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ABB 4630, Operating Instructions Manual

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21

Redox (ORP)

SECURITY CODE

0 0 0 0 0

Press to advance
to next parameter

Press to advance
to next page

SECURITY CODE

0 0 0 0 0

or

2 5 0

Alarm 1 Setpoint

Alarm 2 Setpoint

5 0 0

WASH IN PROCESS

5 0 0

–

6

OPERATION

6.3

Operation – Redox (ORP) Measurement Mode

Operation in the Redox measurement mode comprises an operating page only. The 

Operating Page 

is a general use page in which

parameters can be viewed but not altered. To alter or program a parameter refer to the programming pages in Section 7.

6.3.1

Operating Page

Measured mV
The e.m.f. of the probe is displayed.

If the Water Wash cycle is selected (models 4631 or 4636 only), an alternative message,

WASH

 

IN

 

PROCESS

, is displayed. The Alarm 1 status and the retransmission value are

held in their pre-cycle condition for the duration of the wash cycle.

These two keys are used to advance to all subsequent parameters and pages.

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 programmable – see Section 7.4, 

Set Up

Alarms Page

.

✶

Note. This display is bypassed if the 

Water Wash

 cycle is selected.

Advance to 

Access to Secure Parameters

.

Summary of Contents for 4630

Page 1: ...pH Redox ORP Analyzers Models 4630 4635 incorporating Water Wash Versions 4631 4636 Operating Instructions IM 4600 PH_12 ...

Page 2: ...l conditions 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...

Page 3: ...Instruments 11 4 5 2 Panel mounted Instruments 11 5 CONTROLS AND DISPLAYS 12 5 1 Displays 12 5 2 Controls Familiarization 12 6 OPERATION 13 6 1 Instrument Start up 13 6 2 Operation pH Measurement Mode 13 6 2 1 Operating Page 14 6 2 2 Single Point pH Calibration 16 6 2 3 Two point pH Calibration Automatic Mode 17 6 2 4 Two point pH Calibration Manual Mode 19 6 3 Operation Redox ORP Measurement Mode...

Page 4: ...libration after initial standardization The 4630 31 models are wall or pipe mounted instruments and the 4635 36 models are panel mounted DIN sized instruments All instruments have a single programmable pH input channel and a single temperature input channel When making temperature compensated measurements the sample temperature is sensed by a Pt100 resistance thermometer which can be mounted in th...

Page 5: ...to Electrode 100m 3 MECHANICAL INSTALLATION Fig 3 1 Siting Requirements 3 1 Siting Requirements Caution Mount in a location free from excessive vibration Mount away from harmful vapours and or dripping fluids Information It is preferable to mount the instrument at eye level allowing an unrestricted view of the front panel displays and controls ...

Page 6: ...ixing centres see Fig 3 2 Drill suitable holes Secure instrument to wall using suitable fixings 1 2 3 Position U bolts on pipe Position plates over U bolts Secure transmitter to mounting plate Secure plates 1 2 3 4 A Wall mounting B Pipe mounting 3 MECHANICAL INSTALLATION Fig 3 2 Overall Dimensions Fig 3 3 Wall Pipe mounting 3 2 Mounting 3 2 1 Wall Pipe mounted Instruments Figs 3 2 and 3 3 ...

Page 7: ...mp 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 4 5 6 1 3 2 3 3 MECHANICAL INSTALLATION Fig 3 4 Overall Dimensions Caution The clamp must fit flat on the instrument casing If the clamp is bowed the securing screw is overtight...

Page 8: ...CAL CONNECTIONS Fig 4 1 Access to Terminals Wall Pipe mounted Instruments Fig 4 2 Access to Terminals Panel Mounted Instruments Warning Before making any connections ensure that the power supply any high voltage operated control circuits and high common mode voltages are switched off 4 1 Access to Terminals 4 1 1 Wall Pipe mounted Instruments Fig 4 1 4 1 2 Panel mounted Instruments Fig 4 2 ...

