Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Functions and features ����������������������������������������������������������������������������������������5 4 Function ���������������������������������������������������������������������������������������������������������������5 4�1 Processing of the measured signals ��������������������������������������������������������������6 4�2 Direction of flow ���������������������������������������������������������������������������������������������6 4�2�1 Determination of the direction of flow (Fdir) ������������������������������������������6 4�2�2 Detection of the direction of flow (dir�F) ������������������������������������������������7 4�3 Consumed quantity monitoring (ImP) ������������������������������������������������������������7 4�3�1 Display and counting method of the quantity meter �����������������������������8 4�3�2 Consumed quantity monitoring via pulse output �����������������������������������8...
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10�2 Settings for volumetric flow monitoring ������������������������������������������������������28 10�2�1 Limit monitoring volumetric flow (OUT1) ������������������������������������������28 10�2�2 Limit monitoring volumetric flow (OUT2) ������������������������������������������28 10�2�3 Analogue output flow rate (OUT2) ����������������������������������������������������28 10�2�4 Detection of the direction of flow (OUT1 or OUT2) ���������������������������28 10�3 Settings for consumed quantity monitoring �����������������������������������������������29 10�3�1 Quantity monitoring by pulse output (OUT1) ������������������������������������29 10�3�2 Quantity monitoring by preset counter (OUT1) ���������������������������������29 10�3�3 Pulse value ���������������������������������������������������������������������������������������29...
1 Preliminary note ► Instructions > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information Supplementary note� CAUTION Warning of personal injury� Slight reversible injuries may result� 2 Safety instructions •...
► Install the units according to the applicable rules and regulations� ► Ensure that the system is free of pressure during installation� ► Protect the housing against contact with flammable substances and uninten- tional contact� To do so, equip the units with suitable protection (e�g� protective cover)�...
4.1 Processing of the measured signals The unit generates 2 output signals according to the parameter settings: OUT1/IO-Link: 4 selection options Parameter setting - Switching signal for volumetric flow quantity limit → 10.2.1 - Pulse signal for quantity meter → 10.3.1 - Switching signal for preset counter →...
4.2.2 Detection of the direction of flow (dir.F) When dir�F is activated (→ 10.2.4), the direction of flow is indicated by a switching signal� The output is switched on until the set minimum volumetric flow quantity in nega- tive direction of flow (- LFC) is not reached (1)� Afterwards the following applies: - The output switches ON when + LFC is exceeded (2)�...
4.3.1 Display and counting method of the quantity meter Meter reading: • The current meter count can be indicated (→ 11.2)� • In addition the value before the last reset is saved� This value can also be displayed (→ 11.2)� The meter saves the totalled volumetric flow quantity every 10 minutes�...
FPro = 0 + FPro = – + + Q = volumetric flow quantity in positive direction - Q = volumetric flow quantity in negative direction V = volumetric flow quantity absolute (= sum of negative and positive flow) 4.3.3 Consumed quantity monitoring via preset counter 2 kinds of monitoring are possible which can be set via the parameter [rTo]�...
4.4 Switching function OUTx changes its switching status if it is above or below the set switching limits (flow or temperature)� Hysteresis or window function can be selected� Example of volumetric flow monitoring: Hysteresis function Window function SP = set point SP = upper limit rP = reset point rP = lower limit...
4.5 Analogue function • The unit provides an analogue signal that is proportional to the volumetric flow quantity and the medium temperature� • The analogue signal can be provided as current or voltage signal� • Within the measuring range the analogue signal is 4���20 mA (current output) or 0���10 V (voltage output)�...
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[mA] FOU=On 11,5 21,5 FOU=OFF cr�UL UL cr�OL -130 -120 [% MEW] [°C] [°F] Figure 1: Characteristics of the analogue output according to the standard IEC 60947-5-7� Flow (a negative flow value means flow against the marked flow direction) Temperature Below the display range Above the display range cr�UL:...
4.6 Measured value damping (dAP) The damping time allows to set after how many seconds the output signal has reached 63 % of the final value if the flow value changes suddenly� The set damp- ing time stabilises the outputs, the display and the process value transfer via the IO-Link interface�...
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Example: dST for hysteresis function Condition Reaction 1 Volumetric flow quantity Q reaches LFC dST starts, output becomes active 2 dST elapsed, Q reached SP Output remains active 3 Q below SP but above rP Output remains active 4 Q below rP Output is reset 5 Q reaches again LFC dST starts, output becomes active...
Example: dST for window function Condition Reaction 1 Volumetric flow quantity Q reaches LFC dST starts, output becomes active 2 dST elapsed, Q reached good range Output remains active 3 Q above SP (leaves good range) Output is reset 4 Q again below SP Output becomes active again 5 Q below rP (leaves good range) Output is reset again...
For 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 visit www�ifm�com� 5 Mounting ► Ensure that the system is free of pressure during installation�...
► Install in front of or in a rising pipe� 5.2 Not recommended installation position ► Avoid the following installation positions: Directly in front of a falling pipe� In a falling pipe�...
