SMC磁性开关的动作原理
时间：2015-08-06 阅读：605
SMC磁性开关的作用
磁性开关是用来检测气缸活塞位置的，即检测活塞的运动行程。使用磁性开关可以反馈气缸活塞杆伸出的位置，利用此反馈信号可以控制其他的元件的动作；也可以控制气缸的行程，例如气缸全行程为100，可以将行程调整为80；装多个磁性开关还可以实现气缸在多点停止（但停止精度不高）。
SMC磁性开关的分类
SMC磁性开关可以分为有触点式和无触点式两种。SMC D-?系列磁性开关，?中无记号或为A、B、C、E、Z者为有触点式，?中为F、G、H、J、K、M、P、Y者为无触点式。有触点式无漏电流存在。无触点式磁性开关因为无可动件，寿命是半*的，但有漏电流存在。SMC磁性开关还可以分为二线制、三线制（又分为NPN、PNP两种）、四线制（较少使用）。另外磁性开关的导线长度标准是0.5米。但也可以选择3米或5米。
SMC磁性开关的动作原理
SMC磁性开关型号列表
| D-50L | D-A93V | D-F5PW | D-F9NWL | D-J79CL |
| D-51 | D-A93V-588 | D-F5PWL | D-F9NWV | D-J79CZ |
| D-57 | D-A93VL | D-F5PWZ | D-F9P | D-J79L |
| D-57L | D-A93Z | D-F5PZ | D-F9PL | D-J79MDPC |
| D-58 | D-A96 | D-F6BL | D-F9PSAPC | D-J79SBPC |
| D-73H | D-A96L | D-F79 | D-F9PSC | D-J79SDPC |
| D-79L | D-A96V | D-F79F | D-F9PSDPC | D-J79W |
| D-90 | D-A96VL | D-F79FL | D-F9PV | D-J79WL |
| D-90A | D-B30 | D-F79L | D-F9PVL | D-J79WSDPC |
| D-90AL | D-B30J | D-F79MDPC | D-F9PVZ | D-J79Z-61 |
| D-90L | D-B31 | D-F79SAPC | D-F9PW | D-K39 |
| D-93A | D-B31J | D-F79SDPC | D-F9PWL | D-K39A |
| D-93AL | D-B35 | D-F79W | D-F9PWSAPC | D-K59 |
| D-97 | D-B35J | D-F79WL | D-F9PWVSDPC | D-K59L |
| D-97L | D-B51L | D-F79Z | D-F9PWZ | D-K59W |
| D-97Z | D-B53 | D-F7BAL | D-G39A | D-K59WL |
| D-A33 | D-B53L | D-F7BASBPC-345 | D-G59 | D-K59WSDPC |
| D-A33A | D-B53Z | D-F7BASDPC | D-G59L | D-K59Z |
| D-A34 | D-B54 | D-F7BAVL | D-G59SDPC | D-K79 |
| D-A34A | D-B54L | D-F7BAVL-61 | D-G59W | D-K79C |
| D-A39 | D-B54Z | D-F7BAZ | D-G59WL | D-K79CL |
| D-A44 | D-B57L | D-F7BAZ-330 | D-G59WZ | D-K79L |
| D-A44C | D-B59W | D-F7BV | D-G5BAL | D-M5B |
| D-A51 | D-B59WL | D-F7BVL | D-G5DW | D-M5BL |
| D-A51L | D-B64 | D-F7BVL-236 | D-G5DWSC | D-M5N |
| D-A53 | D-B64L | D-F7BVL-277 | D-G5NBL | D-M5NTL |
| D-A53L | D-B71 | D-F7BWV | D-G5NTL | D-M5P |
| D-A53Z | D-B73 | D-F7BWVL | D-G5P | D-M9B |
| D-A54 | D-B73-110 | D-F7BWVZ | D-G5PL | D-M9BL |
| D-A54-588 | D-B73C | D-F7DWSC | D-G5PSDPC | D-M9BV |
| D-A54L | D-B73CL | D-F7K | D-G79 | D-M9BVL |
| D-A54L-588 | D-B73L | D-F7NJL | D-G79L | D-M9BZ |
| D-A54SAPC | D-B76 | D-F7NT | D-G79W | D-M9N |
| D-A54Z | D-B77 | D-F7NTL | D-H7A1 | D-M9NL |
| D-A54Z-WBI32 | D-B77L | D-F7NV | D-H7A1L | D-M9NLAPC |
| D-A56 | D-B80 | D-F7NVL | D-H7A1MDPC | D-M9NSAPC |
| D-A56L | D-C73 | D-F7NVMAPC | D-H7A1SDPC | D-M9NV |
| D-A59 | D-C73-588 | D-F7NWV | D-H7A1Z | D-M9NVL |
| D-A59W | D-C73C | D-F7P | D-H7A2 | D-M9NZ |
| D-A59WL | D-C73CL | D-F7P-215 | D-H7A2-215 | D-M9P |
