Endress+Hauser Nivotester FTC325 PFM Operating Instructions Manual

Capacitance level switch with intrinsically safe signal circuit for connection to capacitance sensors

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BA02489F/00/EN/01.25-00

71707989

2025-06-13

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Operating Instructions

Nivotester FTC325 PFM

Capacitance

Level switch with intrinsically safe signal circuit for

connection to capacitance sensors

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Summary of Contents for Endress+Hauser Nivotester FTC325 PFM

Page 1 Products Solutions Services BA02489F/00/EN/01.25-00 71707989 2025-06-13 Operating Instructions Nivotester FTC325 PFM Capacitance Level switch with intrinsically safe signal circuit for connection to capacitance sensors...
Page 2 The manufacturer reserves the right to modify technical data without prior notice. The Endress+Hauser sales organization will supply you with current information and updates to these instructions. Endress+Hauser...
Page 3 Nivotester FTC325 PFM Table of contents Table of contents 10.2 Maintenance tasks ....28 About this document ....4 Purpose of this document .
Page 4 About this document Nivotester FTC325 PFM About this document Purpose of this document These Operating Instructions contain all the information that is required in the various phases of the life cycle of the device: from product identification, incoming acceptance and storage, to mounting, connection, operation and commissioning through to troubleshooting, maintenance and disposal.
Page 5 For an overview of the scope of the associated Technical Documentation, refer to the following: • Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the nameplate • Endress+Hauser Operations app: Enter serial number from nameplate or scan matrix code on nameplate. Endress+Hauser...
Page 6 ‣ Personnel must follow instructions and comply with general policies. Intended use • Use device only as a transmitter supply unit for level switches from Endress+Hauser with 2-wire PFM signal • Incorrect use of the device may pose a hazard •...
Page 7 Nivotester FTC325 PFM Product description Hazardous area NOTICE To eliminate the risk of danger to persons or the facility when the device is used in the approval-related area (e.g. explosion protection, pressure equipment safety): ‣ Check the nameplate to verify if the device ordered can be put to its intended use in the hazardous area.
Page 8 Incoming acceptance and product identification Nivotester FTC325 PFM Product design A0058211  1 Product design Housing Bottom terminal blocks Front panel can be opened out LEDs Operating elements Top terminal block Incoming acceptance and product identification Incoming acceptance On receipt of the delivery: 1.
Page 9  All the information about the measuring device is displayed. ‣ Endress+Hauser Operations app; manually enter the serial number indicated on the nameplate or scan the 2D matrix code on the nameplate.  All the information about the measuring device is displayed.
Page 10 Installation Nivotester FTC325 PFM Mount the device so that it is protected against weather and impact: • If you are operating the device outdoors and in warmer climates, avoid direct sunlight • A protective housing (IP66) is available for outdoor installation, for up to 2 devices Take ambient temperature into account: ≥10 (0.4)
Page 11 Nivotester FTC325 PFM Installation 5.2.2 Vertical orientation ≥ 50 (2) A0055064  4 Minimum distance for vertical orientation Connection of another device type DIN rail in accordance with EN 60715 TH35-7.5/15 5.2.3 Mounting the device on the DIN rail A0058139 ...
Page 12 Installation Nivotester FTC325 PFM 5.2.4 Removing the device from the DIN rail L– FT 325 A0053632  6 Removing from DIN rail Removing the device from the DIN rail For quick replacement of devices without cable replacement, remove the terminal blocks Post-installation check ...
Page 13 Nivotester FTC325 PFM Electrical connection Electrical connection Observe the specifications on the nameplate of the device. Connecting requirements WARNING If the device is not connected properly, personal injury and explosion may occur due to limited electrical safety. ‣ Comply with applicable national standards.
Page 14 Electrical connection Nivotester FTC325 PFM Blue terminal blocks at top for hazardous area • Two-wire connection cable between the Nivotester and sensor, e.g. commercially available installation cable or wires in a multi-core cable for measurement purposes • Use a shielded cable in the event of strong electromagnetic interference, e.g. from machines or radio equipment Only connect the shield to the grounding terminal in the sensor.