Page 9: ...d current retransmission range see Section 10 SPECIFICATION Since the retransmission output is isolated 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 Arcing also generates r...

Page 10: ...U t o N s s a l G x a o C e r o C r e n n I d a e L k c a l B d a e L n e e r G d a e L d e R d a e L d e R n e e r c S x a o C 1 9 8 2 d e s U t o N s s a l G x a o C e r o C r e n n I n e e r c S d i a r B x a o C d e s U t o N d e s U t o N d e s U t o N d e s U t o N 5 0 6 7 o t 1 0 6 7 d e s U t o N s s a l G x a o C e r o C r e n n I d a e L k c a l B d a e L n e e r G d a e L d e R d a e L ...

Page 11: ...Relays 1 2 3 4 5 6 NC C NO NC C NO Relay 1 Relay 2 Mains Supply N L Neutral LIne Output RS422 RS485 NC C NO Normally Closed Common Normally Open Coax Screen See Table 4 1 2nd Retrans output If fitted 4 ve 5 ve Channel 1 Channel 2 Power Supply Retrans Relay 1 Relay 2 output Glass inner core Reference black 1 2 4 ELECTRICAL CONNECTIONS Warning The power supply earth ground must be connected to ensur...

Page 12: ...ial Interface if fitted Temperature Compensator Electrode System 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 E N L Earth Stud Earth Stud on case Earth Stud on case 1 2 2nd Retrans output if fitted 4 ve 5 ve 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 s...

Page 13: ...15 115V 230V 115 4 Slide instrument out of case Undo captive screw Remove plug if fitted 1 2 3 4 ELECTRICAL CONNECTIONS Information Use a small flat bladed screwdriver to remove the screw cap from the case Fig 4 6 Selecting the Mains Voltage Wall Pipe mounted Instruments Fig 4 7 Selecting the Mains Voltage Panel mounted Instruments 4 5 Selecting the Mains Voltage 4 5 1 Wall Pipe mounted Instrument...

Page 14: ...just or Parameter X Y Z Select New value is automatically stored or 7 0 0 Monitoring pH Alarm L E Ds Upper Display Line Lower Display Line Membrane Keys 5 CONTROLS AND DISPLAYS Fig 5 1 Location of Controls and Displays Fig 5 2 Functions of the Membrane Keys 5 1 Displays Fig 5 1 The display comprises a 5 digit 7 segment digital upper display line and a 16 character dot matrix lower display line The...

Page 15: ...n i m d n a s i n o i t a r b i l a c e h t d e c n a v d a s i e r u d e c o r p e h t l u f s s e c c u s e g a t s t x e n e h t o t y l l a c i t a m o t u a n a r o f 0 2 e g a p n o 3 6 e l b a T e e S s e g a s s e m n o i t a r b i l a c l l a f o n o i t a n a l p x e s e t o N s e t a s n e p m o c n o i t a r b i l a c t n i o p e l g n i s A m e t s y s e d o r t c e l e e h t n i t f ...

Page 16: ...ts are programmable see Section 7 3 Set Up Parameters Page Automatic or manual mode is also selected in the Set Up Parameters Page Preset Temperature value is displayed in either C or F The display units are programmable see Section 7 3 Set Up Parameters Page The preset temperature value is also set in the Set Up Parameters Page Measured Millivolts The sensor reading is displayed in millivolts Ala...

Page 17: ...see pH Calibration Minimum Slope Value in the Set Up Parameters Page on page 25 and 105 should be displayed If the value is outside these limits the electrode system must be checked pH Check Value is displayed as an additional indication of electrode system condition 7pH being the optimum value for glass electrodes and 0pH for Antimony electrodes Advance to PH Calibration Page see Sections 6 2 2 t...

Page 18: ...lay returns to the top of the pH Calibration Page Advance to next parameter Buffering Calibration Type Select single point buffering 1 Pt Advance to next parameter Buffer Calibration Immerse the electrode in the buffer solution Set the upper display line to the temperature corrected pH value of the buffer solution refer to the datasheet accompanying the solution Advance to initiate calibration A f...

