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Metacentre DCO, Technical Manual

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Metacentre DCO Technical Manual Download Page 25

Technical Manual 

 

 

Page 24

 

10.0 Wiring Diagram 
   
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

LED 1 

RS485 Communications 

LED 1b  Power Supply, DC OK 
LED 2 

Short Circuit Indicator 

RT 1 

Display Contrast Adjustment 

 

FH1

T

1

.6

A

FH2

X10

T

1

.6

A

PSU

IEC
20 x  5mm

LED1b

N

L

E

0VDC

+VDC

X09

X08

R L1

RL2

C01

C018

RT1

X07

X06

X05

X04

X01

LCD

Ai1

+C

C

om

p

 1

C

o

m

p 

2

C

o

m

p 

3

Di

GND

LOAD

C

om

p

 4

R1

R2

115-230Vac

60VA

50/60Hz

Di

GND

LOAD

Di

GND

LOAD

Di

GND

LOAD

D 4

D 3

D2

D1

1

2

3

4

1

2

1

2

1

2

3

1

2

3

1

2

3

1

2

3

1

2

D1

+C

D2

D i2

+C

+L1 (A)

R

S

48

5

-L2 (B)

2

1

2

1

2

1

E

L

N

4-20mA

X11

X12

X13

P2

240V  '

CE

'

115V  '

UL

'

4A

LED2

LED1

Di1

Summary of Contents for DCO

Page 1: ...MANY0913B GB Metacentre DCO Technical Manual 28 02 2016 TM DCO Duty Change Over bar...

Page 2: ...al Features and Functions 6 0 Menus and Navigation 6 1 To Access a Menu 6 2 Menu Item Adjustment 6 3 To Exit a Menu 6 4 Menu map 7 0 Operation 7 1 User Interface 7 2 Compressor Identification 7 3 Comp...

Page 3: ...sent in the electrical circuits and extreme caution must be exercised whenever it is necessary to carry out any work on the unit Do not open access panels or touch electrical components while voltage...

Page 4: ...mpressor Connections and Control 1 2 3 1 2 3 T M DCO Each air compressor in the system can be integrated with the Metacentre DCO using an interface module supplied with DCO Kit that is designed to ena...

Page 5: ...the urgency or time limit and the acceptable deviation of system pressure the Tolerance from the normal control limits PH PL PT a b c The same method is implemented in reverse above the High Pressure...

Page 6: ...ion capacity If an increase in the tolerance band is insufficient the DCO s dynamic reaction response can be influenced by increasing the Damping factor DA reducing tendency to over react The Damping...

Page 7: ...or non proffered compressor s Rotation Each time the set rotation interval elapses a sequence rotation occurs and the sequence assignment for each compressor is re arranged The compressor that was ass...

Page 8: ...s only required as an emergency backup compressor number 4 it may be desirable to ensure the preferred compressor is always utilised first and the non preferred compressor utilised last in any sequenc...

Page 9: ...ystem pressure sensor For use in Pollution Degree 2 Environment Type 12 12 K or 13 cable glands conduit or other cable entry fittings must be used to maintain Type 12 rating of the unit Before opening...

Page 10: ...h connection to the unit s earth as illustrated must be implemented The AWG size of the earth connection must be the same as the incoming supply wires The applied torque for fixing must be at least 1...

Page 11: ...sing an mi PCB the signal wires must be connected to the DCO terminals dedicated for the assigned compressor reference number 3 2 1 8 7 4 5 6 R1 35mm DIN 76 34 28 The mi PCB is a 35mm DIN rail mountab...

Page 12: ...essor as ready and available for utilisation as required regardless of actual compressor status 4 6 2 Option B Alarm Metacentre DCO menu 3 Set the Alarm Input Option for the compressor to 0 1 8 7 For...

Page 13: ...he compressor to start and run within 30 seconds of a Load command is sufficient to assume the compressor is not available due to being manually stopped or in a shutdown Alarm state Dependant on the c...

Page 14: ...contacts of which can be used to regulate the compressor in accordance with Metacentre DCO pressure control Ensure the compressor is equipped with independent excess pressure protection The mi PCB co...

Page 15: ...Pressure switch settings near or below the Metacentre DCO pressure settings will disrupt successful pressure control 4 7 3 3 Wire Pressure Switch For an air compressor fitted with a 3 wire electro me...

Page 16: ...ta communications and other low voltage signals can be subject to electrical interference This potential can result in intermittent malfunction or anomaly that is difficult to diagnose To avoid this p...

Page 17: ...naccurate check the type and range of the sensor and carry out the pressure sensor commissioning and calibration procedure Menus and Navigation Menu Items 4 Po Sensor Offset Calibration 4 Pr Sensor Ra...

Page 18: ...will be displayed If the access code is not recognised the display will return to normal operation 6 2 Menu Item Adjustment When in menu mode the upper display will show the menu number followed by t...

Page 19: ...essure band 1 HA High Pressure Alarm High pressure Alarm level This function remains active at all times Set just below system pressure relief value s and below the maximum system pressure rating of a...

Page 20: ...ndition is true The relay contacts will open circuit during a loss or disruption to the DCO power supply regardless of setting 4 r2 Auxiliary Output Relay 2 Function Determines the function of Relay O...

Page 21: ...ge to 15 0bar Note The range value equates to the maximum value not the scope of the sensor Execute the calibration procedure 2 Calibration Procedure a Offset Expose the sensor to atmosphere and adjus...

Page 22: ...C3 C4 Compressor sequence assignment is indicated by letters A Duty B First Standby C Second Standby D Third Standby The first letter in the sequence is the duty assignment for compressor 1 example C1...

Page 23: ...r loss occurred The DCO will not automatically restart if the DCO was in a stopped state when the power disruption or loss occurred 7 10 Failure Mode If the DCO experiences a disruption to normal cont...

Page 24: ...Data Dimensions 253mm x 160mm x 90mm 10 x 6 3 x 3 6 Weight 2 7kg 6lb Mounting wall 2 x screw fixings Enclosure IP54 NEMA 12 UL Type 12 Supply 115 to 230Vac 10 50 60Hz Power 60VA Temperature 0 C to 46...

Page 25: ...2 X10 T1 6A PSU IEC 20 x 5mm LED1b N L E 0VDC VDC X09 X08 RL1 RL2 C01 C018 RT1 X07 X06 X05 X04 X01 LCD Ai1 C Comp 1 Comp 2 Comp 3 Di GND LOAD Comp 4 R1 R2 115 230Vac 60VA 50 60Hz Di GND LOAD Di GND LO...

Page 26: ...oad GND Di Load GND Di Load 0VDC 24V DC D3 0V DC 24V DC D2 0VDC 24V DC D1 Comp 1 1 mi PCB Comp 2 Comp 3 Comp 4 24V DC A i1 2 mi PCB 3 mi P CB 4 mi PCB 115 230Vac 60VA 50 60Hz E L N 1 2 3 4 1 2 3 1 2 3...

Page 27: ...Technical Manual Page 26...

Page 28: ...quire further technical assistance please contact your local dealer Stamp with name and address of local dealer Manufacturers Identification Compressor Machine Controls NV Industriepark De Bruwaan 37B...

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