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參數(shù)資料
| 型號(hào)： | HEDS-5540#C02 |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | SINGLE, 3 CHANNELS, ROTARY OPTICAL POSITION ENCODER |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 1635K |
| 代理商： | HEDS-5540#C02 |
7
Electrical Interface
To insure reliable encodingperformance, the HEDS-
5540/5640 and HEDM-5540 three channel encoders
require 2.7 kΩ (± 10%) pull-up resistors on output pins 2, ,
and 5 (Channels I, A, and B) as shown in Figure 1.These pull-
up resistors should be located as close to the encoder as
possible (within 4 feet). Each of the three encoder outputs
Figure 1. Pull-up Resistors on HEDS-5X40 and HEDM-5540 Encoder Outputs.
can drive a single TTL load in this configuration. The HEDS-
5500, 5600, and HEDM-5500, 5600 two channel encoders
do not normally require pull-up resistors. However, .2
kΩ pull-up resistors on output pins and 5 (Channels A
and B) are recommended to improve rise times, especially
when operating above 100 kHz frequencies.
Mechanical Characteristics
Parameter
Symbol
Dimension
Tolerance[1]
Units
Codewheel Fits These Standard
Shaft Diameters
2 4
5 6 8
+0.000
-0.015
mm
5/2 1/8
/16 1/4
+0.0000
-0.0007
in
Moment of Inertia
J
0.6 (8.0 x 10-6)
g-cm2 (oz-in-s2)
Required Shaft Length[2]
14.0 (0.55)
± 0.5
(± 0.02)
mm (in.)
Bolt Circle[]
2 screw mounting
19.05
(0.750)
± 0.1
(± 0.005)
mm (in.)
screw mounting
20.90
(0.82)
± 0.1
(± 0.005)
mm (in.)
external mounting ears
46.0
(1.811)
± 0.1
(± 0.005)
mm (in.)
Mounting Screw Size[4]
2 screw mounting
M 2.5 or (2-56)
mm (in.)
screw mounting
M 1.6 or (0-80)
mm (in.)
external mounting ears
M 2.5 or (2-56)
mm (in.)
Encoder Base Plate Thickness
0. (0.10)
mm (in.)
Hub Set Screw
(2-56)
(in.)
Notes:
1. These are tolerances required of the user.
2. The HEDS-55X5 and 56X5, HEDM-5505, 5605 provide an 8.9 mm (0.5 inch) diameter hole through the housing for longer motor shafts. See
Ordering Information.
. The HEDS-5540 and 5640 must be aligned using the aligning pins as specified in Figure , or using the alignment tool as shown in “Encoder
Mounting and Assembly”. See also “Mounting Considerations.”
4. The recommended mounting screw torque for 2 screw and external ear mounting is 1.0 kg-cm (0.88 in-lbs). The recommended mounting screw
torque for screw mounting is 0.50 kg-cm (0.4 in-lbs).
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