Page 19: ...Mode An automatic pH calibration involves standardizing the instrument and electrode system using ABB supplied buffer solutions or non ABB buffer solutions of 4 7 9 and 10pH Before starting pH calibration check the Temp Comp setting in the Set Up Parameters Page see Section 7 3 Refer to Table 6 1 on Page 13 for an overview of the calibration procedure Note Pressing the key at any point during the ...

Page 20: ...sful the instrument automatically advances to the Calibration Message parameter and the appropriate message is displayed Buffer 2 Calibration Immerse the electrode and temperature compensator in either the ABB 9pH buffer solution or the non ABB buffer 2 solution selected earlier Advance to initiate calibration A flashing dot indicates that calibration is in progress The upper display line shows th...

Page 21: ...ature of the buffer solutions to be used see Section 7 3 Immerse the electrode in the first buffer solution Set the upper display line to the temperature corrected pH value of the buffer solution refer to the datasheet accompanying the solution Advance to initiate calibration A flashing dot indicates that calibration is in progress The upper display line shows the sensor e m f When a stable e m f ...

Page 22: ... c i f f e o c n o i t a r b i l a c w e n e h T d o o g n w o n k t s a l e h t d n a d e r o n g i d e s u e r a s t n e i c i f f e o c n o i t a r b i l a c t a e p e r d n a s e u l a v r e f f u b k c e h C e h t e c a l p e r s t s i s r e p t l u a f e h t f I g n i r e f f u b s e d o r t c e l e 6 OPERATION Table 6 3 pH Calibration Messages for Sections 6 2 3 and 6 2 4 6 2 4 Two point pH...

Page 23: ...erating Page Measured mV The e m f of the probe is displayed If the Water Wash cycle is selected models 4631 or 4636 only an alternative message WASH IN PROCESS is displayed The Alarm 1 status and the retransmission value are held in their pre cycle condition for the duration of the wash cycle These two keys are used to advance to all subsequent parameters and pages Alarm 1 Set Point The set point...

Page 24: ...p Retransmission Page Section 7 5 Page 28 RTX Zero pH 2 0 0 RTX Span pH 8 0 0 SET UP ALARMS Set Up Alarms Page Section 7 4 Page 26 A2 Type Fail A1 Setpoint Water Wash Duration Mins Frequency Hrs 1 0 8 A1 Type Fail Temp pH Temp pH Off Off A1 Action High Low A2 Action High Low A2 Setpoint 8 0 0 Alter Cal Code 0 0 0 0 0 Alter Sec Code 0 0 0 0 0 Fail or Off Fail or Off Temp or pH Water Wash RTX Type 4...

Page 25: ... Action High Low A2 Action High Low A2 Setpoint Alter Sec Code 0 0 0 0 0 Off Water Wash RTX Type 4 20 Set Up Retrans 1 0 20 0 10 RTX Type 4 20 Set Up Retrans 2 0 20 0 10 RTX O P Red RTX Zero mV 1 0 0 0 RTX Span mV 1 0 0 0 Hold Outputs Yes No Test Retrans FACTORY SETTINGS FACTORY SET CODE mV Zero 0mV x x x x x ELECTRICAL CAL Calibrate Yes No Adjust RTX Span Adjust RTX Zero Temp Span 150R x x x x x ...

Page 26: ...nted and the display reverts to the Operating Page Advance to Language Page 7 2 Language Page Language Page Select the language to be displayed on all subsequent pages Advance to Set Up Parameters Page 7 3 Set Up Parameters Page press to advance 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 ...

Page 27: ...ct either Auto or Man Preset Temperature If Temperature Compensation is set to Man enter the temperature of the sample Return to top of page Sample Compensation If Yes is selected boiler water compensation is enabled Select Yes or No as required Sample Coefficient Set the required sample temperature coefficient value in pH C within the range 0 000 to 0 040 in 0 001 increments Note For boiler water...

