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WARRANTY 

All  Sigma  Controls,  Inc.  products  are  warranted  to  be  free  from 
defective  materials  and  workmanship  for  one  (1)  year  from  date 
of  shipment.    Sigma  reserves  the  right  to  repair  or  replace  at  its 
option any product found to be defective.  In no event shall Sigma 
Controls,  Inc.  be  liable  for  any  consequential,  incidental,  or 
special damages and the limit of its liability shall not exceed the 
purchase price of the supplied equipment. 

 
RETURN FOR REPAIR POLICY (WARRANTY/NON-
WARRANTY REPAIR) 
 

Return status can be determined upon factory inspection 
of returned equipment. 
A completed Return Authorization form must accompany 
all items returned for repair. 
Repairs will be evaluated as quickly as possible.  Cost for 
non-warranty repairs will be provided before repairs are 
initiated and repairs will be completed only after approval 
by customer. 

217 S. Fifth Street, Perkasie, PA 18944    215-257-3412 

Summary of Contents for MYRIAD QLC

Page 1: ...VISIT OUR WEBSITE SIGMACONTROLS COM MYRIAD QLC 4 CHANNEL MONITOR CONTROLLER INSTRUCTION MANUAL MYR QLC MANUAL 013114...

Page 2: ...Features WIRING 7 Dwg 04 143 2 Analog Input Analog Output Digital Input Digital Output PROGRAMMING AND INITIAL SETUP 8 Input Range Selection Terminal Block Detail Initial Setup Programming Overview Ke...

Page 3: ...ations of the 5 user data key push buttons Available in 2 styles of mounting DIN 4 x 4 nominal and wall mounted Nema 4X enclosures the Myriad QLC is suitable for installation in all industrial environ...

Page 4: ...Operating 0 65 C Storage 40 80 C R H 0 90 non condensing ENCLOSURE DIN ABS plastic 96 X 96 X 150MM FRONT PANEL Gasketed Nema 4X ACCESS Chassis boards remove from front of case TERMINAL STRIP 40 Plugga...

Page 5: ...cted together for distributed applications remote monitoring SCADA applications EXPANSION CARDS Significant expansion is possible via additional control boards and MV networking Consult factory for de...

Page 6: ...ce with all local state and national codes that apply Do not exceed the rated current of the D C power supply 100MA or the form C relay outputs 5A 240VAC resistive WARNING Hazardous voltages are prese...

Page 7: ...7...

Page 8: ...ollowing displays Combination Screen Shows all channel values in numerical format with channel number indicators Bargraph Screen Shows all four input values as vertical bar graphs with channel numbers...

Page 9: ...row buttons move cursor to next Press ENTER to access menu 1 In this screen user access is provided for SCALE Permits analog scaling of each analog input AOUT Permits analog scaling of each analog out...

Page 10: ...with domed end caps a strapping table must be created to allow the display to be linear with the resultant non linear input signal If the user required a non linear display scroll the cursor to OF PO...

Page 11: ...eys to change the amount of filtering applied to the input signal O is no filter and 10 is high filter Once the selection is made select NEXT and press ENTER to return to Menu 1 The scaling process is...

Page 12: ...e above steps After setting all four input channel parameters return to MENU 1 and select AOUT to program analog outputs for each channel Analog Outputs Using the buttons as described previously selec...

Page 13: ...will turn on their respective relay outputs i e channel 1 digital input on will turn on relay output 1 The relay may be set to energize or de energize by changing the selection in the highlighted item...

Page 14: ...to the screen scroll window Once the password has been changed make sure a record of the new password is retained Access to the programming menus requires a correct password Screen Scroll Selecting ON...

Page 15: ...s poor Remove power from the unit release the 2 rear mounting screws and slide the unit forward in its case approximately 1 inch On the left side of the circuit board is an adjustable potentiometer Wi...

Page 16: ...rent is present or the current exceeds 20MA consult the level instrument supplier If D C voltage is not present check the user supplied power supply or if using the Myriad supply measure across termin...

Page 17: ...rn the unit upside down to locate the range dip switches SW1 SW2 INPUT 4 DESCRIPTION 0 0 Ain1 range 5V 0 1 Ain1 range 10V 1 0 Ain1 range 20mA 1 1 Not Used SW3 SW4 DESCRIPTION 0 0 AIn2 range 5V 0 1 AIn...

Page 18: ...d the limit of its liability shall not exceed the purchase price of the supplied equipment RETURN FOR REPAIR POLICY WARRANTY NON WARRANTY REPAIR Return status can be determined upon factory inspection...

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