Level limit switch Series CN 4000 Technical Information / Instruction manual 2 Page Safety notes/ Technical support 2 ----------------------------------------------------------------------------------------------------- Introduction 3 ----------------------------------------------------------------------------------------------------Technical data 4 Options/ accessories 10 ----------------------------------------------------------------------------------------------------Mounting 11 ----------------------------------------------------------------------------------------------------Electrical installation 13 ----------------------------------------------------------------------------------------------------Settings 17 ----------------------------------------------------------------------------------------------------Signal output logic 18 ----------------------------------------------------------------------------------------------------- Maintenance 19 ----------------------------------------------------------------------------------------------------Notes for use in Hazardous Locations 10 Subject to technical change. We assume no liability for typing errors. Different variations than specified are possible. Please contact our technical consultants.

Level limit switch Series CN 4000 Technical Information / Instruction manual Safety notes / Technical support Installation, maintenance and commissioning may be accomplished only by qualified technical personnel. The product must be used only in the manner outlined in this instruction manual. 3 Special attention must be paid to warnings and notes as follows: WARNING Relates to a caution symbol on the product: A failure to observe the necessary precautions can result in death, serious injury and/ or considerable material damage. Relates to a caution symbol on the product: Risk of electric shock...

Level limit switch Series CN 4000 Technical Information / Instruction manual Capacitive level limit switch for level monitoring in all types of containers and silos. The Capanivo detects the capacitance around its probe. Due to the active shield technology it has an increased insensitivity to material buildup on the probe. It can be used with powdery and granulated bulk materials with a dielectric constant of min. 1.6 The measurement is nearly independent from the influence of the silo wall. Therefore factory provided precalibration allows measurement of most applications without calibration...

Level limit switch Series CN 4000 Technical Information / Instruction manual Technical data Housing versions

Level limit switch Series CN 4000 Technical Information / Instruction manual Technical data Electrical data Connection terminals Cable entry M20 x 1.5 screwed cable gland NPT ½“ or NPT ¾” conduit connection Clamping range (diameter) of the factory provided cable glands: M20 x 1.5: 6 .. 12 mm (0.24 .. 0.47"") Signal delay Sensor free -> covered Sensor covered -> free Safety operation (FSL,FSH) Switchable for minimum or maximum safety Overvoltage category Pollution degree Relay SPDT Relay DPDT Universal voltage Power supply Max. ripple of power supply Installed load Signal output Floating relay...

Level limit switch Series CN 4000 Technical Information / Instruction manual Technical data Mechanical data Housing Seal between housing and lid: NBR Seal between housing and process connection: NBR Nameplate: polyester film Plastics PA6 GF, RAL 5010 gentian blue or aluminium, powder coated, RAL 5010 gentian blue IP66 * (EN 60529) * For version with plug the type of protection can be lower (see option plug/ page 10). Process connection and extension CN 4020 version 120°C: Material process connection/ probe: Thread: Adapter (optional): Plastics PPS (glass fibre reinforced) (1), FDA listed (2)...

Level limit switch Series CN 4000 Technical Information / Instruction manual Technical data Operating conditions Ambient and process temperature Version with Ex-approval 6 Version with Ex-approval Version with Ex-approval

Level limit switch Series CN 4000 Technical Information / Instruction manual Technical data Max. permitted mechanical torque Recommended protection in case of high material load: mounting of a protective angle above the probe Features of bulk material Min. DK: 1.6 (dielectric constant, see external DK tables) Max. grain size: ca. 30 mm Switching point Material with high DK value -> the signal output switches when the probe is covered a few mm Material with low DK value -> the signal output switches, when the probe is covered a few cm Relative Humidity Expected product lifetime Following parameters...

Level limit switch Series CN 4000 Technical Information / Instruction manual General Purpose (Ordinary Locations) Hazardous Locations * ATEX UKEX IEC-Ex TR-CU CCC II 1/2D Ex ta/tb IIIC T! Da/Db II 1/2D Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T120°C Da/Db X Ex ta/tb IIIC T! Da/Db ATEX UKEX IEC-Ex TR-CU CCC II 1/2D Ex ta/tb IIIC T! Da/Db II 1/2D Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T120°C…T180°C Da/Db X Ex ta/tb IIIC T! Da/Db ATEX UKEX IEC-Ex TR-CU CCC II 1/2D Ex ta/tb IIIC T! Da/Db II 1/2D Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T! Da/Db Ex ta/tb IIIC T120°C...

Level limit switch Series CN 4000 Technical Information / Instruction manual Options / Accessories When the measuring device is used outdoor, the use of the weather-protection-cover is recommended. It protects the device from all atmospheric influences such as: • rain water • condensation of water • excessively high temperatures due to insulation • excessively low temperatures in winter Material: PE, weathering and temperature stable For use in Hazardous Locations: only permitted for Zone 22. For mounting on a wall without a socket. Material: Aluminium or 1.4305 (303) Sliding sleeve Signal lamp...

Level limit switch Series CN 4000 Technical Information / Instruction manual General Safety Instructions Process pressure Improper installation may result in loss of process pressure. Chemical resistance against the medium Materials of construction are chosen based on their chemical compatibility (or inertness) for general purposes. For exposure to specific environments, check with chemical compatibility charts before installing. Fastening of the threaded process connection Mounting torque for the thread may not exceed 40 Nm (metal thread)/ 20 Nm (plastic thread). Use a open-end wrench. Do not...