13 Maintenance, repair and disposal ��������������������������������������������������������������������46 14 Factory setting �������������������������������������������������������������������������������������������������47 1 Preliminary note Detailed instructions, technical data, approvals and other information via the QR code on the unit / on the packaging or at www�ifm�com� 1.1 Symbols used ► Instructions >...
2 Safety instructions • The device described is a subcomponent for integration into a system� - The manufacturer is responsible for the safety of the system� - The system manufacturer undertakes to perform a risk assessment and to create a documentation in accordance with legal and normative requirements to be provided to the operator and user of the system�...
3 Functions and features The unit monitors the standard volume flow of compressed air in industrial use� It detects the 4 process variables flow velocity, volumetric flow quantity, consumed quantity and medium temperature� All indications apply to standard volume flow to DIN ISO 2533, i�e� volume flow at 1013 mbar, 15 °C and 0 % relative air humidity�...
4 Function • The volumetric flow is monitored by a calorimetric measuring system, the measured signals are evaluated by the electronics� • The unit detects the media temperature of the volumetric flow as additional process value� • The unit features an IO-Link interface •...
4.2 Switching output 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 FH = upper limit rP = reset point FL = lower limit...
4.3 Analogue output The unit provides an analogue signal that is proportional to the volumetric flow quantity or the medium temperature� Within the measuring range the analogue signal is 4���20 mA� The measuring range is scalable: • [ASP2] determines at which measured value the output signal is 4 mA� •...
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[mA] FOU=On 21,5 20,5 FOU=OFF cr.UL UL cr.OL [% MEW] [°C] [°F] Fig� 1: Characteristics of the analogue output according to the standard IEC 60947-5-7� analogue signal measured value (volumetric flow or temperature) detection zone display range measuring range scaled measuring range flow temperature MAW: initial value of the measuring range for non-scaled measuring range (With setting of a...
4.4 Consumed quantity monitoring [ImP] The unit has an internal quantity meter (totaliser)� It continuously sums up the consumed quantity and provides this process value both on the display and via the IO-Link interface� Pulse signals or a switching signal (preset counter) can be used to monitor the consumed quantity�...
4.4.3 Consumed quantity monitoring via pulse signals Every time the flow rate set with [ImPS] has been reached (pulse value), the output provides a pulse signal� OUT1 and OUT2 cannot be used simultaneously for the pulse output� 4.4.4 Consumed quantity monitoring via preset counter When the flow rate set under [ImPS] has been reached, the output provides a switching signal�...
4.5 Measured value damping The damping time [dAP�F] 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 damping time stabilises the switching outputs, the display and the process value transfer via the IO-Link interface�...
4.8 Colour of the characters in the display The colour of the characters in the display can be set via the parameter [coL�x]: • Permanent definition of the display colour: - bk/wh (black/white) - yellow - green - red • Colour change from red to green or vice versa (Fig� 2): - r-cF (red display colour between the limits cFL���cFH) - G-cF (green display colour between the limits cFL���cFH) cFL = lower limit...
IO-Link hardware and software can be found at www�ifm�com� 4.9.1 Additional functions via IO-Link The following functions are only available via the IO-Link interface by means of a...
5.1 Installation location ► Install the unit downstream of the cold dryer� ► Install the unit near the load� ► The unit can be installed downstream of a maintenance unit� ► If oil is used for the loads: install the unit upstream of the oiler� 5.2 Installation position 5.2.1 Inlet and outlet pipe lengths Structures in the pipe, bends, valves, reducing pieces and the like affect the...
5.2.2 Orientation Fig� 1: Orientation of the pipe length and the unit 1: pipe length vertical, unit any 2: pipe length horizontal, unit vertical 3: pipe length right, unit on side 4: avoid: pipe length left, unit on side 5.3 Installation in pipes ►...
6 Electrical connection The device must be connected by a qualified electrician� Voltage supply according to EN 50178, SELV, PELV� ► Disconnect power� ► Connect the unit as follows: OUT2 OUT1 Colours to DIN EN 60947-5-2 BK: black; BN: brown; BU: blue; WH: white Connection •...
