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4.2 Switching output

OUTx changes its switching status if it is above or below the set switching limits

(flow, temperature or pressure)� Hysteresis or window function can be selected�
Example of volumetric flow monitoring:

Hysteresis function

Window function

SP

rP

FL

FH

SP = set point

rP = reset point

HY = hysteresis

Hno / Fno = NO (normally open)

FH = upper limit

FL = lower limit

FE = window

Hnc / Fnc = NC (normally closed)

When the hysteresis function is set, the set point (SP) is defined first and

then the reset point (rP) which must have a lower value� If only the set point

is changed, the reset point is changed automatically; the difference remains

constant�
When set to the window function, the upper limit value (FH) and the lower

limit value (FL) have a fixed hysteresis of 0�25 % of the final value of the

measuring range� This keeps the switching status of the output stable if the

volumetric flow varies slightly�

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Содержание SD26 Series

Страница 1: ...Operating instructions Flow meter compressed air gases SD25xx SD26xx SD55xx SD56xx SD65xx SD66xx SD85xx SD86xx SD95xx 80280071 00 01 2019 UK...

Страница 2: ...Consumed quantity monitoring via pulse signals 13 4 4 4 Consumed quantity monitoring via preset counter 13 4 5 Measured value damping 14 4 6 Low flow cut off 14 4 7 Simulation 14 4 8 Colour of the ch...

Страница 3: ...pulse signal OUT1 or OUT2 38 10 3 2 Quantity monitoring by preset counter OUT1 or OUT2 38 10 3 3 Manual counter reset 38 10 3 4 Time controlled counter reset 38 10 3 5 Deactivation of the counter rese...

Страница 4: ...ons 42 10 6 10 Zero point calibration pressure 42 10 6 11 Colour of the characters in the display 43 10 6 12 Switch on switch off delay 43 10 6 13 Error behaviour of the outputs 44 10 6 14 Restore fac...

Страница 5: ...packaging or at www ifm com 1 1 Symbols used Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interfe...

Страница 6: ...e setting up the product and keep it during the entire service life The product must be suitable for the corresponding applications and environ mental conditions without any restrictions Only use the...

Страница 7: ...elative air humidity The unit can be set to different standard conditions 10 6 9 This is a class A product This product may cause radio interference in domestic areas If required take appropriate EMC...

Страница 8: ...ing to the parameter setting OUT1 7 selection options switching signal for volumetric flow quantity limit switching signal for temperature limit switching signal for pressure limit switching signal fo...

Страница 9: ...limit FL lower limit FE window Hnc Fnc NC normally closed When the hysteresis function is set the set point SP is defined first and then the reset point rP which must have a lower value If only the s...

Страница 10: ...he measuring range If the measured value is outside the measuring range or in the event of an internal error the current signal indicated in Fig 1 is provided For measured values outside the display r...

Страница 11: ...zone 4 display range 5 measuring range 6 scaled measuring range Q flow P pressure T temperature MAW initial value of the measuring range for non scaled measuring range With setting of a low flow cut...

Страница 12: ...tric flow 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 save...

Страница 13: ...3 5 The output switches when the volumetric flow quantity set with ImPS has been reached The output remains switched until the counter reset The preset counter is only reset when a manual reset is ma...

Страница 14: ...this function the process values flow temperature pressure and meter read ing of the totaliser are simulated and their signal chain is reviewed When the parameters cr UL UL OL und cr OL are set the p...

Страница 15: ...ed 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 cFH MAW MEW cFL lower limit cFH upper limit MAW initial valu...

Страница 16: ...e 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 parameter setting software Flash on...

Страница 17: ...let pipe lengths Structures in the pipe bends valves reducing pieces and the like affect the function of the unit Adhere to the distances between sensor and interference Interference Distance to the s...

Страница 18: ...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 Fit the unit in the pipe in accordance with the flow direction...

Страница 19: ...blue WH white Pin Connection 4 OUT1 switching signal for volumetric flow switching signal for temperature switching signal for pressure switching signal for preset counter pulse signal for quantity me...

