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CRANE Co. 

280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 

 

 

www.avidcontrols.com

 

 

01/05/2018 

             TECH-537/ D.W.O. 23142 

   Page 1 of 21 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

Controls

 

 

EaziCal II -  Intrinsically Safe Valve Positioner 

 

OPERATING MANUAL 

 

 

IOM:     

Tech-537

 

Revision:  

-

 

Prepared By: 
Peter Keating 

Date:   
10/25/2017
 

Drafting Work Order: 23142  ECN: - 

Reviewed By:   
Chris Irwin 

Date: 
1/5/2018 

Approved By:  
 Jason Moorehead 

Date: 
1/5/2018 

This IOM contains confidential information and is issued in confidence on the condition that it be returned on demand and not be copied, 
reproduced, disclosed to others or used in manufacture of the subject matter thereof without the written consent of Crane Co. 

Summary of Contents for EaziCal II

Page 1: ...OM Tech 537 Revision Prepared By Peter Keating Date 10 25 2017 Drafting Work Order 23142 ECN Reviewed By Chris Irwin Date 1 5 2018 Approved By Jason Moorehead Date 1 5 2018 This IOM contains confident...

Page 2: ...4 7650 FAX 201 794 0913 www avidcontrols com 01 05 2018 TECH 537 D W O 23142 Page 2 of 21 Revision History Revision 01 05 2018 Initial release Locations USA Phone 201 794 7650 Europe Phone 011 44 189...

Page 3: ...TECH 537 D W O 23142 Page 3 of 21 Table of Contents 1 Introduction 4 1 1 Product Certification 4 1 2 Warnings 4 1 3 Description 5 1 4 Principles of Operation 5 1 5 Special Features 6 2 Order Guide 7 3...

Page 4: ...y be equipped with either two 3 wire switches or two 2 wire inductive sensors 1 2 Warnings WARNING The aluminum housing Model EaziCal II Ex ia is at potential risk of ignition by impact or friction th...

Page 5: ...ner comes standard with 4 20mA feedback transmitter In addition there are options for feedback limit switches Mechanical proximity inductive proximity type 1 4 Principles of Operation The EaziCal II u...

Page 6: ...Gain Zero and Span positions o LCD displays loop current valve position Integrated Transmitter The transmitter operates from the same sensor input as the main unit but is powered by a separate loop It...

Page 7: ...itches 203 2 x P F NJ2 V3 N 210 2 x IFM IS5026 Non Hazardous ONLY No Approval 211 2 x IFM IS5001 Non Hazardous ONLY No Approval 216 2 x Gold Plate Mechanical SPDT 257 2 x P F NBB2 V3 E2 3G 3D Non Haza...

Page 8: ...quipment This symbol identifies information about operating the equipment in a particular manner that may damage it or result in a system failure Failure to heed this warning can lead to total failure...

Page 9: ...to the actuator inlet port that acts against the spring Increasing signal causes pressure to increase in Outlet Port 1 of the positioner Double Acting Actuator Double Return For double acting actuato...

Page 10: ...Transmitter Function is being automatically calibrated during this procedure Time for the first move in calibration will be set at a maximum of 30 seconds for REG CAL and all subsequent time outs are...

Page 11: ...A Split Range High calibration refers to the input current value that drives the valve into the Span position The Transmitter Function is being automatically calibrated during this procedure First fol...

Page 12: ...ied when closing the valve The LCD shows FWGN XX press the CAL Key again and the LCD shows RVGN XX RVGN xx changes can now be made Pressing the DOWN Key decreases the gain Pressing the UP Key increase...

Page 13: ...or TX FT HI TX FT LO or TX FT HI can now be selected Pressing the DOWN or UP Key toggles this setting 4 4 8 Calibration Timeout REG CAL or LONG CAL Time for the first move in calibration will be set a...

Page 14: ...y Default Settings Press SEL Key until the LCD scrolls Restore Factory Default Press Down arrow until LCD reads Hold Key Press and hold Key LCD will scroll Factory Default Success Factory default sett...

Page 15: ...r please ensure that the process is safe to do so and that all hands are kept away from the moving shaft cams Stroke the actuator from one end of travel to the other several times to check the switch...

Page 16: ...s com 01 05 2018 TECH 537 D W O 23142 Page 16 of 21 Wiring Diagrams Figure 6 No Switch option Figure 7 SPDT mechanical switches Figure 8 SPDT T Switch proximity switch Figure 9 Namur Inductive proximi...

Page 17: ...igh Flow please contact the factory Important The positioner s onboard filter is not a substitute for normal instrument air preparation Supply air to the positioner should conform to ISA Standard S7 3...

Page 18: ...MIDLAND AVENUE STE 258 SADDLE BROOK NJ 07663 TEL 201 794 7650 FAX 201 794 0913 www avidcontrols com 01 05 2018 TECH 537 D W O 23142 Page 18 of 21 7 Appendix Appendix A Intrinsically Safe wiring Contr...

Page 19: ...reforming an Auto Calibration and within 2 minutes the LCD displays UNABLE TO CLOSE The air supply is not connected or turned on CURRENT OUT OF RANGE Input current set too high for Low current Calibra...

Page 20: ...CRANE Co 280N MIDLAND AVENUE STE 258 SADDLE BROOK NJ 07663 TEL 201 794 7650 FAX 201 794 0913 www avidcontrols com 01 05 2018 TECH 537 D W O 23142 Page 20 of 21 Appendix C Dimensions...

Page 21: ...OFF PRESS AND RELEASE SEL UNTIL DR ENABL OR DR DISAB SHOWS IN DISPLAY PRESS OR TO ENABLE DISABLE DROP OFF ZERO ADJUST PRESS AND RELEASE SEL UNTIL ZERO SHOWS IN DISPLAY PRESS OR TO ADJUST THESE VALUES...

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