北極星編碼器
編碼器（encoder）是將信號（如比特流）或數據進行編制、轉換為可用以通訊、傳輸和存儲的信號形式的設備。 編碼器把角位移或直線位移轉換成電信號，前者稱為碼盤，后者稱為碼尺．按照讀出方式編碼器可以分為接觸式和非接觸式兩種．接觸式采用電刷輸出，一電刷接觸導電區(qū)或絕緣區(qū)來表示代碼的狀態(tài)是"1"還是“0"；非接觸式的接受敏感元件是光敏元件或磁敏元件，采用光敏元件時以透光區(qū)和不透光區(qū)來表示代碼的狀態(tài)是"1"還是"0"，通過"1"和“0"的二進制編碼來將采集來的物理信號轉換為機器碼可讀取的電信號用以通訊、傳輸和儲存。
北極星編碼器分類
HSD35系列、RIM系列、MH系列、HS56系列等
部分北極星編碼器特性
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| Available Resolution: | 60 to 2048 PPR; 120 KHz data & index |
| Housing: | Cast Iron/Stainless Steel |
| Bore/Shaft Size: | 5/8" or 2 7/8"; up to 8.0" available |
| Input Power: | 5-15VDC or 15-26 VDC |
| Sensing Technology : | Magnetic Resonance (MR) |
| Enclosure Rating: | NEMA MG1 |
| Temperature: | -40°C to +80°C |
| Ideal For: | Mill duty applications and dirty environments using high horse power, large-shaft motors; ex-pulp / paper and crane & hoist |
|
| Available Resolution: | 60 to 2048 PPR; 120 KHz data & index |
| Housing: | Cast Iron/Stainless Steel |
| Bore/Shaft Size: | 0.625" dia., 1.87" long single. Or double ended standard |
| Input Power: | 5-15VDC or 15-26 VDC |
| Sensing Technology : | Magnetic Resonance (MR) |
| Enclosure Rating: | NEMA MG1 |
| Temperature: | -40°C to +70°C |
| Ideal For: | Mill duty applications and dirty environments using high horse power, large-shaft motors; ex-process industry |
|
| Available Resolution: | 60 to 1200 PPR; 120 KHz data & index |
| Housing: | Cast Iron/Stainless Steel; Thin pancake style construction |
| Bore/Shaft Size: | 5/8" or 2 7/8"; up to 3.75" available |
| Input Power: | 5-15 or 15-26 VDC |
| Sensing Technology: | Magnetic Resonance (MR) |
| Enclosure Rating: | NEMA MG1 |
| Temperature: | -40°C to +80°C |
| Ideal For: | Mill duty applications and dirty environments using high horse power, large-shaft motors; ex-paper and steel mills |
|
| Available Resolution: | 60 to 2048 PPR; 120 KHz data & index |
| Housing: | Cast Iron/Stainless Steel |
| Bore/Shaft Size: | 1 1/8" or 2 7/8"; up to 4.5" available |
| Input Power: | 5-15VDC or 15-26 VDC |
| Sensing Technology : | Magnetic Resonance (MR) |
| Enclosure Rating: | NEMA MG1 |
| Temperature: | -20°C to +70°C |
| Ideal For: | Mill duty applications; mounts easily to roller sleeve or ball bearing motors |
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