Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������5 1�1 Symbols used ������������������������������������������������������������������������������������������������5 2 Safety instructions �����������������������������������������������������������������������������������������������5 3 Items supplied������������������������������������������������������������������������������������������������������6 4 Getting started �����������������������������������������������������������������������������������������������������6 5 Functions and features ����������������������������������������������������������������������������������������7 5�1 Applications ���������������������������������������������������������������������������������������������������7 5�2 Restriction of the application area �����������������������������������������������������������������7 6 Function ���������������������������������������������������������������������������������������������������������������8 6�1 Measuring principle ���������������������������������������������������������������������������������������8 6�2 Outputs ����������������������������������������������������������������������������������������������������������9 6�3 Other features of the unit �������������������������������������������������������������������������������9 6�3�1 Display functions ����������������������������������������������������������������������������������9...
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7�4 Installation of the unit �����������������������������������������������������������������������������������21 7�4�1 Installation to 3/4 NPT process connection directly in the tank lid ������21 7�4�2 Installation in the tank lid using a 3/4 NPT flange plate ���������������������22 7�4�3 Installation in open metal tanks ����������������������������������������������������������23 7�4�4 Installation in plastic tanks ������������������������������������������������������������������24 7�5 Alignment of the sensor housing �����������������������������������������������������������������25 8 Electrical connection ������������������������������������������������������������������������������������������26 9 Operating and display elements ������������������������������������������������������������������������27...
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11�6 Change basic settings ��������������������������������������������������������������������������������38 11�6�1 Re-enter probe length �����������������������������������������������������������������������38 11�6�2 Set to another medium ���������������������������������������������������������������������38 11�7 Simulation ��������������������������������������������������������������������������������������������������39 11�7�1 Set simulation value ��������������������������������������������������������������������������39 11�7�2 Set simulation time ���������������������������������������������������������������������������39 11�7�3 Switch simulation on / off ������������������������������������������������������������������39 12 Operation ���������������������������������������������������������������������������������������������������������40 12�1 Single probe ����������������������������������������������������������������������������������������������40 12�2 Function check ������������������������������������������������������������������������������������������40 12�3 Operation indication �����������������������������������������������������������������������������������41 12�4 Read the set parameters ���������������������������������������������������������������������������41...
1 Preliminary note 1.1 Symbols used ► Instructions > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information Supplementary note� 2 Safety instructions • The device described is a subcomponent for integration into a system� - The system architect is responsible for the safety of the system�...
(→ Accessories): • 1 probe (→ 12.1) • mounting material (if necessary, a launching plate (→ 12.1)) ► In the event of incomplete or damaged items supplied please contact ifm electronic� ► Only use accessories from ifm electronic� Accessories: www.ifm.com The optimum function is not ensured when using components from other manufacturers�...
5 Functions and features The unit continuously detects the level in tanks� 5.1 Applications • Water, water-based media • Compatible with 3/4 NPT process connections Application examples: - Detection of cleaning liquid in a parts cleaning system - Detection of cooling water in an industrial cooling system - Detection of hot glue in corrugated cardboard manufacture The unit complies with the standard EN 61000-6-4 and is a class A product�...
• The unit is not suitable for applications where the probe is subjected to permanent and high mechanical stress (e�g� heavy movement of viscous media or fast flowing media)� • Use preferably in metal tanks� When used in plastic tanks, deterioration caused by electromagnetic interference may occur (noise immunity to EN61000-6-2)�...
6.2 Outputs The unit generates output signals according to the parameter setting� 2 outputs are available� They can be set separately� OUT1 switching signal for level limit / IO-Link (→ 6.3.7) OUT2 • analogue signal proportional to level 4���20 mA / 20���4 mA •...
6.3.2 Analogue function The unit provides an analogue signal proportional to level� The analogue output (OUT2) can be set (→ 11.4.6 and the following figures)� • [ou2] defines the output function of the analogue output: - current output rising ([ou2] = [I]) or - current output falling ([ou2] = [InEG]) - The analogue start point [ASP2] defines at which measured value the analogue start value*...
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Curve of the analogue signal (measuring range scaled): I [mA] ASP2 AEP2 ① L: level [ou2] = I (factory setting) ② A: active zone = probe length L - (I1 + I2) [ou2] = [InEG] I1: inactive zone 1 ASP2: analogue start point I2: inactive zone 2 (→...
6.3.3 Switching functions Via switching output OUT1 (factory setting) or additionally via OUT2 (can be set) the unit signals that a set limit level has been reached or that the level is below the limit. The following switching functions can be selected: •...
6.3.4 Damping function With unsteady level (e�g� turbulence, wave movements) display and output response can be damped� During damping the determined level values are "smoothed" by means of a mean filter; the result is a steady curve� Damping can be set by means of the parameter [dAP] (→ 11.4.10)� [dAP] indicates in seconds after what time 63 % of the final value is reached in the event of a sudden jump�...
