
Transmitter M400 6
© 02 / 2010 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400
Printed in Switzerland 52 121 378
8.2.3 Parameter related settings __________________________________________________________________ 68
8.2.3.1 Conductivity temperature compensation ______________________________________________ 69
8.2.3.2 pH/ORP parameters _____________________________________________________________ 70
8.2.3.3 ISFET parameters _______________________________________________________________ 71
8.2.3.4 Parameters for oxygen measurement based on amperometric sensors ______________________ 71
8.2.3.5 Parameters for oxygen measurement based on optical sensors ____________________________ 72
8.2.3.6 Adjusting sampling rate for optical sensors ___________________________________________ 73
8.2.3.7 LED Mode _____________________________________________________________________ 73
8.2.3.8 Dissolved carbon dioxide parameters ________________________________________________ 74
8.2.4 Set averaging ____________________________________________________________________________ 75
8.3 Analog outputs __________________________________________________________________________________ 76
8.4 Set points ______________________________________________________________________________________ 77
8.5 Alarm / Clean ___________________________________________________________________________________ 78
8.5.1 Alarm __________________________________________________________________________________ 78
8.5.2 Clean __________________________________________________________________________________ 80
8.6 ISM set up (available for pH and oxygen ISM sensors) ___________________________________________________ 80
8.6.1 Sensor monitoring ________________________________________________________________________ 80
8.6.2 CIP Cycle Limit ___________________________________________________________________________ 82
8.6.3 SIP Cycle Limit ___________________________________________________________________________ 83
8.6.4 Autoclaving Cycle Limit ____________________________________________________________________ 83
8.6.5 Reset ISM counter / timer ___________________________________________________________________ 84
8.7 Display ________________________________________________________________________________________ 85
8.7.1 Measurement ____________________________________________________________________________ 85
8.7.2 Resolution ______________________________________________________________________________ 85
8.7.3 Backlight _______________________________________________________________________________ 86
8.7.4 Name __________________________________________________________________________________ 86
8.7.5 ISM sensor monitoring (available when ISM sensor connected) _____________________________________ 86
8.8 Hold analog outputs ______________________________________________________________________________ 87
9 System ______________________________________________________________________________________________ 88
9.1 Set Language ___________________________________________________________________________________ 88
9.2 USB ___________________________________________________________________________________________ 88
9.3 Passwords _____________________________________________________________________________________ 89
9.3.1 Changing passwords ______________________________________________________________________ 89
9.3.2 Conguring menu access for operator _________________________________________________________ 89
9.4 Set / Clear lockout ________________________________________________________________________________ 90
9.5 Reset __________________________________________________________________________________________ 90
9.5.1 Reset system ____________________________________________________________________________ 90
9.5.2 Reset meter calibration ____________________________________________________________________ 90
9.5.3 Reset analog calibration ___________________________________________________________________ 91
9.5.4 Reset sensor calibration (for optical sensors only) _______________________________________________ 91
9.6 Set date & time __________________________________________________________________________________ 91
10 PID setup ____________________________________________________________________________________________ 92
10.1 Enter PID setup __________________________________________________________________________________ 93
10.2 PID auto / manual ________________________________________________________________________________ 93
10.3 Mode __________________________________________________________________________________________ 94
10.3.1 PID mode _______________________________________________________________________________ 94
10.4 Tune parameters _________________________________________________________________________________ 95
10.4.1 PID assignment & tuning ___________________________________________________________________ 96
10.4.2 Setpoint & deadband ______________________________________________________________________ 96
10.4.3 Proportional limits ________________________________________________________________________ 96
10.4.4 Corner points ____________________________________________________________________________ 96
10.5 PID display _____________________________________________________________________________________ 96
11 Service ______________________________________________________________________________________________ 97
11.1 Diagnostics _____________________________________________________________________________________ 97
11.1.1 Model / Software revision ___________________________________________________________________ 97
11.1.2 Digital input _____________________________________________________________________________ 98
11.1.3 Display ________________________________________________________________________________ 98
11.1.4 Keypad ________________________________________________________________________________ 98
11.1.5 Memory ________________________________________________________________________________ 98
11.1.6 Set Relay _______________________________________________________________________________ 99
11.1.7 Read relays _____________________________________________________________________________ 99
11.1.8 Set analog outputs ________________________________________________________________________ 99
11.1.9 Read analog outputs ______________________________________________________________________ 99
11.1.10 0
2
Optical ______________________________________________________________________________ 100
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