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Circuit examples: 2 x positive switching 2 x negative switching 1 BN 1 BN 2 WH 2 WH 4 BK 4 BK 3 BU 3 BU 1 x positive switching / 1 x analogue 1 x negative switching / 1 x analogue 1 BN 1 BN 2 WH...
7 Operating and display elements 1 and 2: Switching status LEDs • LED 1 = switching status OUT1 (on if output 1 is switched) • LED 2 = switching status OUT2 (on if output 2 is switched) 3: TFT display •...
8 Menu 8.1 Process value display (RUN) It is possible to select three process value indications during operation: ► Press [▲] or [▼]. > The display changes between the standard indication and two other views� > After 30 s, the device returns to the standard display� Running...
8.2 Main menu Process value display (RUN) ImPS1 ImPR1 ASP2 ImPS2 DIn2 AEP2 ImPR2 rES, rTo, Info, OUT1, OUT2, CFG, MEM, DIS, COLR, SIM Explanation of the parameters → 8.4 Submenu OUT1 and → 8.5 Submenu OUT2 The displayed parameters change when the factory setting in submenu OUT1 and OUT2 is changed�...
8.3 Extended functions (EF) Main menu Parameter Explanation and setting options - - - - restore factory setting rES.T reset of the totaliser 2 h 3 h 4 h 5 h ... Info display device information - - - - Info OUT1 configuration output 1...
8.4 Submenu OUT1 Main menu SEL1 FLOW TEMP Hno Hnc Fno Fnc ImP OFF Info OUT1 ImPS1 OUT2 ImPR1 OUT1 FOU1 OU On OFF COLR...
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Explanations submenu OUT1 Parameter Explanation and setting options SEL1 standard unit of measurement for evaluation by OUT1: FLOW (volumetric flow) or TEMP (temperature) output function for OUT1: • flow Hno, Hnc, Fno, Fnc, ImP • temperature: Hno, Hnc, Fno, Fnc Hno = switching signal with hysteresis function normally open Hnc = switching signal with hysteresis function normally closed Fno = switching signal with window function normally open...
8.5 Submenu OUT2 Main menu Info OUT1 SEL2 FLOW TEMP OUT2 Hno Hnc Fno Fnc In.D ASP2 ImPS2 DIn2 AEP2 ImPR2 COLR OUT2 FOU2 OU On OFF...
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Explanation submenu OUT2 Parameter Explanation and setting options SEL2 standard measured variable for evaluation by OUT2: FLOW (volumetric flow) or TEMP (temperature) output function for OUT2: • flow Hno, Hnc, Fno, Fnc, I, ImP • temperature: Hno, Hnc, Fno, Fnc, I Hno = switching signal with hysteresis function normally open Hnc = switching signal with hysteresis function normally closed Fno = switching signal with window function normally open...
8.6 Submenu CFG Main menu uni.F l/min m/s ft /h ft /min ft/s uni.T °C °F Info - - - dAP.F OUT1 PnP nPn OUT2 - - - - - - rEF.P - - - rEF.T - - - SySP COLR...
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Explanation submenu CFG Parameter Explanation and setting options uni�F standard unit of measurement for volumetric flow uni�T standard unit of measurement for temperature dAP�F measured value damping for volumetric flow output logic low flow cut-off rEF�P standard pressure to which the measured and display values for volumet- ric flow refer rEF�T standard temperature to which the measured and display values for...
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Explanation submenu MEM Parameter Explanation and setting options Lo�F min� value of the flow volume measured in the process Hi�F max� value of the flow volume measured in the process Lo�T min� value of the temperature measured in the process Hi�T max�...
8.8 Submenus COLR, SIM Main menu coL.F bk/wh red green yellow r-cF G-cF Info - - - cFH.F OUT1 - - - cFL.F OUT2 coL.T bk/wh red green yellow r-cF G-cF - - - cFH.T - - - cFL.T COLR coL.V bk/wh red green yellow COLR...
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Explanation submenu COLR The displayed parameters change when the factory setting in submenu OUT1 and OUT2 is changed� Parameter Explanation and setting options coL�F colour of the characters in the display for the flow rate value cFH�F upper limit of the colour change for flow rate measurement cFL�F lower limit of the colour change for flow rate measurement coL�T...
