Description
Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via 2 relay outputs (N/O contact) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
Utilization restriction | |
EMC note | EMC: class A product, see manufacturer’s declaration in the download area |
Product type | Isolating switch transf. |
Application | Digital IN |
No. of channels | 1 |
Type | Ex i signal conditioners with SIL functional safety |
Configuration | DIP switches |
No. of channels | 1 |
Electrical isolation | 3-way isolation |
Electrical isolation between input and output | yes |
Electrical isolation Input/output | |
Electrical isolation | 375 V (Peak value in accordance with IEC/EN 60079-11) |
Overvoltage category | III |
Degree of pollution | 2 |
Electrical isolation Input/supply, DIN rail connector | |
Electrical isolation | 375 V (Peak value in accordance with IEC/EN 60079-11) |
Rated insulation voltage | 300 Vrms |
Overvoltage category | II |
Degree of pollution | 2 |
Insulation | Safe isolation in accordance with IEC/EN 61010-1 |
Electrical isolation Output 1/output 2/input, power supply, DIN rail connector | |
Rated insulation voltage | 300 Vrms |
Overvoltage category | III |
Degree of pollution | 2 |
Insulation | Safe isolation in accordance with IEC/EN 61010-1 |
Electrical isolation Output 1/output 2/input/power supply, DIN rail connector | |
Test voltage | 2.5 kV AC (50 Hz, 60 s) |
Overvoltage category | III |
Degree of pollution | 2 |
Supply | |
Nominal supply voltage | 24 V DC -20 % … +25 % |
Supply voltage range | 19.2 V DC … 30 V DC |
Max. current consumption | 30 mA (24 V DC) |
Power dissipation | < 950 mW |
Power consumption | < 950 mW |
Signal: NAMUR | |
Description of the input | Intrinsically safe |
Number of inputs | 1 |
Available input sources | NAMUR proximity sensors (IEC/EN 60947-5-6) |
Floating switch contacts | |
Switch contacts with resistance circuit | |
Switching threshold “0” signal current | < 1.2 mA (blocking) |
Switching threshold “1” signal, current | > 2.1 mA (conductive) |
Short-circuit current | 8 mA |
Switching hysteresis | < 0.2 mA |
Line fault detection | < 0.05 mA … 0.35 mA (Line break) |
< 100 Ω … 360 Ω (Short circuit) | |
Activated /deactivated via DIP switch | |
Non-load voltage | 8 V DC |
Switching: Relay | |
Contact type | 2 N/O contacts |
Contact material | AgSnO2, hard gold-plated |
Maximum switching voltage | 250 V AC (2 A) |
120 V DC (0.2 A) | |
30 V DC (2 A) | |
Maximum switching capacity | 500 VA |
Recommended minimum load | 5 V / 10 mA |
Switching frequency | ≤ 20 Hz (without load) |
Signal | |
Number of outputs | 2 |
Connection method | Screw connection |
Stripping length | 7 mm |
Screw thread | M3 |
Conductor cross section solid | 0.2 mm² … 2.5 mm² |
Conductor cross section flexible | 0.2 mm² … 2.5 mm² |
Conductor cross section AWG | 24 … 14 |
Tightening torque | 0.5 Nm … 0.6 Nm |
Safety data | |
Max. internal inductance Li | negligible |
Max. internal capacitance Ci | 11 nF |
Max. output voltage Uo | 9.6 V |
Max. output current Io | 10 mA |
Max. output power Po | 25 mW |
Safety-related maximum voltage Um | 253 V AC |
125 V DC | |
IIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 300 mH / 3.6 µF |
IIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 500 nF, 50 mH / 570 nF, 5 mH / 590 nF, 1 mH / 590 nF, 10 µH / 590 nF |
IIB/IIIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 26 µF |
I/IIB/IIA/IIIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 1 µF, 5 mH / 1 µF, 1 mH / 1 µF, 10 µH / 1 µF |
IIA/I (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 210 µF |
Status display | Green LED (supply voltage) |
LED yellow (switching state) | |
Red LED (line errors) |
Dimensional drawing | |
Width | 12.5 mm |
Height | 112.5 mm |
Depth | 113.7 mm |
Depth NS 35/7,5 | 114.5 mm (Snapped onto DIN rail NS 35/7,5 in accordance with EN 60715) |
Flammability rating according to UL 94 | V0 (Housing) |
Housing material | PA 6.6-FR |
Ambient conditions | |
Degree of protection | IP20 (not assessed by UL) |
Ambient temperature (operation) | -40 °C … 60 °C (Any mounting position) |
Ambient temperature (storage/transport) | -40 °C … 85 °C |
Permissible humidity (operation) | 10 % … 95 % (non-condensing) |
Permissible humidity (storage/transport) | 5 % … 95 % (non-condensing) |
Altitude range (≤ 2000 m) | |
Altitude | ≤ 2000 m (For use at altitudes ≥2000 m above sea level, see data sheet.) |
Ambient temperature (operation) | -40 °C … 60 °C |
Rated insulation voltage | 375 VPP (Power supply, input / output) |
Altitude range (≤ 3000 m) | |
Height range | > 2000 m … 3000 m |
Ambient temperature (operation) | -40 °C … 54 °C |
Rated insulation voltage | 190 V AC (Power supply, input / output) |
110 V DC (Power supply, input / output) | |
Altitude range (≤ 4000 m) | |
Height range | > 3000 m … 4000 m |
Ambient temperature (operation) | -40 °C … 48 °C |
Rated insulation voltage | 60 V AC/DC (Power supply, input / output) |
Altitude range (≤ 5000 m) | |
Height range | > 4000 m … 5000 m |
Ambient temperature (operation) | -40 °C … 42 °C |
Rated insulation voltage | 60 V AC/DC (Power supply, input / output) |