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Output On Time Setup
(if control mode is biocide timer or spike set point based feed)
This menu is used to change the amount of time that the output will activate for each programmed
event. Again, it is not possible to reschedule events using the keypad. Press Enter with Output On
Time highlighted to access the screens that show each event:
RLY1-8 TIMER ADDS
Event A ... T
Time Of Day xx:xx
Output On Time
(min)xxxx (sec)xx
NEXT for next event
PREV f. previous evnt
Use the arrow keys to change the relay on time in minutes. Any value between 1 and 1440 is
acceptable. Press Enter to accept the new value. Press Next to move to the seconds, use the arrow
keys to adjust the seconds, and Press Enter to accept the new value. Press Next to advance to the
next programmed event, or Prev for the previous scheduled event. Prev will also move you from
sec to min within an event.
On Delay
(if control mode is Activate on a DI)
Use the arrow keys to change the time (in minutes:seconds) to delay the relay activation once the
DI changes to the active state, then press Enter to accept the changes. Any value between 1 and
1440 is acceptable.
Off Delay
(if control mode is Activate on a DI)
Use the arrow keys to change the time (in minutes:seconds) to delay the relay deactivation once
the DI changes to the non-active state, then press Enter to accept the changes. Any value between
1 and 1440 is acceptable.
Specific Gravity
(if control mode is target PPM)
Use the arrow keys to change the specific gravity of the chemical product being fed. Any value
between 0 and 10 g/ml is acceptable.
Pump Rating
(if control mode is target PPM)
Use the arrow keys to change the flow rate of the metering pump feeding the chemical product.
Any value between 0 and 1000 gal or liters per hour is acceptable.
Output Time Limit xxxx
Use the arrow keys to change the maximum amount of time that the relay can be continuously
activated before the controller deactivates the relay and activates a Output Time Limit alarm. Press
the Enter key to accept the new value. The Output Time Limit is intended to prevent runaway
control on a faulty sensor input.
Note that the relay will not activate again until someone resets the timer!
It will take some experience to find out what the normal output on-time will be. If the relay cycles
open and closed under worst case conditions in 30 minutes, you may want to set the Output Time
Limit at 60 minutes.
Hand Time Limit xxxx
Use the arrow keys to change the maximum number of minutes that the Bleed output can be
activated in the Hand mode. Any value between 1 and 1440 is acceptable. Press Enter to accept the
new value.
Содержание WebMaster
Страница 19: ...15 Figure 1a Typical Installation Cooling Tower ...
Страница 20: ...16 Figure 1b Typical Installation Boiler Intermittent Sampling ...
Страница 21: ...17 Figure 1c Typical Installation Boiler Continuous Sampling ...
Страница 30: ...26 Figure 7 Wiring Diagram for Optional Digital Communications ...