B&C PH 7685 - Table of Contents

B&C Electronics PH 7685/E – Rev. B
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1 FEATURES .................................................................................................................................. 3
2 SPECIFICATIONS....................................................................................................................... 4
2.1 FUNCTIONAL SPECIFICATIONS ................................................................................... 4
2.2 TECHNICAL SPECIFICATIONS...................................................................................... 6
2.3 PHISICAL SPECIFICATIONS ........................................................................................ 11
3 INSTALLATION ....................................................................................................................... 12
3.1 PHYSICAL INSTALLATION.......................................................................................... 12
3.2 ELECTRICAL INSTALLATION..................................................................................... 12
4 OPERATING THE SYSTEM .................................................................................................... 15
5 SOFTWARE DESCRIPTION .................................................................................................... 16
5.1 KEYBOARD ..................................................................................................................... 16
5.2 READOUT SEQUENCES ................................................................................................ 17
5.3 CALIBRATION SEQUENCES ........................................................................................ 22
5.3.1 Manual/automatic mode selection .................................................................................. 22
5.3.2 pH and ORP electrodes calibration................................................................................. 23
5.3.3 Temperature calibration.................................................................................................. 26
5.3.4 Set-point A/B calibration................................................................................................ 27
5.3.5 On/Off function .............................................................................................................. 28
5.3.6 PFM proportional function (option 091.211) ................................................................. 29
5.3.7 PWM proportional function (option 091.211)................................................................ 30
5.3.8 Alarm adjustment............................................................................................................ 31
5.4 CONFIGURATION .......................................................................................................... 33
5.4.1 Keyboard locked/unlocked ............................................................................................. 33
5.4.2 LCD display contrast ...................................................................................................... 34
5.4.3 Access number................................................................................................................ 34
5.4.4 pH electrode type............................................................................................................ 35
5.4.5 Software filter ................................................................................................................. 35
5.4.6 Input related to analog output n°1 .................................................................................. 35
5.4.7 Analog output n°1 range................................................................................................. 35
5.4.8 Input related to analog output n°2 (option 091.3711).................................................... 36
5.4.9 Analog output n°2 range (option 091.3711) .................................................................. 36
5.4.10 Set-point A operating mode (option 091.211)................................................................ 37
5.4.11 Set-point A function ....................................................................................................... 37
5.4.12 Set-point B operating mode (option 091.211) ................................................................ 38
5.4.13 Set-point B function........................................................................................................ 38
5.4.14 Alarm on set-point A ...................................................................................................... 38
5.4.15 Alarm on set-point B ...................................................................................................... 39
5.4.16 Alarm relay contact function .......................................................................................... 40
5.4.17 New access number ........................................................................................................ 40
6 NORMAL OPERATION............................................................................................................ 42
6.1 MANUAL OPERATION .................................................................................................. 42
6.2 MANUAL TEMPERATURE COMPENSATION ........................................................... 42
7 CALIBRATION.......................................................................................................................... 43
7.1 CALIBRATING THE PH-METER .................................................................................. 43
7.2 CALIBRATING THE ORP-METER................................................................................ 43
8 PREVENTIVE MAINTENANCE.............................................................................................. 44