ABB 4623 Скачать руководство пользователя | Manualshive

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3

2.1.3

Conductivity Cells – Fig. 2.3

Model 2278/305

Basic Type No.

Version

Constant (K)

Process

Connection

Type

Temperature

Compensation

Code Characters

1, 2

3, 4, 5

6

7

8

22

Electrolytic
conductivity
measuring
cells

0

2in. Tri-clover
Hygienic fitting

0

None

5

Pt100
resistance
thermometer

78/ Stainless steel

3

0.05

2

PREPARATION

Fig. 2.3 Checking the Conductivity Cell Code Number

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Содержание 4623

Страница 1: ...4600 Series Operating Instructions Models 4623 and 4628 Conductivity Transmitters To Meet United States Pharmacopœia USP 23 Regulations 4600 µS cm 25 C 0 50 A1 A2 4600 0 50 A1 A2 µS cm 25 C ...

Страница 2: ...onditions result in degraded process system performance leading to personal injury or death Therefore comply fully with all Warning and Caution notices Information in this manual is intended only to assist our customers in the efficient operation of our equipment Use of this manual for any other purpose is specifically prohibited and its contents are not to be reproduced in full or part without pr...

Страница 3: ...Contact Protection and Interference Suppression 9 4 3 Wall Pipe mounted Instrument Connections 10 4 4 Panel mounted Instrument Connections 11 4 5 Selecting the Mains Voltage 12 4 5 1 Wall Pipe mounted Instruments 12 4 5 2 Panel mounted Instruments 12 4 6 Conductivity Cell and Bulkhead Socket Connections 13 Section Page 5 CONTROLS AND DISPLAYS 14 5 1 Displays 14 5 2 Control Familiarisation 14 6 OPE...

Страница 4: ... a Pt100 resistance thermometer mounted in the measuring cell or alternatively using a separate temperature sensor Instrument operation and programming is via four tactile membrane keys located on the front panel Programmed functions are protected from unauthorised alteration by a five digit security code 2 1 Checking the Code Number 2 1 1 Wall Pipe mounted Instruments Fig 2 1 Wall Mounted Model 4...

Страница 5: ...ocess Connection Type Temperature Compensation Code Characters 1 2 3 4 5 6 7 8 22 Electrolytic conductivity measuring cells 0 2in Tri clover Hygienic fitting 0 None 5 Pt100 resistance thermometer 78 Stainless steel 3 0 05 2 PREPARATION Fig 2 3 Checking the Conductivity Cell Code Number ...

Страница 6: ...cted to the bulkhead socket Note Allow sufficient clearance for easy removal of cell for cleaning see Section 3 4 for overall dimensions of cells Conductivity Cell IP66 C Within Environmental Limits 55 C Max 20 C Min B Within Temperature Limits Maximum Distance 164 ft 50m cell constant 0 05 A Maximum Distance of Instrument to Cell Acid 6 Concentration C Acid Alkali Concentration Limits Alkali 8 Co...

Страница 7: ...on pipe Position plates over U bolts Secure transmitter to mounting plate Secure plates 1 2 3 4 160 6 3 250 9 84 69 2 72 Fixing Centres Allowance for Cable Bends 200 7 9 68 2 68 214 8 43 232 9 13 Fixing Centres 42 1 65 61 23 8 O D Vertical or Horizontal Post Dimensions in mm in 3 MECHANICAL INSTALLATION Fig 3 3 Overall Dimensions Fig 3 4 Wall Pipe mounting A Wall mounting B Pipe mounting ...

Страница 8: ...Refit the panel clamps to the case ensuring that the panel clamp anchors are located correctly in their slot Secure the instrument by tightening the panel clamp retaining screws Loosen the retaining screw on each panel clamp Remove the panel clamp and anchors from the instrument case 1 2 3 4 5 6 3 3 MECHANICAL INSTALLATION Fig 3 5 Overall Dimensions Caution The clamp must fit flat on the instrumen...

Страница 9: ...ll frosted appearance which must not be removed by polishing or abrasive cleaning Refit the outer electrode 3 4 Installing the Conductivity Cells Caution After cleaning and installing a conductivity cell ensure it remains filled with liquid and is not allowed to dry out 3 4 1 Bulkhead Socket Fig 3 7 3 4 2 Model 2278 Cell Dimensions Fig 3 8 Dimensions in mm 2 Fixing Holes 5mm dia 100 Clearance for ...