Страница 20: ...es 2 x positive switching 2 x negative switching L L 3 BU 4 BK 2 WH 1 BN L L 3 BU 4 BK 2 WH 1 BN 1 x positive switching 1 x analogue 1 x negative switching 1 x analogue L L 3 BU 4 BK 2 WH 1 BN L L 3 B...

Страница 21: ...r Display of the parameters and parameter values 4 and buttons Select parameter Change parameter value hold button pressed Change of the display unit in the normal operating mode RUN mode Lock Unlock...

Страница 22: ...s between the standard indication and two other views After 30 s the device returns to the standard display Running 20 0 l min 1 Totaliser Running 100 l Last Totaliser 0 00 l Time since reset 3 Runnin...

Страница 23: ...F rES rTo Info OUT1 OUT2 CFG TOTL MEM DIS COLR SIM ImPS1 ImPR1 AEP2 ASP2 SP2 rP2 FH2 FL2 ImPS2 ImPR2 DIn2 Explanation of the parameters 8 4 Submenu OUT1 and 8 5 Submenu OUT2 The displayed parameters c...

Страница 24: ...n and setting options rES restore factory setting rTo reset of the totaliser Info display device information OUT1 configuration output 1 OUT2 configuration output 2 CGF configuration basic settings ME...

Страница 25: ...25 UK 8 4 Submenu OUT1 Main menu rES rTo Info OUT1 OUT2 CFG MEM DIS COLR SIM EF SEL1 ou1 dS1 dr1 FOU1 OUT1 OU On OFF Hno Hnc Fno Fnc ImP OFF TEMP PRES FLOW rP1 SP1 FH1 FL1 ImPS1 ImPR1...

Страница 26: ...window function normally closed ImP consumed quantity monitoring totaliser function OFF output OFF of high impedance SP1 set point for OUT1 rP1 reset point for OUT1 FH1 upper limit value for OUT1 FL1...

Страница 27: ...OUT1 OUT2 CFG MEM DIS COLR SIM EF SEL2 ou2 FOU2 OUT2 OU On OFF Hno Hnc Fno Fnc In D ImP I OFF TEMP FLOW PRES AEP2 ASP2 SP2 rP2 FH2 FL2 ImPS2 ImPR2 DIn2 dS2 dr2 The displayed parameters change when th...

Страница 28: ...ignal 4 20 mA In D input for external counter reset signal OFF output OFF of high impedance ASP2 analogue start point for OUT2 AEP2 analogue end point for OUT2 SP2 set point for OUT2 rP2 reset point f...

Страница 29: ...FG Main menu rES rTo Info OUT1 OUT2 CFG MEM DIS COLR SIM EF CFG uni T C F LFC rEF P coF rEF T dAP F dAP P uni F l min m s ft3 h ft3 m ft s m3 h uni P kPa bar psi P n PnP nPn MEdi Ar CO2 N2 AIR only av...

Страница 30: ...mping for volumetric flow dAP P measured value damping for pressure P n output logic MEdi medium selection only available for SDx6xx LFC low flow cut off rEF P standard pressure to which the measured...

Страница 31: ...Submenus MEM DIS Main menu rES rTo Info OUT1 OUT2 CFG MEM DIS COLR SIM EF DIS diS L L3 TP L2 Totl L4 diS U d1 d2 d3 diS R 0 90 180 270 diS B 25 50 75 100 OFF Lo P Hi P Lo T Hi F Hi T Lo F MEM L2 Temp...

Страница 32: ...tion and setting options diS L standard process value display L1 current process value for volumetric flow L2 Temp current process value for flow and temperature L2 Pres current process value for volu...

Страница 33: ...SIM EF COLR cFH T cFH F cFL F cFL T coL F bk wh red green yellow r cF G cF cFH P cFL P coL P bk wh red green yellow r cF G cF bk wh red green yellow r cF G cF coL T coL V bk wh red green yellow SIM S...