Page 28: ...nt alerts the operator if the pH of the process fluid exceeds or drops below the value set in the Alarm 1 Set Point parameter depending on the type of Alarm Action selected below Off If selected no alarms are set and the alarm l e d is off and the relay de energized at all times Note If Probe Type has been set to Redox ORP in the Set Up Parameters Page only Redox and Off alarm types are available ...

Page 29: ... is displayed then repeat as for Alarm 1 Type previous page Wash Frequency Water wash frequency can be set in 15 minute increments to between 15 and 60 minutes then in 1 hour increments to between 1 and 24 hours Wash Duration Water wash duration can be set in 15 second increments to between 15 and 60 seconds then in 1 minute increments to between 1 and 10 minutes Alarm 2 Action Repeat as for Alarm...

Page 30: ...nt Range The retransmission 1 output can be selected from three mA current ranges to ensure compatibility with the peripheral device connected Select the current range required for retransmission 1 output Retransmission 1 Span Set the required retransmission 1 span output This is adjustable to between 2 00 and 14 00 pH or 850 and 1000mV Redox Retransmission 1 Zero Set the required retransmission 1...

Page 31: ...rature compensation is selected see Section 7 3 Set Up Parameters Page Select the retransmission 2 output assignment required Retransmission 2 Span Set the required retransmission 2 span output This is adjustable to between 2 00 and 14 00 pH 850 and 1000mV Redox or either 10 0 and 150 0 C or 50 0 and 302 0 F Temp Retransmission 2 Zero Set the required retransmission 2 zero output This is adjustabl...

Page 32: ...uments Fig 8 1A 1 Link terminals 6 7 2 Connect the millivolt source to terminals 2 4 to simulate the pH or Redox input Connect the millivolt source earth to the Case Earth Stud 3 Connect the 0 to 1kΩ decade resistance box to terminals 5 7 to simulate the PT100 4 Connect the milliammeter to the retransmission output terminals see Fig 4 4 page 9 Panel mounted Instruments Fig 8 1B 1 Link terminals 6 ...

Page 33: ...the top of the Factory Settings Page Electrical Calibration Select Yes to access the electrical calibration sequence Select No to advance to Adjust Retransmission Zero see next page Caution Do not select Yes unless instrument calibration is required Advance to next parameter Millivolt Zero Set the millivolt source to 0mV and allow the instrument display to stabilize Advance to next parameter Milli...

Page 34: ...n the Set Up Retransmission Page does not affect the reading Advance to next parameter Adjust Retransmission 2 Zero available only on 4630 800 4631 800 4635 800 and 4636 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 4630...

Page 35: ...ted with the electrodes and cabling Replace the electrodes as an initial check refer to the appropriate instruction manual It is also important that all program parameters have been entered correctly and have not been altered inadvertently see Section 7 If the above checks do not resolve the fault a Check that the instrument responds to a millivolt input Connect a pH simulator such as Model 2410 t...

Page 36: ...P pH as per retransmission 1 Redox ORP 1000 to 1000mV min span 150mV Retransmission 2 optional Programmable pH Redox ORP or Temperature pH as per retransmission 1 Redox ORP 1000 to 1000mV min span 150mV Temperature 10 to 150 C 32 to 302 F min span 20 C 36 F Resolution 0 1 of f s d Maximum load resistance 750Ω 20mA max Serial communication RS422 RS485 optional Power Supply Voltage requirements 100 ...

Page 37: ...35 NOTES ...

Page 38: ...36 NOTES ...

Page 39: ...umentation 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 We provide a comprehensive after sales service via a Worldwide Service Organization Contact one of the followin...

Page 40: ...ined herein without notice Printed in UK 03 04 ABB 2004 ABB Limited Oldends Lane Stonehouse Gloucestershire GL10 3TA UK Tel 44 0 1453 826 661 Fax 44 0 1453 829671 ABB Inc 2175 Lockheed Way Carson City NV 89706 USA Tel 1 0 775 883 4366 Fax 1 0 775 883 4373 ABB has Sales Customer Support expertise in over 100 countries worldwide www abb com ...

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