Mettler Toledo M300 ISM Especificações Página 76

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Transmitter M300 76
© 12 / 11 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M300
Printed in Switzerland 52 121 389
PulseFrequency – If using a pulse input metering pump, select ”Relays” and ”PF”, Pulse Fre-
quency. Choose the first relay position as #3 and/or the second relay position as #4 according
to the table below. Set the pulse frequency to the maximum frequency allowed for the particular
pump being used, typically 60 to 100 pulses/minute. Control action will produce this frequency
at 100% output.
h
NOTE: All relays from #1 to #6 can be used for the controlling function.
CAUTION: Setting the Pulse Frequency too high may cause the pump to overheat.
1
st
RelayPosition=#3 2
nd
RelayPosition=#4 PulseFrequency(PF)
Conductivity
Controlling
concentrating
chemical feed
Controlling dilution water
Max allowed for the
pump used (typically
60–100 pulses/minute)
pH/ORP Feeding base Feeding acid
Max allowed for the
pump used (typically
60–100 pulses/minute)
Dissolved
Oxygen
Reverse control action
Direct acting control
action
Max allowed for the
pump used (typically
60–100 pulses/minute)
Dissolved
Ozone
not recommended not recommended
Analog – If using Analog control, change ”Relays” to ”Analogout” using up/down arrow keys.
Choose the first Analogout position as #1 and/or the second Analogout position as #2 accord-
ing to the table below. Select the analog output current range required by the control device,
4–20 or 0–20 mA. Press [ENTER].
1
st
AnalogoutPosition=#1 2
nd
AnalogoutPosition=#2
Conductivity
Controlling concentrating
chemical feed
Controlling dilution water
pH/ORP Feeding base Feeding acid
Dissolved Oxygen Reverse control action Direct acting control action
Dissolved Ozone Controlling ozonation Controlling ozone destruction
10.4 TuneParameters
(PATH: MENU/PID Setup/Tune Parameters)
This menu assigns control to a measurement and sets the setpoint, tuning parameters and non-
linear functions of the controller through a series of screens.
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