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GARDNER DENVER 

Model XMX Demand Expander 

 

Page 7 

 

©Copyright 2005-2013 

 

Gardner Denver Corporation 

Version 4.10

 

 

 

 

 

  

 

 

 

 

 

 

 

Overview Screen 

 

Navigating through the LC Display 

The  Allen  Bradley  MicroLogix  controller  has  a  liquid  crystal  display  that  allows  values  to  be 

viewed and set points to be entered by the operator.   There are three buttons associated with 

the display. 

 

 

ESC – 

The ESC button will return the screen to the main screen.  If held for more than three seconds, 

the  ESC  key  will  return  the  screen  to  the  processor  information  menu.    If  this  is  inadvertently 

done, use the menu to select USER DISPL.  The main screen indicating the P4 pressure and 

valve position will be displayed. 

 

CURSER –  

The  diamond  shaped  curser  control  button  in  the  middle  will  be  used  to  advance  numerical 

values up or down as desired.  When the set point screen is displayed, for example, the curser 

up  arrow will increase the set point and the curser down arrow will decrease the pressure set 

point. 

 

OK –  

The  OK  button  accepts  the  current  value  displayed  on  the  input  screens  and  advances  the 

screen to the next in the sequence. 

Setting the Pressure Set Point 

 

As a stand-alone controller, the set point is entered through the LC display by pressing the OK 

button as described above.  The set point entry screen will appear as follows: 

 

REMOTE

XMX DEM EXP

P4 PRESS = 85

VALVE % = 92

Содержание XMX Series

Страница 1: ...XMX Series Version 4 10 Demand Expander INSTALLATION INSTRUCTION MAINTENANCE MANUAL Gardner Denver Inc 1800 Gardner Expressway Quincy IL 62305 217 222 5400...

Страница 2: ...lators 5 Electronic Controller 6 P3 Storage Pressure 6 P4 System Pressure 6 Valve Control 6 Navigating through the LC Display 7 ESC 7 CURSER 7 OK 7 Setting the Pressure Set Point 7 PID Tuning 8 Propor...

Страница 3: ...n the supply side in the air receivers Eliminates artificial demand by lowering the flow through all leaks and unregulated points of use E Maintains a constant system pressure thus improving the quali...

Страница 4: ...ves Once pressure has been applied and prior to applying power slowly open valve V1 The control valve is normally opened Slowly open valve V2 allowing air to flow from supply to demand side without co...

Страница 5: ...eters need to be entered into the controller The following steps are necessary to achieve the above Setting the Regulators There is an air pressure regulator mounted and pre piped on the assembly It i...

Страница 6: ...e Terminals A1 and A1 Used only when connected by Ethernet to the ESP 20 20 Series 1000 controller and provides the storage pressure upstream of the Demand Expander to the master controller This is no...

Страница 7: ...menu to select USER DISPL The main screen indicating the P4 pressure and valve position will be displayed CURSER The diamond shaped curser control button in the middle will be used to advance numerica...

Страница 8: ...llating or not maintaining set point this value can be adjusted up or down by using the curser key Generally this will be moved lower if the valve control is erratic Proportional Set Point Screen Inte...

Страница 9: ...controller has an optional software routine that will provide forward pressure control with overriding back pressure protection The Demand Expander must be order with a normally closed valve Both P3 a...

Страница 10: ...e allowable on the high pressure side of the Demand Expander Press the OK button to advance to the next screen Downstream Set Point Screen The same method is used on the next screen to set the control...

Страница 11: ...made on the terminal strip in the Series 1000 controller as follows Connect the P3 Pressure Transmitter to terminals A1 and A1 in the Series 1000 controller Connect the P4 Pressure Transmitter to term...

Страница 12: ...t capability to properly setup a demand expander A real time trend appears on the Trending Page to assist with this tuning indicating the supply pressure which will be responding to the compressor con...

Страница 13: ...n be useful in processes with long time constants such as temperature control Too much derivative can make loops unstable Use with caution Expander Alarm Below Setpoint P4 is an offset subtracted from...

Страница 14: ...t point control Periodically the regulator settings should be checked for their accuracy Refer to section 3 0 A for proper setpoints and adjustments Should the valve require removal for replacement or...

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Страница 24: ...I P MODULE VRC...

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Страница 26: ...VRC I P MODULE...

Страница 27: ...VRC...

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Страница 29: ...VRC...

Страница 30: ...VRC VRC VRC...

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Страница 33: ...d proposed manner Gardner Denver does not warrant design details nor specific components requested by the customer and incorporated on the final design Any OEM equipment that does not perform to publi...

Страница 34: ...Gardner Denver Compressor Division ESP Series 1000 Controller Gardner Denver Inc 1800 Gardner Expressway Quincy IL 62305 217 222 5400...

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