 5 9
− Blue 3 5 4 1
Sine
V
2
+ Yellow 7 12 2 10
− Green 6 14 1 2
Reference mark
V
0
+ Violet 10 2 13 3
− Grey 9 8 12 11
Set-up V
X
Clear 12 6 16 6
Remote CAL CAL Orange 8 10 15 14
Shield - Screen Cable ferrule Cable ferrule Readhead body Case
Do not connect - - 1, 2 1, 3, 7, 11 7, 8 7, 8, 15
Maximum speed
40µm readhead - 20m/s (−3dB)
20µm readhead - 10m/s (−3dB)
7 ATOM miniature encoder system
For further information on the use of RKLF scale for partial arc applications refer to the RKL partial arc scale data sheet (Renishaw part no. L-9517-9897).
Dimensions and tolerances in mm
RKLF tape scale installation drawing
0.36
0.18
(Roll tol. ±1°)
40 µm version
(Yaw tol. ±1°)
20 µm version
(Yaw tol. ±0.5°)
Scale datum edge
Reference mark
Reference mark
Set-up LED
Offset 2.02 ±0.25
50
50
Scale thickness 0.15
(including adhesive)
0.36
(Pitch tol. ±1°)
Calibration rideheight:
2.5 ±0.08 (40 µm version)
2.5 ±0.04 (20 µm version)
Operating rideheight:
2.5 ±0.11 (40 µm version)
2.5 ±0.055 (20 µm version)
Forward direction of readhead
relative to scale
0.22
FPC cable
Readhead /scale orientation
15
30
13
End clamp
(Pair A-9523-4015)
6
For detailed installation drawings refer to www.renishaw.com/atomdownloads.