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SECTION 1 INTRODUCTION

1-1 General  Description ................................... 1

1-2 Typical Application ..................................... 1

1-3 Principles of Operation ............................... 1

1-4 Specifications .............................................. 2

Full Size Panel Cutout Template ..................... 4

SECTION 2 INSTALLATION

2-1  Receipt of Equipment ................................ 5

2-2  Return Shipment ....................................... 5

2-3  Panel Mounting ......................................... 5

2-4  Electrical Connections ............................... 5

2-5  Wiring Connections and Diagrams ........... 5

SECTION 3 OPERATION

3-1 How to Program .......................................... 6

3-2 Frequently Asked Questions About

       Setting Up The Unit .................................. 7

3-3  Setup Procedure For The Unit

SETTING

  PRESET A

..................................... 7

SETTING

  PRESET B

..................................... 8

MENU ITEM 1   

DEV TYP

............................. 8

MENU ITEM 2   

LOCKOUT

........................... 10

MENU ITEM 3  

OUTCARD

............................ 11

MENU ITEM 4   

ALG  OUT

............................ 11

MENU ITEM 4 

  OUTFREQ

........................... 12

MENU ITEM 6 

  RELAY

................................. 13

3-4 Run Mode

3-4.1 The Display .............................................. 13

3-4.2 Reseting (Clearing) the Totalizer............ 13

3-4.3 Locking the Unit ...................................... 14

3-4.4 Operation ................................................. 14

3-5 Internal Operation

Digital Inputs and Computations .................... 15

SECTION 4  INPUTS

4-1 Digital Pulse Inputs.................................... 15

4-1.1 Input 3A ................................................... 16

4-1.2 Input 3B ................................................... 16

4-1.3 Reset Input ............................................... 16

4-2 DC Power InputS ........................................ 16

4-3 AC Power Inputs ......................................... 16

SECTION 5  OUTPUTS

5-1 Control  Outputs ......................................... 17

5-1.1 SPDT Relay Version ................................ 17

5-1.2 Open Collector Version ............................ 17

5-2 Scaled Pulse Output ................................... 17

5-3 Optional Analog Output ............................. 18

5-4 Optional RS232 / RS422

Serial Communications .................................... 18

SECTION 6 TROUBLE SHOOTING  AND

MAINTENANCE GUIDE

6-1  Warning Messages ..................................... 18

6-1.1 RFFFFFFF......................................................... 18

6-1.2  LOCK ON ................................................ 18

6-2  Troubleshooting ......................................... 18

6-2.1 General ............................................................... 18

6-2.2 Problems ................................................... 19

6-3 Removing the Case ..................................... 19

6-3.1 Input Card Modification .......................... 20

6-3.2 Serial Communications

Interface Installation ........................................ 20

6-4 Maintenance................................................ 20

SECTION 7 CALCULATING THE K FACTORS

7-1 General ........................................................ 20

7-1.1  What is a K Factor? ................................ 20

7-2 Calculating the K Factors. ......................... 20

7-2.1 Calculating the K Factor for

Digital Pulse Inputs .......................................... 21

7-2.2 Digital K Factor Formulas ...................... 21

SECTION 8 SERIAL COMMUNICATIONS

8-0 Outcard RS232/RS422

Serial/Strobe Interface ...................................... 22

8-1 Unit Code .................................................... 22

8-2 Baud Rate.................................................... 22

8-3 Parity ........................................................... 22

8-4 RS232 Electrical Requirements ................. 22

8-5 RS232 Card Wiring..................................... 23

8-5.1 Wiring Diagram RS232 / Strobe ............. 23

8-5.2  RS232 Wiring Notes ............................... 23