At the highest point of the pipe system� F = flow direction 5.3 Grounding If installed in an ungrounded pipe system (e�g� plastic pipes), the unit must be grounded (functional earth)� Ground brackets for the M12 connector are available as accessories → www.ifm.com.
5.4 Installation in pipes The units with a G thread can be installed in the pipes using adapters� Information about the available mounting accessories at www�ifm�com� A correct fit of the unit and ingress resistance of the connection are only ensured using ifm adapters�...
6 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 EN 50178, SELV, PELV� ► Disconnect power� ► Connect the unit as follows: BK: black BN: brown OUT2...
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Pin 1 Pin 3 • Switching signal: limits for volumetric flow • Pulse signal: 1 pulse every time the defined volumetric flow quantity is reached Pin 4 • Switching signal: quantity meter reached preset value (OUT1) • Switching signal for direction of flow •...
Mode / Enter 1-6: Indicator LEDs for process value indication SMxx00: Unit Process value display SMxx00 SM4x00 Current flow volume per minute l/min ml/min Current flow volume per hour Current consumed quantity (= meter reading) since the last reset 4 + 6...
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7-8: Indicator LEDs for switching output LED 7: Switching status OUT2 (lights when output 2 is switched) LED 8: Switching status OUT1 (lights when output 1 is switched) 9: Alphanumeric display, 4 digits • Current volumetric flow quantity with setting [SELd] = FLOW •...
8 Menu Hi�F SMxx00: l/min °C Lo�F SM4x00: Hi�T ml/min m³ °C SMxx01: Lo�T °F FOU1 FOU2 ImPS ImPR Hno Hnc Fno Fnc ImP dir�F I U Hno Hnc Fno Fnc In�D dir�F ASP2 DIn2 SELd SEL2 AEP2 FPro Fdir...
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Parameters Explanation and setting options (→ 4 Function) SP1 / rP1 Maximum / minimum value for volumetric flow on OUT1� ImPS Pulse value = volumetric flow quantity at which 1 pulse is delivered� ImPR Configuration of the output for consumed quantity monitoring: YES (pulse signal), no (switching signal)�...
LFC Low flow cut-off� FPro Counting method of the totaliser: – + or 0+ (→ 10.5.8)� Fdir Direction of flow: + or - (→ 10.5.9)� rES Restoring the factory settings� 9 Set-up After power on and expiry of the power-on delay time of approx� 5 s the unit is in the RUN mode (= normal operating mode)�...
CAUTION For medium temperatures above 50 °C (122 °F) some parts of the housing can heat up to over 65 °C (149 °F)� ► Do not press the pushbuttons manually� Instead use another object (e�g� ballpoint pen)� 10.1 Parameter setting in general 1�...
10.1.2 Locking / Unlocking The unit can be locked electronically to prevent unintentional settings� On delivery: not locked� Locking ► Make sure that the unit is in the normal operating mode� ► Press [Mode/Enter] and [Set] simultaneously for 10 s until [Loc] is displayed�...
10.3 Settings for consumed quantity monitoring 10.3.1 Quantity monitoring by pulse output (OUT1) ► Select [ou1] and set ImP� ► Select [ImPR] and set YES� ► Select [ImPS] and set the volumetric flow quantity at which 1 pulse is provided (→ 10�3�3)�...
10.3.6 Deactivation of the counter reset ► Select [rTo] and set OFF� > The meter is only reset after overflow (= factory setting)� 10.3.7 Counter reset using an external signal ► Select [ou2] and set In�D� ► Select [DIn2] and set the counter reset signal: HIGH = reset for high signal LOW = reset for low signal +EDG = reset for rising edge...
10.5.2 Standard display ► Select [SELd] and define the standard unit of measurement FLOW = display shows the current volumetric flow value in the standard unit of meas- urement� TOTL = display shows the current meter reading in the unit providing the highest accuracy�...
10.5.7 Low flow cut-off ► Select [LFC] and set the limit� 10.5.8 Counting method of the totaliser ► Select [FPro] and set the value: -+ = totalling the volumetric flow values with the correct sign� 0+ = totalling only positive volumetric flow values� 10.5.9 Direction of flow ►...
11 Operation 11.1 Reading the process value The LEDs 1-6 signal which process value is currently displayed� The process value to be displayed as standard (temperature, volumetric flow quantity or meter reading of the totaliser) can be preset → 10.5.2 Standard display�...
12 Troubleshooting The unit has many self-diagnostic options� It monitors itself automatically during operation� Warnings and error states are displayed, even when the display is switched off� Error indications are also available via IO-Link� Display Type Description Fault correction Error Unit faulty / malfunction ►...
Switching status LEDs for OUT1 ► Check switching outputs and OUT2 flashing: short circuit OUT1 and OUT2 for in both outputs� short-circuit or excessive current� MEW = final value of the measuring range 13 Technical data Technical data and scale drawing at www�ifm�com�...
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Parameter Factory setting User setting 0�6 s SM6/7/8: d3 SM4: d2 SM4x00: ml/min SMxx00: l/min SMxx01: gpm SELd FLOW SEL2 FLOW MAW = Initial value of the measuring range The percentage values refer to the final value of the measuring range�...
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