Hanna Instruments HI 8000 Series - Manual (Page 54)

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ECk
Factory amplification setting for EC control.
ECTi
Integral constant for EC control. Setting the value to 99.9 minutes effec-
tively disables the integral function.
ECTd
Derivative constant for EC control. Rate time. Setting the value to 0.00
minutes effectively disables the derivative function.
NOTE: For automatic PID correction insert 00.0 in pHk and in ECk.
5.9.8 SET TIMINGS – S 58
Start delay: 03s
Stop delay: 03s
Time cycle: 02.0s
SET TIMINGS S58
This panel displays and allows the setting of the following parameters:
Start delay
Selectable start delay value for the main pump as it relates to the open
command for the first active sector.
Stop delay
Selectable stop delay value for the main pump as it relates to the close
command for the last active sector.
Time cycle
The complete cycle duration factor for the controller.
WARNING!
It is strongly suggested that only specialized personnel modify these settings.
5.9.9 SET LOG LEVELS – S 59
Recording level: 03
Consulting level: 03
SET LOG LEVELS S59
The Fertigation Controller’s logging system is a three level hierarchical system.
A set of categories are assigned to each of the 3 levels; these events are re-