8-6 RS422 Electrical Requirements ................. 23

8-7 RS422 Card Wiring..................................... 24

8-7.1 Wiring Diagram RS422 / Strobe ............. 24

8-7.2 RS422 Wiring Notes ................................ 24

8-8 Strobe Input Electrical Requirements ....... 24

8-8.1 Strobe Input Levels ................................. 24

8-9 Strobe Wiring .............................................. 25

8-9.1 Strobe Wiring (RS232)............................. 25

8-9.2 Strobe Wiring (RS422)............................. 25

8-10 Serial Interface Operation ....................... 25

8-10.1 Serial Communications Timing ............ 26

8-10.2 RS232/RS422

Serial Input Codes ............................................ 26

8-10.3 RS232/RS422

Serial Input Examples ...................................... 26

8-11 Strobe Address Operation ........................ 27

8-11.1 Strobe Input Codes ................................ 27

CONCLUSION ........................................................... 27

DECODING PART NUMBER ................................... 27

WARRANTY ............................................................... 27

WORKSHEET.............................................................28

PROGRAMMING FLOW CHART.............................. 29

TABLE OF CONTENTS

Summary of Contents for KEPtrol F/C

Page 1: ...arate K Factors for A B Inputs Set Point Alarms NEMA 4X IP65 Front Panel Application The unit is normally used to measure the net flow of boiler fuel The display may be toggled between net rate and ne...

Page 2: ...is used incorrectly Please note operating instructions provided in this manual The instrument must be installed operated and maintained by personnel who have been properly trained Personnel must read...

Page 3: ...ION 6 TROUBLE SHOOTING AND MAINTENANCE GUIDE 6 1 Warning Messages 18 6 1 1 RFFFFFFF 18 6 1 2 LOCK ON 18 6 2 Troubleshooting 18 6 2 1 General 18 6 2 2 Problems 19 6 3 Removing the Case 19 6 3 1 Input C...

Page 4: ...THIS PAGE IS BLANK...

Page 5: ...can be programmed to accept almost any number of pulses per unit of measurement by using the proper K Factors for the A and B inputs It can sample from 2 to 24 seconds maximum and auto range up to 6 d...

Page 6: ...alues and also decide if the analog signal will correspond to the ratemeter or totalizer The output for values below the low setting will be 4 mA 0 mA Compliance voltage 3 to 24 VDC The output for val...

Page 7: ...respect to Terminal 12 Scaled Pulse Output Terminal 2 NPN Open Collector Sinks max 100mA from a maximum of 30 VDC to a maximum 1 VDC Analog output 4 20 mA or 0 20 mA Sinking NPN transistor Open Collec...

Page 8: ...23 12345678901234567890123456789012123 12345678901234567890123456789012123 12345678901234567890123456789012123 12345678901234567890123456789012123 12345678901234567890123456789012123 12345678901234567...

Page 9: ...rews firmly to attach the counter bezel to the panel 2 4 Electrical Connections Reference Figures 2 1 to 2 3 All connections are completed at terminal blocks located at the rear of the case Make sure...

Page 10: ...meters is accomplished through the routine described for DEV TYP The following is the sequence for entering a Preset quantity 1 Depress the PRE A A button once The display will read PRESET After a one...

Page 11: ...D or ALG OUT sections of the menu still have to be set up A No there are default settings from the factory already in the unit No setup of these menu items is necessary for normal operation Q If CLR i...

Page 12: ...t existing A K FACTOR 1 2 D 0 5 6 12 056 Flashes Sample K Factor or enter calculated value from notes or worksheet ENT K FACT B We are still in the Ratemeter portion of the unit K FACT B flashes then...

Page 13: ...NT Last count unit now in Store new SIG FIG Run Mode The Ratemeter portion of The Unit is now setup The next thing to do is to set up the counter portion of the unit This requires going back into the...

Page 14: ...of The Unit is now set up and the unit is ready to run If you would like to a lockout the unit to prevent unwanted changes b setup serial communications c setup analog output Access the menu and refe...

Page 15: ...ne stop bit and the parity makes up the standard ten bit transmission character For more details see Section 8 PRESS DISPLAY D DEV TYP Menu Button D LOCKOUT D OUTCARD ENT UNIT The Unit ID Number ident...