The IODDs necessary for the configuration of the unit, detailed information about process data structure, diagnostic information, parameter addresses and the necessary information about the required IO-Link hardware and software can be found at www�ifm�com� 6.3.8 Simulation functions Various levels and errors can be simulated for set-up, maintenance or interference reduction�...
7.1.1 Minimum distances for installation in closed metal tanks Fig. 7-1 Fig. 7-2 Without adjustment Installation distances with adjustment (→ Installation distances without adjustment 7�1�7) 10 mm *) A1: 10 mm *) 20 mm A2: 50 mm 20 mm to structures in the tank (B) A3: 50 mm to structures in the tank (B) 50 mm to other sensors type LR 50 mm to other sensors type LR...
7.1.3 Applications with viscous and fast flowing media ► If possible, install the unit in a bypass pipe / still pipe (→ 7.1.2)� ► In addition, the following aspects have to be considered: ► Probe must not be in contact with the tank Fig.
7.1.5 Heavy soiling If the medium is highly polluted, there is the risk that a bridge forms between the probe and the tank wall or structures in the tank� ► Increase minimum distances depending on the pollution intensity� 7.1.6 Heavy foam build-up and turbulence Heavy foam build-up and turbulence may lead to incorrect measurements�...
7.1.7 Notes on tank adjustment Tank adjustment [tREF] reduces the effect of interference and ensures a higher excess gain in difficult application conditions� Carry out the tank adjustment only when the unit is installed� For the tank adjustment it is necessary to enter an "adjustment distance" first� Within this distance, starting from the process connection, interfering reflections are compensated�...
Carry out a tank adjustment with empty tank, if possible, to detect any possible sources of interference. In this case: ► Select the max� adjustment distance (L - 250 mm)� Only if data storage is required in an IO-Link application: The tank adjustment is not saved via IO-Link�...
7.3 Probe length 7.3.1 Shorten the probe The probe can be shortened to adapt to different tank heights� Ensure that the probe length is not below the minimum permissible probe length (L ) of 150 mm� The unit does not support probe lengths below 150 mm�...
7.4 Installation of the unit Before installing and removing the unit: Make sure that no pressure is applied to the system and that there is no medium in the tank that could leak� Also always take into account the potential dangers related to extreme machine and medium temperatures�...
7.4.2 Installation in the tank lid using a 3/4 NPT flange plate Fig. 7-9 Fig. 7-10 ► Arrange for a bore hole in the tank lid� It must have a minimum diameter (d) to enable sufficient transfer of the measured signal to the probe (Fig� 7-9)� The diameter (d) depends on the wall thickness of the tank lid: Wall thickness [mm] 1���5...
7.4.3 Installation in open metal tanks ► For installation in open metal tanks, use a metal fixture with 3/4 NPT process connection to install the unit. It serves as a launching plate (R; minimum size: 150 x 150 mm for a square fixture, 150 mm diameter for a circular fixture (→...
7.4.4 Installation in plastic tanks 150 mm launching plate To enable sufficient transfer of the measured signal, note in case of installation in plastic tanks or metal tanks with plastic lid: ► The plastic lid must be provided with a drill hole with a minimum diameter of 150 mm�...
7.5 Alignment of the sensor housing The sensor housing cannot be rotated with respect to the internal thread! Subsequent alignment of the sensor housing is therefore not possible� Therefore, the subsequent orientation of the housing (display orientation, cable outlet) must be observed during installation of the process connection on the tank lid�...
8 Electrical connection The unit must be connected by a qualified electrician� The national and international regulations for the installation of electrical equipment must be adhered to� Voltage supply according to SELV, PELV� For marine applications (if approval available for the device), additional surge protection is required�...
9 Operating and display elements 1 to 8: Indicator LEDs LEDs Selected unit of measurement� 1 - 3 LEDs Not used� 4 - 6 LEDS Only active if the switching output [ou2] = [I] or [InEG] is selected; then: 7 - 6 switching status OUT2 (on when output 2 is switched)�...
10 Menu 10.1 Menu structure inch Menu items highlighted in grey, e�g� [ SP2 ], are only active when assigned parameters have been selected (→ 10.2.1)� main menu (→ 10.2.1) EF level (→ 10.2.2)
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Menu items highlighted in grey, e�g� [ dS2 ], are only active when assigned parameters have been selected (→ 10.2.3)� III : CFG level (→ 10.2.3) ENV level (→ 10.2.4) SIM level (→ 10.2.5)
10.2 Explanation of the menu 10.2.1 Main menu [I] tREF Carry out tank adjustment� Menu item only visible if [LEnG] ≥ 260 mm. SP1 / rP1 Set point 1 / reset point at which OUT1 switches� Menu item only visible if hysteresis function is selected ([ou1] = [H��])� FH1 / FL1 Upper / lower limit for the acceptable range within which OUT1 switches�...
