Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Symbols used ������������������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Functions and features ����������������������������������������������������������������������������������������4 4 Function ���������������������������������������������������������������������������������������������������������������5 4�1 Processing of the measured signals ��������������������������������������������������������������5 4�2 Volumetric flow monitoring �����������������������������������������������������������������������������5 4�3 Consumed quantity monitoring (totalizer function) ����������������������������������������5 4�3�1 Consumed quantity monitoring with pulse output ���������������������������������6 4�3�2 Consumed quantity monitoring with preset counter �����������������������������6 4�4 Temperature monitoring ���������������������������������������������������������������������������������6...
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9�3�1 Settings for quantity monitoring via pulse output ��������������������������������18 9�3�2 Settings for quantity monitoring via the preset counter ����������������������19 9�3�3 Settings for program-controlled counter reset ������������������������������������19 9�3�4 Deactivation of the counter reset ��������������������������������������������������������19 9�3�5 Counter reset using an external signal �����������������������������������������������19 9�4 Settings for temperature monitoring ������������������������������������������������������������20 9�4�1 Settings for limit value monitoring with OUT2 �������������������������������������20 9�4�2 Setting the analogue value for temperature ���������������������������������������20...
1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result […] Designation of pushbuttons, buttons or indications → Cross-reference Important note Non-compliance can result in malfunction or interference� Information Supplementary note� 2 Safety instructions • Please read this document prior to set-up of the unit� Ensure that the product is suitable for your application without any restrictions�...
• All indications apply for standard volume flow to DIN ISO 2533, i�e� volume flow at 1013 hPa, 15 °C and 0 % relative air humidity� The unit can be set to different standard conditions (→ 9.5.5 and 9.5.6). • The general operating conditions of compressed air equipment apply� 4 Function 4.1 Processing of the measured signals • The unit displays the current process values�...
• In addition the value before the last reset is stored� This value can also be displayed� The meter saves the totalled consumed quantity every 10 minutes� After a power failure this value is available as the current meter reading� If a time- controlled reset is set, the elapsed time of the set reset interval is also stored�...
4.5 Volumetric flow or temperature monitoring / switching function OUTx changes its switching state if it is above or below the set switching limits (SPx, rPx)� The following switching functions can be selected: • Hysteresis function / normally open (figure 1): [OUx] = [Hno]� • Hysteresis function / normally closed (figure 1): [OUx] = [Hnc]�...
4.6 Volumetric flow or temperature monitoring / analogue function Characteristics of the analogue output to the standard IEC 60947-5-7 1: Output current in mA 2: Operating area 3: Measuring range 4: Range between analogue start point and analogue end point 5: Error message [Err] is displayed 6: Final value of the measuring range (VMR) 7: Error message [OL] is displayed (= overload)
4.7 Setting of the standard conditions of the volume flow The unit is adjusted to a standard volume flow to DIN ISO 2533, i�e� volume flow at 1013 hPa, 15 °C and 0 % relative air humidity� The unit can be set to different standard conditions: • Via the menu item [rEF�P] the standard pressure is set, which serves as a refer- ence for the measured and display values for volumetric flow (→ 9.5.5).
5 Installation The rules and regulations for the installation and operation of compressed air equipment must be observed� 5.1 Installation location • Behind the cold dryer / near the load� • If compressed air is fed into the main pipe through parallel pipes, the unit should be mounted in the main pipe�...
5.3 Installation position • Permitted installation positions: pipe length vertical, any position (fig� 1, 2); pipe length horizontal, unit vertical (fig� 3, 4), unit on side, pipe length left (fig� 5)� • Avoid the installation position in fig� 6 (unit on side, pipe length right)� If the flow rate is low, the specified measurement accuracy cannot be adhered to�...
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: OUT2/InD OUT1/IO-Link Pin 1...
7 Operating and display elements 1 2 3 4 5 6 7 8 Mode/Enter Set 1 to 8: Indicator LEDs - LED 1 (green) = current volumetric flow in standard litres / minute (Nl/min)� - LED 2 (green) =current volumetric flow in standard cubic metres / hour (Nm /h)�...
8 Menu 8.1 Menu structure Nl/min Nm/s °C = [Mode/Enter] / = [Set] • • Nm = current meter reading in Nm / Nm * = stored meter reading in Nm • The parameter values displayed in the form of numbers are factory settings or random examples�...