Page 16: ...ET HIGH flashes then shows the 20 mA Setpoint value CLR 0 Flashes Clears out existing High Setpoint value 6 7 5 9 D 5 6759 5 Flashes Sample High Setpoint or enter value from notes or worksheet Press D...

Page 17: ...o the totalizer The range is 1 to 99 seconds Entering 00 for this value latches the relay until the unit is reset 3 3 Setup Procedure For The Unit continued 3 4 Run Mode 3 4 1 The Display In the Run M...

Page 18: ...ges in case it is forgotten The Lock toggles back and forth from LOCK ON to LOCK OFF each time the code sequence is entered The last four digits pressed while in the Run mode are the ones that the uni...

Page 19: ...WITCH SETTINGS SW1 SW2 SW3 SW4 Conditioning ON ON 0 40 Hz min 12 5 msec on off ON OFF 0 400 Hz min 1 25 msec on off OFF OFF 0 9980 Hz min 50 1 usec on off OFF OFF needs sourcing input drive input high...

Page 20: ...a description of what the reset signal does refer to Section 3 4 2 Note The reset input will not be changed to a sourcing type of input even if the dip switch is set for pull up or is changed to the...

Page 21: ...1 above The Open Collector outputs are available on units with relay outputs but please observe the following precautions Note When relays are used 10 VDC is provided at the transistor outputs throug...

Page 22: ...00 2400 4800 or 9600 as well as choice of odd even space or mark parity can be selected by keypad control Further information and more details are provided in Section 8 at the end of this manual Figur...

Page 23: ...lems Symptom Unit not totalizing Possible Cause 1 Incorrect programming Test Procedure Check for programming errors review manual For Example if a K Factor is too large or at zero it may take some tim...

Page 24: ...cover of manual SECTION 7 CALCULATING THE K FACTORS 7 1 General The key to accurate measurement with The Unit is correct scaling The electronics of the unit have been designed for stability and repeat...

Page 25: ...2046 ft2 to m2 0 0929 l to ft3 0 0353 ft3 to m3 0 02832 l to gal 0 2642 ft3 to gal 7 4805 m to ft 3 2808 gal to l 3 7854 m2 to ft2 10 7639 gal to m3 0 00379 m3 to ft3 35 3147 gal to ft3 0 1337 m3 to g...

Page 26: ...setup mode see Section 3 3 Menu Item 3 and select the desired baud rate that is compatible with the remote terminal 8 3 Parity Parity is a bit of information that is inserted before the stop bit and i...

Page 27: ...nals 8 6 RS422 Electrical Requirements The input of The Unit follows the standard EIA high impedance minimum of 12 K Ohms When the 422 A input is more positive than the 422 B input by 0 2 V to 6 V a 1...

Page 28: ...uest To Send Pins 9 27 Clear To Send Jumped internally to echo back signals b Pins 11 29 Data Set Ready Pins 13 31 Received Line Signal Detector Pins 12 30 Data Terminal Ready Jumped internally to ech...

Page 29: ...ta or set a new value See Section 8 10 2 RS232 RS422 Serial Input Codes Up to 80 characters of data may be linked together and transmitted to The Unit as long as there is a space between the different...

Page 30: ...number KC Will transmit rate A K Factor KC S XXX Will load Rate A K Factor number KD Will transmit rate B K Factor KD S XXX Will load Rate B K Factor number PA Will transmit Preset A value PA S XXX Wi...

Page 31: ...cts of operation of The Unit It is written to cover most anticipated problems and misunderstandings If some questions still arise or you feel some improvements can be made to this manual please feel f...

Page 32: ...LOW 4 mA _ _ _ _ _ _ _ _ SET HIGH 20 mA _ _ _ _ _ _ _ _ OUTFREQ 200 2000 10 RELAYS If applicable Relay Open Collector A TOTAL A NET R A RATE DURation of A 0 0 9 9 _ _ B TOTAL B NET R B RATE DURation...

Page 33: ...KEPtrol F C Programming Flowchart Page 29...

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