Page 15 Nivotester FTC325 PFM Electrical connection 6.2.4 Connecting the outputs 22 23 24 15 16 22 23 24 15 16 A0055297  9 Connecting the outputs Level, limit signal Fault, NC alarm (normally-closed contact) Fault, NO alarm (normally-open contact) Post-connection check ...
Page 16 Operation options Nivotester FTC325 PFM Operation options Overview of operation options 7.1.1 Opening the front panel A0053713  10 Opening the front panel 7.1.2 Operating elements A0053714 Calibration button (red) Test and correction key (green) Control dial for switch point shift for buildup compensation (16-stage)
Page 17 Nivotester FTC325 PFM Operation options 7.1.4 Test and correction key (green) • Controls the functionality of the output and fault-signaling relay • Confirms a change in the operating mode, e.g., if the switching delay changes after initial calibration. This corrects the operating mode without the need to perform a recalibration •...
Page 18 Operation options Nivotester FTC325 PFM 7.1.7 DIP switch max. 45 s 12 s 24 s ∆t MIN/MAX A0053716  12 DIP switch Switching delay 3s if DIP switch is set to ON Switching delay 6s if DIP switch is set to ON...
Page 19 Nivotester FTC325 PFM Commissioning Commissioning Post-installation and function check Before commissioning the measuring point, check whether the post-installation and post- connection checks have been performed. Post-mounting check Post-connection check Select operating mode Depending on the wiring of the outputs and setting of DIP switch 7, one of the following operating modes can be selected: •...
Page 20 Commissioning Nivotester FTC325 PFM 22 23 24 15 16 15 16 22 23 24 15 16 15 16 22 23 24 15 16 15 16 22 23 24 15 16 15 16 22 23 24 15 16 15 16 22 23 24...
Page 21 Nivotester FTC325 PFM Commissioning GN RD YE YE GN RD YE YE GN RD YE YE A0053780  16 Calibration for MAX application 1. Set the calibration mode switch to position 1 (bottom). 2. Set DIP switch 7 to the ON position.
Page 22 Commissioning Nivotester FTC325 PFM GN RD YE YE GN RD YE YE GN RD YE YE A0053782  18 Calibration for MIN application 1. Set the calibration mode switch to position 2 (middle or top). 2. Set DIP switch 7 to the OFF position.
Page 23 Nivotester FTC325 PFM Commissioning Setting the switching delay A switching delay prevents the device from switching immediately if the sensor is in contact with the medium only briefly. This may occur in the following situations: • Dispensers: Brief contact with syringes •...
Page 24 Commissioning Nivotester FTC325 PFM 0 = 0.8 pF … 9 = 48.0 pF A0053792  21 16-stage sensitivity setting Control dial position and switch point shift for initial capacitance (CA) = 30 pF • Maximum sensitivity: 0.8 pF • Minimum sensitivity: 48 pF Examples of εr Conductivity...
Page 25 Nivotester FTC325 PFM Commissioning GN RD YE YE = 9 s GN RD YE YE A0058316  22 Releasing a change via the test and correction key (green) 1. Set the calibration mode switch to position 1 (bottom). 2. Set the new delay time via DIP switch to ON.
Page 26 Commissioning Nivotester FTC325 PFM GN RD YE YE GN RD YE YE 15 16 TEST 22 23 24 A0053793  23 Simulation of a fault via the test and correction key (green) 1. Press the test and correction key (green) for 3 seconds. Alternatively, a stylus can be used for operation.
Page 27 Nivotester FTC325 PFM Diagnostics and troubleshooting Diagnostics and troubleshooting General troubleshooting If the sensor' s electronic insert has been replaced, a recalibration must be carried out. The device does not switch • Possible causes: no supply voltage present (green LED is not lit) Remedial action: check power supply •...
Page 28 Repair Nivotester FTC325 PFM 10.2 Maintenance tasks 10.2.1 Cleaning Cleaning of surfaces not in contact with the medium • Recommendation: Use a lint-free cloth that is either dry or slightly dampened using water. • Do not use any sharp objects or aggressive cleaning agents that corrode the surfaces (displays, housing, for example) and seals.
Page 29 • Liquicap M FTI51, FTI52 • Solicap M FTI55, FTI56 • Solicap S FTI77 • Sensors powered by Nivotester FTC325 PFM • Connection cable: two-wire Shielding not required, except in the event of strong electromagnetic interference (see also "Electromagnetic compatibility" (EMC)) •...
Page 30 Technical data Nivotester FTC325 PFM • Relay contact switching capacity: AC voltage (AC) U ~ maximum 250 V I ~ maximum 2 A P ~ maximum 500 VA for cos φ ≥0.7 Direct current (DC) U = maximum 40 V...
Page 31 Nivotester FTC325 PFM Technical data 13.4.3 Operating altitude As per IEC 61010-1 Ed.3: Up to 2 000 m (6 500 ft) above sea level 13.4.4 Relative humidity 5 to 85 % 13.4.5 Pollution degree Pollution degree 2 as per IEC 61010-1 13.4.6...
Page 32 *71707989* 71707989 www.addresses.endress.com...

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