HEDS-9200360 查看數據表（PDF） - HP => Agilent Technologies

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HEDS-9200360

Two Channel High Resolution Optical Incremental Encoder Modules

HP => Agilent Technologies 

8

Recommended Codewheel Characteristics

Parameter

Window/Bar Ratio

Window Length

Absolute Maximum

Codewheel Radius

Symbol

φw/φb

Lw

Rc

Minimum

0.7

1.8 (0.07)

Maximum

1.4

Rop

+

1.9

(0.075)

Units

Notes

mm (inch)

mm

(inch)

Includes eccentricity

errors

Recommended Codestrip Characteristics and Alignment

Codestrip design must take into consideration mounting as referenced to either side A or side B (see Figure 4).

Mounting as Referenced to Side A

Mounting as Referenced to Side B

Figure 4. Codestrip Design

STATIC CHARGE WARNING: LARGE STATIC CHARGE ON CODESTRIP MAY HARM MODULE.

PREVENT ACCUMULATION OF CHARGE.

Parameter

Symbol

Mounting Ref.

Side A

Mounting Ref.

Side B

Units

Window/Bar Ratio

Window Distance

Window Edge to

Module Opt Center Line

Ww/Wb

L

S

0.7 min., 1.4 max.

La ≤ 0.51 (0.020)

0.90 (0.035) min.

0.7 min., 1.4 max.

Lb ≥ 3.23 (0.127)

0.90 (0.035) min.

mm (inch)

mm (inch)

Parallelism

Module to Codestrip

α

1.3 max.

1.3 max.

deg.

Note: All parameters and equations must be satisfied over the full length of codestrip travel including maximum codestrip runout.

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