5.6.9
Function PID
Availability
Optional (see section 8.10.4)
Formula
Continuous regulation
Use
For all input types; with internal or external setpoint.
5.6.10 Function "Time dosing"
Availability
Optional (see section 8.10.4)
Use
In a cooling tower, for example; used to dose 2 products at fixed intervals or for twice daily dosing
scheduled over one week.
The time dosing function can be combined with an ON/OFF function on a conductivity
measurement only, in order to ensure pre-purging of the system. The "ON/OFF" function must be
configured and activated before the time dosing function.
5.6.11 Function "Volume dosing"
Availability
Optional (see section 8.10.4)
Use
Dedicated to the cooling towers. Metering of a specific volume of water and activation of an
actuator during a specific period in order to add a product and, finally, reset of the water volume
to zero.
5.6.12 Function "Concentration"
Availability
Optional (see section 8.10.4)
Use
The concentration graphs for certain compounds such as NaCl and H
2
SO
4
are memorised for use
over the entire concentration range.
Refer to the technical data sheet of the device, available at:
5.6.13 Function "Datalogger on memory card"
Availability
Optional (see section 8.10.4)
Use
Option to memorise the variations in 1 to 16 values in a given time interval.
21
Description
Type 8619
English
Содержание 8619 multiCELL WM AC
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