SWITCH; REED; PNEUMATIC; NCM CYLINDER; IND. LIGHT; 3M CABLE, Pack of 2 by SMC-CORPORATION at Days of Revelation. MPN: NA. Hurry! Limited time offer. Offer valid only while supplies last. One type of proximity switch is an enclosed reed switch that is activated by a permanent mounted to the piston. As the piston approaches, the field
Product Description & Reviews
One type of proximity switch is an enclosed reed switch that is activated by a permanent mounted to the piston. As the piston approaches, the field closes the switch, completing an electric circuit and producing an electric signal. Others prefer to use Hall-effect (Solid-State) sensors in combination with a piston-mounted. The main difference between these two devices is that a reed switch is a mechanical device, while a Hall-effect (Solid-State) switch is electronic, with no moving parts to wear out. Reed switches have the advantage of operating on AC or DC current; Hall-effect (Solid-State) switches are limited to DC only. Also, reed switches are about half the price of their electronic counterpart, although the price differential is decreasing. On the other hand, Hall-effect (Solid-State) devices react much faster than reed switches, on the order of 100,000 versus 500 Hz. It is a waste of money to install microprocessor-based logic, and then be hampered by a slow switch. Overall, the trend seems to be towards these solid-state devices. Both switches have a repeatability of 0.005" or less. But often rod velocity, not switch accuracy, determines the overall repeatability of rod position. Because air is a compressible fluid, precise positioning of the cylinder rod -- especially in midstroke -- is difficult, regardless of the switch used. In many applications, even if the switch is very fast and accurate, getting the valves to react fast enough may be the real problem. In such cases, mounting fast-acting valves as close to the cylinder as possible is important. This eliminates excess compressible air in the lines between cylinder and flow control, giving more precise control. Note: Switch mounting hardware sold separately.Technology : - Reed Termination : - Cable Type : - Switch Voltage Rating : - 24 VDC, 100 VAC, 200 VAC Wire Entry : - Horizontal
Features & Highlights
- Body Style : - Rectangular
- Connector Type : - Grommet
- For Use With : - NCM, CG1, NCG, CJ2, CM2
- Mounting Type : - Band
- Series : - D-C Series
Hall Effect Sensors
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One type of proximity switch is an enclosed reed switch that is activated by a permanent mounted to the piston. As the piston approaches, the field closes the switch, completing an electric circuit and producing an electric signal. Others prefer to u...
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