User’sManual
Yokogawa Electric Corporation
EJX SeriesBRAIN Communication Type
IM 01C25T03-01E
2nd Edition
Page 1: ...User s Manual Yokogawa Electric Corporation EJX Series BRAIN Communication Type IM 01C25T03 01E IM 01C25T03 01E 2nd Edition...
Page 2: ...2 Menu Tree 3 5 3 2 3 Setting Parameters 3 6 1 Tag No Setup 3 6 2 Calibration Range Setup 3 6 3 Damping Time Constant Setup 3 7 4 Output Mode and Integral Indicator Display Mode Setup 3 8 5 Output Sig...
Page 3: ...1 4 1 Checking for Problems 4 1 4 1 1 Identifying Problems with BT200 4 1 4 1 2 Checking with Integral Indicator 4 2 4 2 Alarms and Countermeasures 4 3 5 PARAMETER SUMMARY 5 1 APPENDIX 1 SAFETY INSTR...
Page 4: ...wa s written permission Yokogawa makes no warranty of any kind with regard to this manual including but not limited to implied warranty of merchantability and fitness for a particular purpose If any q...
Page 5: ...ribed in this manual If you require further assistance please contact the nearest Yokogawa office Care should be taken to prevent the build up of dust or other materials on the display glass and the n...
Page 6: ...Frans Neem indien u aanwijzingen op het gebied van explosiebeveiliging nodig hebt in uw eigen taal contact op met de dichtstbijzijnde vestiging van Yokogawa of met een vertegenwoordiger SF Kaikkien AT...
Page 7: ...rd Relaying terminals Distributor Control room Terminal board F0201 EPS SUPPLY PUL SE CHECK ALAR M Figure 2 1 Connecting the BT200 2 2 Communication Line Re quirements DPharp BT200 Cable resistance Rc...
Page 8: ...00 Operating Procedures 3 1 1 Key Layout and Screen Display Figure 3 1 1a shows the arrangement of the operating keys on the BT200 keypad and figure 3 1 1b shows the BT200 screen F0301 EPS LCD 21 char...
Page 9: ...ols The following symbols will appear in sequence one at a time at the cursor each time F1 CODE is pressed To enter characters next to these symbols press to move the cursor Entry l m Key in Sequence...
Page 10: ...ET HOME SET ADJ ESC MENU C BASIC SETUP D AUX SET 1 E AUX SET 2 G ALARM SET H AUTO SET I DISP SET HOME SET ADJ ESC MENU J ADJUST K TEST M DEVICE INFO P RECORD T CHARACTERIZR DATA DIAG PRNT ESC DATA DIA...
Page 11: ...on range upper and lower range values decimal point position damping time constant Operation mode normal reverse signal setup P 3 10 Reverses the direction for 4 to 20 mA DC output relative to input R...
Page 12: ...E I21 PRES RESO I30 ENGR UNIT I31 EASY EU SET I32 ENGR EXP I33 ENGR LRV I34 ENGR URV I35 ENGR POINT I40 BAR INDICATR I60 SELF CHECK J09 ADJ UNIT J10 ADJ PRES J11 P ZERO ADJ J12 P SPAN ADJ J15 P ZERO D...
Page 13: ...GAWA FI1 1AWA FI1 1aWA FI1 1a Set TAG NO and press the key SET C10 TAG NO YOKOGAWA FI1 1a _ CODE caps CLR ESC Example Set a Tag No to FI1 1a SET C10 TAG NO FIC 1a FEED NO OK DATA DIAG PRNT ESC This is...
Page 14: ...ange value does not cause the lower range value to change Thus changing the upper range value also changes the span Example 2 With present settings of 0 to 30 kPa set the upper range value to 10 kPa F...
Page 15: ...tup D10 LOW CUT D11 LOW CUT MODE Low cut mode can be used to stabilize the output signal near the zero point The low cut point can be set in a range from 0 to 20 the direct ratio correspond ing to the...
Page 16: ...g procedure a Display Selection I10 DISP OUT1 Select the variable for the parameter I10 DISP OUT1 to display on the integral indicator Example Change the integral indicator scale from of range to inpu...
Page 17: ...the 4 20 mA output signal of measured pressure or differential pressure These parameters allow the entry of the static pressure unit and scale to be displayed Note that the parameter D37 SP SELECT can...
Page 18: ...CPU failure occurs In case of a failure communication is disabled Standard specifications The burnout direction switch is set to HIGH If a failure occurs the transmitter outputs a 110 or higher signal...