10.2.3 CFG level (configuration) [III] Output configuration for OUT1: • switching signal for level limit� Hysteresis or window function, normally closed or normally open� Output configuration for OUT2: • analogue signal for current level, 4…20 mA or 20…4 mA • switching signal for level limit� Hysteresis or window function, normally closed or normally open�...
11 Parameter setting During parameter setting the device remains in the operating mode� It continues to monitor with the existing parameters until the parameter setting has been completed� 11.1 Parameter setting in general Select parameter ► Press [Enter] to get to the menu� ►...
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[C�Loc] or [S�Loc] as operation indication see (→ 12.3)� • Change from menu level 1 to menu level 2: ► Press [Enter] to get to the menu� ► Press [▲] or [▼] until [EF] is displayed� ► Press [Enter]� > The first parameter of the submenu is displayed (here: [rES]).
11.2 Basic settings (set-up) On delivery of the unit, you must first enter the basic settings� The complete user menu then opens� 11.2.1 Enter probe length ► Select [LEnG]� ► Press [Enter]� > [nonE] is displayed� ► Press [▲] or [▼] for min. 1 s. >...
11.2.3 Carry out tank adjustment Menu item only visible if [LEnG] ≥ 260 mm. ► Observe notes (→ 7.1.7)� ► Select [tREF]� ► Press [Enter]� > [nonE] or the value saved from the last tank adjustment (distance value) is displayed� ►...
11.4 Set output signals 11.4.1 Set output function for OUT 1 ► Select [ou1] and set the switching function: [Hno] = hysteresis function / normally open [Hnc] = hysteresis function / normally closed [Fno] = window function / normally open [Fnc] = window function / normally closed Note: If the switching output is used as an overflow prevention, the setting...
always on [rPx] irrespective of whether the normally open or normally closed function is used� 11.4.6 Set output function for OUT2 ► Select [ou2] and set the switching function: [I] = current output 4���20 mA [InEG] = current output 20���4 mA [Hno] = hysteresis function / normally open [Hnc] =...
11.4.11 Set delay time in case of a fault ► Select [dFo] and set a value between 0���10�0 s� [dFo] only effective in case of a fault� Mind the dynamics of your application� In case of fast level changes it is recommended to adapt the value step by step�...
11.7 Simulation 11.7.1 Set simulation value ► Select [S�LvL] ► Set the process value to be simulated: [Numerical level in mm / inch (depending on the basic setting) value] = [FULL] = full state [SEnS] = weak measured signal [Err] = electronic fault found [EPTY] = empty state...
12 Operation 12.1 Single probe This unit is intended for operation with a single probe� A coaxial probe cannot be used with this unit� The single probe is made up of one individual rod� Operation with a single probe is suited for the detection of aqueous media, in particular of heavily soiled aqueous media�...
12.3 Operation indication ---- continuous Initialisation phase after power on On delivery the unit is not operational� Basic settings required (→ 11.2)� [----] Level below the active zone Numerical value + LED 1 Current level in mm Numerical value + LED 2 Current level in inches Numerical value + LED 3 Current level in % of the scaled measuring range...
12.6 Error indications Possible cause Recommended measures [Err] Fault in the electronics� Replace the unit� Probe detached from the unit; Check whether the probe is still [nPrb] possibly incorrect setting of the attached to the unit� Check the probe length� parameter [LEnG]�...
20...20.5 mA With [ou2] = [InEG]: 4...3.8 mA Empty signal: With [ou2] = [I]: 4...3.8 mA With [ou2] = [InEG]: 20...20.5 mA 13 Technical data Technical data and scale drawing at www�ifm�com� Setting ranges [LEnG] inch Setting range 150���2000 6�0���78�8 Step increment 0�2...
The setting ranges for analogue start point (ASP2) and analogue end point (AEP2) depend on the probe length (L). In general the following applies: inch [ASP2] [AEP2] L - 30 L - 1�2 Step increment 0�05 • Minimum distance between [ASP2] and [AEP2] = 20 % of the active zone� 14 Maintenance / transport ►...
15 Factory setting Factory setting User setting tREF nonE 50% VMR* 0,2 inch below SP1 ASP2 0% VMR* AEP2 100% VMR* inch FOU1 FOU2 SELd LEnG nonE MEdl nonE S.LVL 50 % LEnG S.Tim S.On * VMR = final value of the measuring range = LEnG value minus 1�2 (in inch)� When the LEnG value is entered, the unit calculates the basic setting�...
16 Notes on parameter setting via IO-Link On delivery the unit is not operational� During set-up, valid basic settings have to be sent to the device once even if the default settings correspond to the connected device� Make sure that the basic settings are entered correctly according to the attached probe and the medium to be detected�...
For safety reasons the parameter download can be refused by the sensor� Factory setting: [Open] Data storage - [Open] = unit allows parameter download - [Locked] = unit refuses parameter download More information at www�ifm�com...
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