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The Conductivity Switch Amplifier is a 1-channel signal conditioner designed for reliable level sensing applications. It operates on a 230 V AC supply and offers an adjustable resistance range from 1 kΩ to 30 kΩ, making it versatile for various conductivity measurements.
The Conductivity Switch Amplifier is an essential component in the realm of intrinsic safety barriers, specifically designed to provide robust signal conditioning for level sensing applications. This device is engineered to enhance the performance of level sensors by converting the input signal from resistive elements into a standardized output, suitable for further processing or control tasks.
Commonly employed in industries such as water treatment, chemical processing, and food production, the Conductivity Switch Amplifier ensures safe and accurate monitoring of liquid levels. Its relay contact output supports minimum and maximum control functions, enabling seamless integration into automated systems. The adjustable resistance range allows for flexibility in various applications, accommodating different sensor types and configurations.
| Connection side | field side |
| Power consumption | approx. 0.8 W |
| Labeling | space for labeling at the front |
| Connection | screw terminals , max. 2.5 mm2 |
| Control elements | switch S1 Position I open circuit current: In the open circuit current principle, the relay becomes active when the limit is reached. Position II closed circuit current: In closed circuit current principle, the relay is activated when power is applied. The relay is deactivated when the limit is reached. |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Connection side | control side |
| Connection | terminals 7, 8, 9 |
| Connection | terminals 1 (mass), 2 (min), 3 (max) |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Open circuit voltage/short-circuit current | approx. 10 V AC (approx. 1 Hz) / approx. 5 mA |
| Electromagnetic compatibility | NE 21:2006 |
| Output | 1 changeover contact |
| Contact loading | 253 V AC/2 A/cos andphi; > 0.7; 40 V DC/2 A resistive load |
| Dimensions | 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 inch) , housing type B1 |
| Signal type | Digital Input |
| Insulation coordination | EN 50178:1997 |
| Mass | approx. 110 g |
| Galvanic isolation | EN 50178:1997 |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Control elements | DIP-switch potentiometer |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Configuration | via DIP switches via potentiometer |
| Rated voltage | 207 … 253 V AC, 45 … 65 Hz |
| Degree of protection | IP20 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | terminals 11 (L1), 12 (N) |
| Response sensitivity | 1 … 30 kandOmega; , adjustable via potentiometer (20 turns) |
| Energized/De-energized delay | approx. 1 s / approx. 1 s |
| Control input | min./max. control system: terminals 1, 2, 3 on/off control system: terminals 1, 3 |
| Degree of protection | IEC 60529:2001 |
| Display elements | LEDs |
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