| D-A64 | D-C73CN | D-F7PL | D-H7A2L | D-M9PL |
| D-A64L | D-C73CZ | D-F7PMDPC | D-H7A2MDPC | D-M9PMAPC |
| D-A67 | D-C73L | D-F7PSAPC | D-H7A2SAPC | D-M9PMDPC |
| D-A67L | D-C73L-588 | D-F7PSC | D-H7A2SBPC | D-M9PSAPC |
| D-A71HL | D-C73R | D-F7PSDPC | D-H7A2SDPC | D-M9PSDPC |
| D-A72 | D-C73SAPC | D-F7PV | D-H7A2Z | D-M9PV |
| D-A72H | D-C73Z | D-F7PVL | D-H7B | D-M9PVL |
| D-A72L | D-C73Z-WBI33 | D-F7PVSDPC | D-H7BAL | D-M9PZ |
| D-A73 | D-C76 | D-F7PW | D-H7BAMDPC | D-P4DWL |
| D-A73-44 | D-C76L | D-F7PWL | D-H7BL | D-P4DWSC |
| D-A73-588 | D-C76Z | D-F7PWSDPC | D-H7BLDPC | D-P4DWSE |
| D-A73C | D-C80 | D-F7PZ | D-H7BMAPC | D-P5DW |
| D-A73CL | D-C80C | D-F8B | D-H7BMDPC | D-P5DW-197G-NS |
| D-A73CN | D-C80L | D-F8BL | D-H7BSAPC | D-P5DW-197-NS |
| D-A73CZ | D-C80Z | D-F8N | D-H7BSDPC | D-P5DW-219 |
| D-A73EL | D-E73A | D-F8NL | D-H7BW | D-P5DWB-219 |
| D-A73H | D-E73AL | D-F8P | D-H7BWL | D-P5DWBL-219 |
| D-A73HL | D-E76AL | D-F8PL | D-H7BWSDPC | D-P5DWL |
| D-A73HSAPC | D-E80A | D-F8PZ | D-H7BZ | D-P5DWL-343 |
| D-A73L | D-F59 | D-F9B | D-H7C | D-P5DWL-396 |
| D-A73Z | D-F59F | D-F9BAL | D-H7CL | D-P5DWMDPC |
| D-A73Z-WBI31 | D-F59FL | D-F9BAL-44 | D-H7CZ | D-P5DWSC |
| D-A76H | D-F59L | D-F9BAZ | D-H7LF | D-P5DWSDPC |
| D-A76HL | D-F59MDPC | D-F9BL | D-H7NW | D-P5DWZ |
| D-A77L | D-F59SDPC | D-F9BMAPC | D-H7NWL | D-P6DWBL |
| D-A79 | D-F59W | D-F9BSAPC | D-H7PW | D-P70 |
| D-A79HL | D-F59WL | D-F9BV | D-H7PWL | D-P70L |
| D-A79W | D-F59WZ | D-F9BVL | D-J51 | D-P70Z |
| D-A79WL | D-F59Z | D-F9BVZ | D-J51L | D-P74 |
| D-A80 | D-F5BAL | D-F9BW | D-J51Z | D-P74-376 |
| D-A80C | D-F5BAL-44 | D-F9BWL | D-J59 | D-P74-93C |
| D-A80H | D-F5BASDPC | D-F9BWSC | D-J59L | D-P74GL |
| D-A80HL | D-F5BAZ | D-F9BWSC | D-J59MAPC | D-P74GSC |
| D-A80L | D-F5DWSC | D-F9BWSDPC | D-J59MDPC | D-P74L |
| D-A80Z | D-F5NTL | D-F9BWV | D-J59SBPC | D-P74Z |
| D-A90 | D-F5NTZ | D-F9BWVL | D-J59SDPC | D-P75 |
| D-A90L | D-F5P | D-F9BZ | D-J59W | D-P75L |
| D-A90V | D-F5P-215 | D-F9G | D-J59WL | D-P75Z |
| D-A90VL | D-F5P-588 | D-F9N | D-J59WSC | D-P79W-566 |
| D-A90Z | D-F5PL | D-F9NL | D-J59WSDPC | D-P79WL |
| D-A93 | D-F5PMAPC | D-F9NSAPC | D-J59Z | D-P79WZ |
| D-A93-588 | D-F5PMDPC | D-F9NV | D-J79 | D-R731 |
| D-A93L | D-F5PSAPC | D-F9NVL | D-J79-61 | D-R731C |
| D-A93SAPC | D-F5PSDPC | D-F9NW | D-J79C | D-R731CL |
| D-R732 | D-R801 | D-R732CL | D-R801L | D-R731L |
| D-R731Z | D-R802L | D-R732L | D-R802 |