Страница 10: ...all Pipe mounted Instruments Fig 4 1 4 1 2 Panel mounted Instruments Fig 4 2 Earth Studs slide down Pull out slightly and slide off Remove protection cover Slacken captive screw 3 4 2 1 2 Remove nuts and protection cover Remove mains cover Mains Cover 1 2 4 ELECTRICAL CONNECTIONS Fig 4 1 Access to Terminals Wall Pipe mounted Instruments Fig 4 2 Access to Terminals Panel mounted Instruments ...

Страница 11: ... for the selected current retransmission range see Section 10 SPECIFICATION The retransmission output is isolated therefore the ve terminal must be connected to earth ground if connecting to the isolated input of another device 4 2 1 Relay Contact Protection and Interference Suppression Fig 4 3 If the relays are used to switch loads on and off the relay contacts can become eroded due to arcing Arc...

Страница 12: ...und must be connected to ensure safety to personnel reduction of the effects of RFI interference and correct operation of the power supply interference filter Caution The metal braid in the conductivity cell connecting cable must not be earthed grounded or allowed to touch earthed grounded components and must be cut back to the insulation at the conductivity cell end Note Metal cells isolated from...

Страница 13: ...Refer to Table 4 1 on page 10 for terminal descriptions 4 ELECTRICAL CONNECTIONS Warning The power supply earth ground must be connected to ensure safety to personnel reduction of the effects of RFI interference and correct operation of the power supply interference filter Connect the earth ground lead directly to the case earth ground stud and not to the E terminal Caution The metal braid in the ...

Страница 14: ...15 4 230 Remove cover see Fig 4 1 Slacken captive screws and remove protection covee Remove front panel screws Remove front panel Select the mains voltage required Remove cap and screw 230 230V 115V 1 2 3 4 5 3 4 ELECTRICAL CONNECTIONS Fig 4 6 Selecting the Mains Voltage Wall Pipe mounted Instruments Fig 4 7 Selecting the Mains Voltage Panel mounted Instruments Information Use a small flat bladed ...

Страница 15: ...own Green Yellow White Blue 0233 819 Cable 0233 811 Cable 4 ELECTRICAL CONNECTIONS Information Use only the recommended cables J 0233 811 cell electrodes J 0233 819 temperature compensator only Note Socket viewed from inside Fig 4 8 Conductivity Cell and Bulkhead Socket Connections ...

Страница 16: ...meter 3 Parameter 4 Page 1 Parameter 1 Parameter 2 Parameter 3 Page 2 Advance to next page For majority of parameters or B Moving Between Parameters C Adjusting and Storing a Parameter Value New value is automatically stored Parameter Value Adjust D Selecting and Storing a Parameter Choice Parameter X Y Z Select or New value is automatically stored or Parameter 1 Parameter 2 Parameter 3 Page X Par...

Страница 17: ...The instrument software adjusts the measured conductivity of the sample to the value it would be if the temperature of the sample was 25 C 77 F The upper display line shows the adjusted conductivity value in µS cm Alarm 1 Set Point The set point value and relay l e d action are programmable see Section 7 4 Set Up Alarms Page Alarm 2 Set Point The set point value and relay l e d action are programm...

Страница 18: ...il or Off Fail or Off Fail USP Alarm Offset 0 2 0 Cond or Temp U S P Set Up Retransmission Page Section 7 5 Page 20 SET UP RETRANS Set Up Retrans 1 RTX Type 4 20 RTX Span µS cm 1 0 0 0 0 20 0 10 0 20 0 10 Set Up Retrans 2 RTX Type 4 20 Cond RTX O P Temp 0 0 Test Retrans 0 0 RTX Zero µS cm 1 0 0 0 Cond RTX Span µS cm No Calibrate Yes No Yes x x x x x x x x x x x x x x x x x x x x x x x x x x x x x ...

Страница 19: ...ce to next parameter or press to advance to next page These two keys are used to advance to all subsequent parameters and pages If a parameter is changed it is automatically stored on operation of either key Cell Constant Enter the cell constant for the type of measuring cell in use see Section 2 1 3 Conductivity Cells Display Span Full Scale Set the full scale value required Temperature Units The...

Страница 20: ...e power down state i e the relay is de energized For High alarm operation the relay must be energized below the alarm set point For low alarm operation the relay must be energized above the alarm set point The alarm l e d s are illuminated in the alarm condition Select the required alarm 1 action from the following table The set point band is defined as the actual value of the set point plus or mi...

