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IFM NN506A
NN506A
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Description
For monitoring valve positions
For reliable position feedback on valve actuators
For connection to intrinsically safe circuits
Non-contact and self-cleaning system
Specification
Product characteristics
| Electrical design | NAMUR |
|---|---|
| Output function | 2 x normally closed |
| Sensing range[mm] [mm] | 4 |
| Housing | rectangular |
| Dimensions[mm] [mm] | 33 x 60 x 119 |
Application
| Application | position sensor for valve actuators; actuator control |
|---|
Electrical data
| Connection to switching amplifiers | yes |
|---|---|
| Switching amplifiers | connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW |
| Operating voltage[V] [V] | 8.2 DC; (1kΩ) |
| Supply voltage DC[V] [V] | 7.5...15; (when used outside the hazardous area) |
| Current consumption[mA] [mA] | < 1; (disabled; conductive: > 2,1) |
| Protection class | III |
| Actuator wiring | connection to certified intrinsically safe circuits of solenoid valves with the max. values: U = 28 V / I = 250 mA / P = 750 mW (bis 40 °C) / P = 650 mW (bis 70 °C); (When used in gas atmospheres (group II) the following maximum values are permitted: U = 28 V / P = 1,1 W; These values must not be exceeded.) |
Outputs
| Electrical design | NAMUR |
|---|---|
| Output function | 2 x normally closed |
| Switching frequency DC[Hz] [Hz] | 500 |
| Overload protection | yes |
Detection zone
| Sensing range[mm] [mm] | 4 |
|---|---|
| Real sensing range Sr[mm] [mm] | 4 ± 10 % |
| Operating distance[mm] [mm] | 0...3.25 |
Accuracy / deviations
| Correction factor | steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3 |
|---|---|
| Hysteresis[% of Sr] [% of Sr] | 1...15 |
| Switch point drift[% of Sr] [% of Sr] | -10...10 |
Operating conditions
| Ambient temperature[°C] [°C] | -25...70 |
|---|---|
| Protection | IP 65; IP 67 |
Tests / approvals
| Approval | BVS 14 ATEX E 005 X; IECEx BVS 14.0005X |
|---|---|
| ATEX marking | II 1G Ex ia IIB T4 Ga Ta: -25...70 °C |
| EMC | EN 60947-5-6 |
| Vibration resistance | 10...55 Hz (1 mm) |
| Shock resistance | 30 g (11 ms) |
Safety classification
| Max. internal capacitance[nF] [nF] | 60; (per intrinsically safe circuit) |
|---|---|
| Max. internal inductance[µH] [µH] | 130; (per intrinsically safe circuit) |
Mechanical data
| Weight[g] [g] | 184.85 |
|---|---|
| Housing | rectangular |
| Mounting | non-flush mountable |
| Dimensions[mm] [mm] | 33 x 60 x 119 |
| Materials | housing: PA |
Displays / operating elements
| Display | switching status 2 x LED, yellow |
|---|---|
| switching status | 2 x LED, yellow |
Accessories
| Items supplied | socket head screws: 2 x (M5 x 16 mm) socket head screws: 2 x (M3 x 25 mm) |
|---|
Remarks
| Remarks | The unit is not approved for safety-related tasks in the field of operator protection. |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| terminal strip in the terminal chamber | ...2.5 mm²; Cable gland: M20 X 1.5 |
|---|
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