9 Set-up After power on and expiry of the power-on delay time of approx� 1 s, the unit is in the Run mode (= normal operating mode)� It carries out its measurement and eval- uation functions and generates output signals according to the set parameters� •...
10.1 Parameter setting in general 1� Change from the RUN mode to the main menu [●] 2� Select the requested parameter [▲] or [▼] 3� Change to the setting mode [●] 4� Change the parameter value [▲] or [▼] > 1 s 5�...
During operation: [ Lock via key] is displayed if you try to change param- eter values� Unlocking: ► Make sure that the unit is in the normal operating mode� ► Press [▲] and [▼] simultaneously for 10 s until [Reset menu lock] is displayed. 10.1.4 Timeout If no button is pressed for 30 s during parameter setting, the unit returns to the operating mode with unchanged values�...
10.3 Settings for consumed quantity monitoring 10.3.1 Quantity monitoring by pulse signal OUT1 or OUT2 ► Select [uni�F] and set the unit of measurement� Menu OUTx: ► Select [SELx] and set FLOW� [SELx] ► Select [oux] and adjust the pulse output: ImP [oux] ►...
10.3.6 Counter reset using an external signal ► Select [ou2] and set In.D. Menu OUT2: ► Select [DIn2] and set counter reset signal: [ou2] [DIn2] - HIGH = reset for high signal - LOW = reset for low signal - +EDG = reset for rising edge - –EDG = reset for falling edge >...
10.5 User settings (optional) 10.5.1 Standard display ► Select [diS�L] and set process value display: Menu DIS: [diS�L] - L1 = current process value for volumetric flow [diS�U] - L2�Temp = current process value for flow and temperature [diS�R] - L2�Totl = current process value for volumetric flow and totaliser - L3 = current process value for volumetric flow and...
10.5.5 Output logic ► Select [P-n] and set PnP or nPn� Menu CFG: [P-n] 10.5.6 Low flow cut-off ► Select [LFC] and set limit, below which a current is evaluated as Menu CFG: standstill� [LFC] 10.5.7 Standard conditions ► Select [rEF�P] and set the standard pressure� Menu CFG: ►...
10.5.9 Colour of the characters in the display ► Select [coL�F] for volumetric flow or [coL�T] for temperature and set the Menu COLR: colour of the characters for the process value in the standard display: [coL�x] [cFH�x] - bk/wh = permanently black/white [cFL�x] - yellow = permanently yellow [coL�V]...
10.5.11 Error behaviour of the outputs ► Select [FOU1] and set error behaviour for output 1: Menu OUT1: [FOU1] switching output - On = output 1 switches ON in case of an error Menu OUT2: - OFF = output 1 switches OFF in case of an error [FOU2] - OU = output 1 switches irrespective of the error as defined with the...
10.6 Diagnostic functions 10.6.1 Read min/max values ► Select [Lo�x] or [Hi�x] to display the highest or lowest process value Menu MEM: measured: [Lo�x] [Hi�x] - [Lo�F] = min� value of the flow volume measured in the process - [Hi�F] = max� value of the flow volume measured in the process - [Lo�T] = min�...
If several diagnostic events occur simultaneously, only the diagnostic message of the result with the highest priority is displayed� If one process value fails, the other process values continue to be available� Additional diagnostic functions are available via IO-Link → IODD interface description at www�ifm�com Description Error correction ERROR ERROR Unit faulty / mal- FOU Replace device�...
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Description Error correction ERROR Temp Error in temperature FOU Check temperature Error measurement measurement� Re- place device� cr�OL Critical Detection zone* FOU Check flow range / over exceeded temperature range� limit cr�UL Critical Detection zone* not FOU Check temperature under reached range�...
Description Error correction Lock via Setting buttons Unlock the unit via system locked via parameter IO-Link interface software, parameter using the parameter change rejected setting software� IO-Link IO-Link IO-Link function for Deactivate IO-Link OUT1 flash optical identification function� OUT2 of the unit active * Detection zone →...
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Menu Parameter Factory setting User setting uni.F uni.T °C dAP.F 0,6 s 0�1 m rEF.T 15 °C SySP 6 bar diS.L diS.U diS.R diS.B COLR coL.F bk/wh coL.T bk/wh coL.V bk/wh The percentage values refer to the final value of the measuring range�...