HEDS-974 HP [Agilent(Hewlett-Packard)], HEDS-974 Datasheet
HEDS-974
Available stocks
Related parts for HEDS-974
HEDS-974 Summary of contents
Page 1
... Description The HEDS-974x series is a high performance, low cost, optical incremental encoder module. When operated in conjunction with code- strip, this module detects linear position. The module consists of a lensed LED source and a detector IC enclosed in a small C-shaped plastic package. Due to a highly ...
Page 2
Definitions Count (N) = the number of bar and window pairs or Counts Per Revolution (CPR) of the codewheel, or the number of Lines Per Inch (LPI) of the codestrip. 1 Shaft Rotation = 360 mechanical degrees = N cycles ...
Page 3
Recommended Operating Conditions Parameter Symbol Temperature T Supply Voltage V CC Load Capacitance C L Pullup Resistor R L Count Frequency Angular Misalignment E A Electrical Characteristics over Recommended Operating Range, Typical at T Parameter Symbol Supply Current I High ...
Page 4
Recommended Codewheel and Codestrip Characteristics Parameter Window/Bar Ratio Center of Post to Inside Edge of Window Center of Post to Outside Edge of Window Center of Post to Inside Edge of Codestrip Mounting Considerations 4.44 0.13 0.175 0.005 IMAGE SIDE ...
Page 5
... Ordering Information HEDS-974 Option Resolution Options Lead Bend Q – 180 LPI, linear 0 – Straight Leads 2 – 300 LPI, linear 1 – Bend Leads 1 – 360 LPI, linear 50 51 HEDS-9740 HEDS-9741 10.8 ± 0.7 R 1.4 3.0 R 2.6 OPTION CODE 1.4 5.0 4.2 3.9 0.8 1.70 ± 0.22 3.90 ± 0.15 1.8 Mounting Options 50 – Standard ...
Page 6
For product information and a complete list of distributors, please go to our web site. For technical assistance call: Americas/Canada: +1 (800) 235-0312 or (408) 654-8675 Europe: +49 (0) 6441 92460 China: 10800 650 0017 Hong Kong: (+65) 6271 ...