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| Shape / Structure | Touch switches |
|---|---|
| service life | General type |
| Operating mechanism | Electrostatic capacity type |
| Actuator | Plunger |
| Electrical ratings | 12 to 24 VDC (10 to 30 VDC) ripple(p-p) 10% Max. |
| Current consumption / Power consumption | 17 mA Max. |
| Output signal | NPN (3-wire cable model) |
| Operating sensitivity | Operating capacity: 30 pF Max. at the maximum sensitivity, 10 pF Max. at the minimum sensitivity. (The electrostatic capacity between the antenna and the ground) Operating resistance: 3 k Ohm at the minimum sensitivity (The resistance between the antenna and the ground) The product is operated with an electrostatic capacity or a resistance. |
| Leakage current | 1mA Max.(at antenna) |
| Residual voltage | 2 V Max. (at a load of 200 mA) |
| Output current capacity | 200 mA Max. (resistive load) |
| Response time | 2 ms Max. |
| Load | General load |
| Indicator | LED (Light when operating) |
| Cable specifications | VCT oil-resistant cable, 3 cores (3 m) Diameter: 4 mm dia. |
| Ambient temperature | Operating: -25 CEL to 70 CEL (with no icing or condensation) |
| Ambient humidity | Operating: 35%RH to 95%RH (with no icing or condensation) |
| Temperature influence | Change of operating sensitivity at the minimum sensitivity in a temperature range from -25 to +70 DEG is 30 pF Max. of the operating capacity and 6 k Ohm Max. of the operating resistance. |
|---|---|
| Voltage influence | Change of operating sensitivity at the minimum sensitivity in a voltage range of from 10 to 30 VDC is 10 pF Max. of the operating capacity and 2 k Ohm Max. of the operating resistance. |
| Mutual interference | The distance between adjacent antennas is at least 30mm. |
| Permissible operating frequency (Mechanically) | 120 operations / 1 minute Max. |
| Insulation resistance | Between each terminal and non-live-metallic part: 50 M Ohm Min. (at 500 VDC Megger) |
| Dielectric strength | Between each terminal and non-live-metallic part: 1,000 VAC (50/60 Hz for 1 min) |
| Durability (Mechanically) | 10,000,000 operations Min. * When operate the actuator with the specified value of the Over Travel. (No load) |
| Shock resistance (Destruction) | 1,000 m/s2 |
| Degree of protection | IEC60529 (JEM): Equivalent to IP67 |
| Over-Travel (OT) | Standard value 3.5 mm Min. |
|---|---|
| Total Travel Force (TTF) | Standard value 9.81 N Max. |
Precautions for correct use:
Make sure that the portion of the antenna that comes into contact with sensing objects is free of oil, or rust, or any other insulator. Otherwise the switch will not operate.
The sensitivity of the switch can be adjusted by turning the adjuster on the rear side with a flat-blade screwdriver. The sensitivity increases by turning the adjuster clockwise and decreases by turning the adjuster counterclockwise. Be sure to turn the adjuster with a torque of 4.9 to 7.8 mN.m. If excessive torque is applied, the adjuster will break.
When mount the antenna to the switch body, tighten with a torque from 0.39 to 0.83 N.m. If the tightening torque is not sufficient, the inside contact piece may damage.
The over travel shall be 3.5 mm max. The operating force of the antenna shall be 9.81 N max.
Note:
Rubber material is oil-proof rubber(NBR).
As of March 1, 2008
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