HEDS-974 HP [Agilent(Hewlett-Packard)], HEDS-974 Datasheet - Page 4

• Manufacturer Part Number: HEDS-974
• Description: Agilent HEDS-974x Series for 180, 300, 360 LPI Small Optical Encoder Modules
• Manufacturer: HP [Agilent(Hewlett-Packard)]

Mounting Considerations
For linear motion, angular misalignment, E
All dimensions for mounting the module and codestrip should be measured with respect to the two mounting posts, shown above.
Recommended Screw Size: M2.5 x 0.45 or 2-56
Recommended Codewheel and Codestrip Characteristics
0.175
4
4.44
CODEWHEEL/CODESTRIP
Parameter
Window/Bar Ratio
Center of Post to Inside
Center of Post to Outside
Center of Post to Inside Edge
Edge of Window
Edge of Window
of Codestrip
IMAGE SIDE OF
0.13
0.005
A
, must be
Rm
Symbol
Ww/Wb
W1
W2
L
2 degrees to achieve Encoding Characteristics.
Min.
0.7
1.04
(0.041)
0.76
(0.030)
E
A
Max.
1.4
3.60
(0.142)
Units
mm
(inch)
mm
(inch)
mm
(inch)
Notes