Page 19: ...Output Status Setup when a Hardware Error Occurs D26 ERROR OUT This parameter allows the setting of the output status when a hardware error occurs The following selections are available a BURNOUT DIR...
Page 20: ...of 0 5 kPa applied FEED NO OK SET H10 AUTO P LRV 0 5000 kPa DATA DIAG PRNT ESC PARAM H10 AUTO P LRV 0 5000 kPa H11 AUTO P URV 30 500 kPa H20 AUTO SP LRV 0 0 MPa ESC SET H10 AUTO P LRV 0 kPa 0 F0329 E...
Page 21: ...or other target output value using an ammeter that accurately reads output currents Adjust output to the reference value obtained using other means Adjust for 0 output at input level of 0 If the inpu...
Page 22: ...rimming procedure by using J15 P ZERO DEV and J16 P SPAN DEV The full sensor trim is a two point adjustment and the lower point adjustment should always be performed before the upper point adjustment...
Page 23: ...wice Press the OK key Applied Pres Value Measured Pres Value Applied Pres Value Slope Error URV LRV 30 00 30 15 30 00 30 00 10 00 0 1 c Sensor Trim for Static Pressure J21 SP ZERO ADJ J22 SP SPAN ADJ...
Page 24: ...n 0 100 Perform the coordinate settings while the T10 S C ENABLE parameter is INHIBIT To apply the settings to the output set the T10 S C ENABLE parameter to ENABLE Note that the EJX rejects the activ...
Page 25: ...ption code AL This feature is used for a transistor output open collector of an on off signal according to the status of high and low alarm limits which are user configurable values as shown in 18 Pro...
Page 26: ...iaphragm seal high side to position of transmitter low side Transmitter L h 0 H EJX118A F0357 EPS h h L L H Transmitter Transmitter 0 EJX438A Note When the transmitter is positioned lower than the dia...
Page 27: ...atically every seven seconds In addition the display can be updated to the present data value at any time by pressing the DATA key For parameters associated with the display of measured data see chapt...
Page 28: ...an be stored When the 5th error has occurred it is stored in P10 The error stored in P16 will be deleted and then the error in P14 will be copied to P16 In this sequence the history of the most previo...
Page 29: ...NOTE If an error is detected by running self diagnos tics an error number is displayed on the integral indicator If there is more than one error the error number changes at three second intervals See...
Page 30: ...fied values or settings do not meet the conditions T0401 EPS Sensor problem 01 CT SENSOR ERR Capsule temperature sensor problem 01 C EEPROM ERR Capsule EEPROM problem Amplifier temperature sensor prob...
Page 31: ...mmH2O mmAq mmWG mmHg Torr kPa MPa mbar bar gf cm2 kgf cm2 inH2O inHg ftH2O psi atm Pa hPa C21 PRES LRV Lower range value W 32000 to 32000 within measurement range C22 PRES URV Upper range value W 320...
Page 32: ...ure alert mode W INHIBIT HI AL DETECT LO AL DETECT or HI LO AL DETECT G31 T HI AL VAL High side alert value of temperature W 50 to 130 G32 T LO AL VAL Low side alert value of temperature W 50 to 130 G...
Page 33: ...tics R See A60 K TEST Test parameters K10 OUTPUT X Test output setting W Within a range between D20 and D21 K40 DO TEST Test contact output W OFF or ON K50 TEST KEY1 Special maintenance parameter W K5...
Page 34: ...00 00 T25 Y2 Coordinate 2 of Y W 0 00 to 100 00 T26 X3 Coordinate 3 of X W 0 00 to 100 00 T27 Y3 Coordinate 3 of Y W 0 00 to 100 00 T28 X4 Coordinate 4 of X W 0 00 to 100 00 T29 Y4 Coordinate 4 of Y W...
Page 35: ...e verified by reading these parameters from the optional local display or by checking actual calibration of the transmitter The calibration of the transmitter must be performed after parameters are se...
Page 36: ...second of power on startup A1 2 8 Firmware Update In case firmware updates are required they will be performed at factory The replacement responsibilities are then in place The user will not be requir...
Page 37: ...e and explosion The protection must be effective under all conditions of the nominal opera tion and under single fault condition Verification The demonstration for each phase of the life cycle that th...
Page 38: ...le EJX Series BRAIN Communication Type Manual No IM 01C25T03 01E Edition Date Page Revised Item 1st Apr 2004 2st Oct 2004 3 19 New publication REVISION RECORD EPS 3 2 3 20 Add capillary fill fluid den...