Страница 34: ...mit of the colour change for pressure measurement cFL P lower limit of the colour change for pressure measurement coL V colour of the characters in the display for the totaliser value bk wh permanentl...

Страница 35: ...power on delay time 10 Parameter setting CAUTION The housing can heat up considerably Risk of burns Do not touch the device with your hands Use another object e g a ballpoint pen to carry out settings...

Страница 36: ...software This locking can only be removed with a parameter setting software 10 1 1 Select submenu 1 Press to change from the process value display to the main menu 2 Press to select the menu EF and p...

Страница 37: ...hysteresis function normally closed Select SPx and set the value at which the output is set Select rPx and set the value at which the output is reset Menu OUTx SELx oux SPx rPx 10 2 2 Limit monitoring...

Страница 38: ...x ImPSx ImPRx 10 3 2 Quantity monitoring by preset counter OUT1 or OUT2 Select SELx and set FLOW Select oux and adjust the pulse output ImP Select ImPSx and set the volumetric flow quantity at which o...

Страница 39: ...t SPx and set the value at which the output is set Select rPx and set the value at which the output is reset Menu OUTx SELx oux SPx rPx 10 4 2 Limit monitoring OUT1 or OUT2 window function Select SELx...

Страница 40: ...10 5 2 Limit monitoring OUT1 or OUT2 window function Select SELx and set PRES Select oux and adjust the switching signal Fno window function normally open Fnc window function normally closed Select F...

Страница 41: ...elect diS B and set the brightness of the display 25 50 75 100 or OFF energy saving mode The display is switched off in the operating mode Error messages are displayed even if the display is deactivat...

Страница 42: ...n CO2 carbon dioxide N2 nitrogen AIR compressed air This parameter cannot be selected for the SDx5xx units Menu CFG MEdi 10 6 8 Low flow cut off Select LFC and set limit below which a current is evalu...

Страница 43: ...hange to red Select cFH x and cFL x and set the limits for the colour window cFH F upper limit for volumetric flow cFL F lower limit value for volumetric flow cFH T upper limit value for temperature c...

Страница 44: ...spective of the error as defined with the parameters Analogue output On the analogue signal goes to the upper error value 4 3 OFF the analogue value goes to the lower error value 4 3 OU the analogue s...

Страница 45: ...Delete memory Select Lo x or Hi x Keep and pressed is displayed Briefly press It is recommended to delete the memories as soon as the unit oper ates under normal operating conditions for the first tim...

Страница 46: ...nk The status signals are classified according to NAMUR recommendation NE107 If several diagnostic events occur simultaneously only the diagnostic message of the result with the highest priority is di...

Страница 47: ...erature range Short circuit OUT1 OUT2 OUT1 OUT2 Short circuit OUT1 and OUT2 Check switching outputs OUT1 and OUT2 for short circuit or excessive current Short circuit OUT1 OUT1 Short circuit OUT1 Chec...

Страница 48: ...nk flash OUT1 OUT2 IO Link function for optical identification of the unit active OU Deactivate IO Link function Detection zone 4 3 Figure 1 Error In the event of an error the outputs react according...

Страница 49: ...rTo OFF OUT1 SEL1 FLOW ou1 Hno SP1 FH1 20 rP1 FL1 19 ImPS1 SD5 SD6 0 0001 m3 SD8 SD9 SD2 0 001 m3 ImPR1 YES dS1 0 dr1 0 FOU1 OFF OUT2 SEL2 FLOW ou2 I ASP2 0 AEP2 100 SP2 FH2 40 rP2 FL2 39 ImPS2 SD5 SD...

Страница 50: ...x601 psi dAP F 0 6 s dAP P 0 06 s P n PnP MEdi CO2 LFC SD5 0 02 m3 h SD6 0 1 m3 h SD8 0 3 m3 h SD9 0 5 m3 h SD2 2 m3 h rEF P 1013 mbar rEF T 15 C coF 0 DIS diS L L3 TP diS U d3 diS R 0 diS B 75 COLR c...

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