8.2 Explanation of the menu SP1/rP1 Upper / lower limit value for volumetric flow� ImPS Pulse value� Pulse repetition active (= pulse output) or not active ImPR (= preset counter function)� Output function for OUT1 (volumetric flow or consumed quantity): - Switching signal for the limit values: hysteresis function or window function, either normally open or normally closed�...
9 Parameter setting Parameters can be set before installation and set-up of the unit or during operation� If you change parameters during operation, the operating principle of the plant will be influenced� ► Ensure that there will be no malfunctions in your plant� Using an IO-Link capable parameter setting tool such as the FDT service program ifm Container the following options are available: - Reading current process values�...
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Setting of other parameters ► Start again with step 1� Finishing the parameter setting ► Press [Mode/Enter] several times until the current measured value is displayed or wait for 15 s (from menu level 1) or 30 s (from menu level 2)� >...
9.2 Settings for volumetric flow monitoring 9.2.1 Settings for limit value monitoring with OUT1 ► Select [Uni] and set the unit of measurement (→ 9.5.1). ► Select [OU1] and set the switching function� - [Hno] = hysteresis function/NO - [Hnc] = hysteresis function/NC - [Fno] = window function/NO - [Fnc] = window function/NC ►...
9.3.2 Settings for quantity monitoring via the preset counter ► Select [OU1] and set [ImP]� ► Select [ImPS] and set the volumetric flow quantity at which output 1 switches (→ 9.7). ► Select [ImPR] and set [no]� > Pulse repetition is not active� The output switches ON if the value set in [ImPS] is reached�...
9.4 Settings for temperature monitoring 9.4.1 Settings for limit value monitoring with OUT2 ► Select [SEL2] and set [TEMP]� ► Select [OU2] and set the switching function� - [Hno] = hysteresis function/NO - [Hnc] = hysteresis function/NC - [Fno] = window function/NO - [Fnc] = window function/NC ►...
9.5.3 Setting of measured value damping ► Select [dAP] and set the damping constant in seconds (t value 63 %)� 9.5.4 Setting of the error behaviour of the outputs ► Select [FOU1] and set the value - [On] = output 1 switches ON in case of a fault� - [OFF] = output 1 switches OFF in case of a fault�...
9.6 Service functions 9.6.1 Reading of the min/max values for the volumetric flow ► Select [HI] or [LO], briefly press [Set]� [HI] = maximum value, [LO] = minimum value Delete memory ► Select [HI] or [LO]� ► Press [Set] and keep it pressed until [----] is displayed� ►...
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Setting operation: ► Set [OU1] to [ImP] (→ 9.3.2). ► Press [Mode/Enter] until [ImPS] is displayed� ► Press [Set] and keep it pressed� > The current numerical value flashes for 5 s, then one of the 4 digits becomes active (digit flashes, can be changed)� ►...
► Wait 3 s (do The next digit on the right flashes (= becomes active)� not press any 8 1 2� 3 button)� No button pressed; after 3 s 8 1 2� 3 after 3 s 8 1 2� 3 after 3 s 8 1 2�...
10.1 Reading of set parameters ► Press [Mode/Enter] until the requested parameter is displayed� ► Press [Set] briefly� > The unit displays the corresponding parameter value� After about 15 s (from menu level 1) or 30 s (from menu level 2) it again displays the parameter, then it returns to the Run mode�...
12 Technical data Operating voltage [V] �����������������������������������������������������������������������������������������18���30 DC Current rating [mA] ����������������������������������������������������������������������������������������������������2 x 250 Short-circuit proof; rev� polarity, overload protection Voltage drop [V] ����������������������������������������������������������������������������������������������������������������< 2 Current consumption typ� [mA] �������������������������������������������������������������������������������������< 110 Analogue output �������������������������������������������������������4 ��� 20 mA; measuring range scalable Max. load [Ω] �������������������������������������������������������������������������������������������������������������������500 Pulse value �����������������������������������������������������������������������������������������...
to EN50178, SELV, PELV in brackets: value displayed value for air quality class 141 (DIN 8573-1) value for air quality class 344 (DIN 8573-1) for medium flow in the limit area of the flow measurement range All data refer to the standard volume flow to DIN ISO 2533� 12.1 Setting ranges SP1 / SP2 rP1 / rP2...