Страница 21: ...d protection The value set is deducted from the setpoint table value see table 7 1 Set between 0 00 and 0 50 in 0 01 increments Alarm 2 Set Point Displayed only if Alarm A2 Type is set to Cond or Temp Repeat as for Alarm 1 Set Point on previous page Alter Security Code Set the security code to a value between 00000 and 19999 Advance to Set up Retransmission Page 7 PROGRAMMING e r u t a r e p m e T...

Страница 22: ...stored on operation of either key Set Up Retransmission 1 Retransmission 1 Output Range Set the retransmission output current range for retransmission channel 1 Retransmission 1 Span Set the required span over which the retransmission output is to operate to between 10 and 100 of the display span see Section 7 3 Set Up Parameters Page Continued on next page SET UP RETRANS Set Up Retrans 1 RTX Type...

Страница 23: ...e display span see Section 7 3 Set Up Parameters Page Retransmission 2 Zero Set the zero point for the retransmission 2 output Test Retransmission Output The instrument automatically transmits a test signal of 0 25 50 75 or 100 of the retransmission range selected above The test signal selected is shown on the upper display Example for a selected range of 0 to 20mA and 50 retransmission test signa...

Страница 24: ...nt must be traceable with valid test certification 8 2 Preparation a Switch off the supply and disconnect the conductivity cell temperature compensator and current output from the instrument s terminal blocks see Fig 4 4 page 10 or Fig 4 5 page 11 b Connect the decade boxes to the appropriate terminals see Table 8 1 Ensure the earth on the conductivity decade box is connected to the case earth gro...

Страница 25: ...eter Calibrate Cell Span 1 Set the cell simulator to 10KΩ and allow the instrument display to stabilize Advance to next parameter Calibrate Cell Zero 2 Open circuit the cell simulator and allow the instrument display to stabilize Advance to next parameter Calibrate Cell Span 2 Set the cell simulator to 1kΩ and allow the instrument display to stabilize Advance to next parameter Continued on next pa...

Страница 26: ...fect the reading Advance to next parameter Adjust Retransmission 2 Zero available only on 4623 800 and 4628 800 instruments Set the milliammeter reading to 4mA Note The retransmission range selected in the Set Up Retransmission Page does not affect the reading Advance to next parameter Adjust Retransmission 2 Span available only on 4623 800 and 4628 800 instruments Set the milliammeter reading to ...

Страница 27: ...ity 9 SIMPLE FAULT FINDING Failure to respond to the input indicates a fault with the instrument which must be returned to the Company for repair Correct response but with incorrect readings usually indicates an electrical calibration problem Re calibrate the instrument as detailed in Section 8 3 b If the response in a is correct reconnect the conductivity cell cable and connect the resistance box...

Страница 28: ... 20mA programmable Output ranges Retransmission 1 Zero 0 fixed Span 10 to 100 of the display range Retransmission 2 optional Programmable Conductivity or Temperature Conductivity as per Retransmission 1 Temperature 10 to 150 C 14 to 302 F min span 20 C 36 F Accuracy 0 25 f s d Resolution 0 1 of f s d Max load resistance 750Ω 20mA max Serial communication RS422 RS485 optional Power Supply Voltage r...

Страница 29: ...ly according to the following expression G25 Gt Gupw 1 t 25 0 055 Where Gt conductivity at temperature t C Gupw ultra pure water conductivity at temperature t C impurity temperature coefficient 0 055 conductivity in µS cm of ultra pure water at 25 C The expression is simplified as follows G25 Gimp 1 t 25 0 055 Where Gimp impurity conductivity at temperature t C The above expression was solved in e...

Страница 30: ...28 NOTES ...

Страница 31: ...tion pH conductivity and dissolved oxygen transmitters and sensors ammonia nitrate phosphate silica sodium chloride fluoride dissolved oxygen and hydrazine analyzers Zirconia oxygen analyzers katharometers hydrogen purity and purge gas monitors thermal conductivity Customer Support ABBAutomation provides a comprehensive after sales service via a Worldwide Service Organization Contact one of the fo...

Страница 32: ...in without notice ABB 2001 Printed in UK 03 01 ABB Automation Ltd Oldends Lane Stonehouse Gloucestershire GL10 3TA UK Tel 44 0 1453 826 661 Fax 44 0 1453 827 856 ABB Automation Inc 125 E County Line Road Warminster PA 18974 USA Tel 1 215 674 6000 Fax 1 215 674 7183 ABB has Sales Customer Support expertise in over 100 countries worldwide www abb com ...

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