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12

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:

4

3

2

1

BK: black

BN: brown

BU: blue

WH: white

BN
WH

BK
BU

4

1

3

2

OUT2

L+

L

OUT1

Colours to DIN EN 60947-5-2

Pin 1

Ub+

Pin 3

Ub-

Pin 4 

(OUT1)

Switching signal: limit values for volumetric flow�

Switching signal: quantity meter reached preset value�

Pulses: 1 pulse every time the defined volumetric flow quantity is reached�

Data channel for bidirectional communication�

Pin 2

(OUT2/InD)

Switching signal: limit values for volumetric flow�

Switching signal: limit values for temperature�

Analogue signal for volumetric flow�

Analogue signal for temperature�

Input for signal "counter reset"�

Summary of Contents for SD0550

Page 1: ...Operating instructions Compressed air meter SD0550 80293413 00 04 2020 UK...

Page 2: ...ring analogue function 8 4 7 Setting of the standard conditions of the volume flow 9 4 8 Low flow cut off LFC 9 5 Installation 10 5 1 Installation location 10 5 2 Installation conditions 10 5 3 Instal...

Page 3: ...dard display 20 9 5 3 Setting of measured value damping 20 9 5 4 Setting of the error behaviour of the outputs 21 9 5 5 Setting of the standard pressure to which the measured and display values for vo...

Page 4: ...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 prov...

Page 5: ...ic flow quantity con sumed quantity medium temperature Applications compressed air systems in industrial use All indications apply for standard volume flow to DIN ISO 2533 i e volume flow at 1013 hPa...

Page 6: ...l to the volumetric flow 4 20 mA can be provided on output 2 Analogue functions 4 6 4 3 Consumed quantity monitoring totalizer function The unit has an internal quantity meter which continuously total...

Page 7: ...antity x ImPR no rTo OFF If the quantity x is reached during the time t output 1 switches and remains switched until the meter is reset via the digital input or rTo rED T 4 4 Temperature monitoring A...

Page 8: ...x Fnc The width of the window can be set by means of the difference between SPx and rPx SPx upper value rPx lower value SP rP 1 2 HY hysteresis FE window 4 6 Volumetric flow or temperature monitoring...

Page 9: ...splayed Minimum distance between ASP and AEP 25 of the final value of the measuring range 4 7 Setting of the standard conditions of the volume flow The unit is adjusted to a standard volume flow to DI...

Page 10: ...stallation conditions To achieve the specified measurement accuracy the following installation condi tions must be adhered to defined inlet and outlet pipe lengths defined flow cross section area fixe...

Page 11: ...ical fig 3 5 unit on side pipe length left fig 4 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...

Page 12: ...BN WH BK BU 4 1 3 2 OUT2 L L OUT1 Colours to DIN EN 60947 5 2 Pin 1 Ub Pin 3 Ub Pin 4 OUT1 Switching signal limit values for volumetric flow Switching signal quantity meter reached preset value Pulses...

Page 13: ...eset in 103 standard cubic metres values 9999 are displayed using the 103 exponential notation LED 5 green current medium temperature in C LED 7 yellow switching status of the corresponding output LED...

Page 14: ...M S M M M S M S M S M S M Nl min S S Nm3 h S 15s S Nm s 15s S Nm3 15s S Nm3 15s C 15s M M M M M M M S M S M S M S M S S M S M S M M M M Mode Enter Set Nm3 current meter reading in Nm3 Nm3 stored meter...

Page 15: ...tric flow or temperature DIn2 Configuration of the input Pin2 for counter reset EF Extended functions opening of menu level 2 HI LO Maximum minimum value memory for volumetric flow FOU1 Behaviour of o...

Page 16: ...aram eter flashes for 5 s After 5 s setting value is changed incrementally by pressing the button once or continuously by keeping the button pressed Numerical values are incremented continuously For r...

Page 17: ...alues For unlocking Press Mode Enter Set for 10 s uLoc is displayed When delivered unlocked Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operat ing mode wi...

Page 18: ...4 20 mA Select ASP and set the value at which the minimum value is provided Select AEP and set the value at which the maximum value is provided 9 3 Settings for consumed quantity monitoring 9 3 1 Sett...

Page 19: ...the maximum value 9 999 999 Nm the counter is reset to 0 9 3 5 Counter reset using an external signal Select OU2 and InD Select Din2 and set the reset signal HIGH reset for high signal LOW reset for l...

Page 20: ...as an effect on the volumetric flow value 9 5 2 Configuration of the standard display Select SELd and determine the standard measuring unit FLOW the current volumetric flow value in the standard unit...

Page 21: ...in 4 6 9 5 5 Setting of the standard pressure to which the measured and display values for volumetric flow refer Select rEF P and set the requested standard pressure Setting range 950 1050 hPa in step...

Page 22: ...t a reset After reset to factory setting the value of the memory is set at zero 9 7 Setting of the preset counter the pulse value ImPS The unit has 7 setting ranges LED Display Step increment Setting...

Page 23: ...all 4 digits are set As soon as the first digit flashes there are 3 options Briefly press Set 1 x The flashing digit increments 9 is followed by 0 1 2 etc 8 1 2 3 SET pressed 1 x 9 1 2 3 SET pressed...

Page 24: ...o the start value After this release Set briefly and start the setting again 10 Operation Correct operation and compliance with the measurement accuracy can only be ensured if the environmental condit...

Page 25: ...OUT1 SC2 Short circuit in OUT2 SC Short circuit in both outputs OL Measured value 120 of the final value of the measuring range UL Measured value 20 of the final value of the measuring range temperatu...

Page 26: ...P1 2 92 ImPS 0 001 ImPR YES OU1 Hno OU2 I SP2 FLOW 6 00 rP2 FLOW 5 92 SP2 TEMP 24 0 rP2 TEMP 23 8 ASP FLOW 0 00 AEP FLOW 15 00 ASP TEMP 0 0 AEP TEMP 60 0 DIn2 EDG FOU1 OFF FOU2 OFF dAP 0 6 rTo OFF diS...

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