the EEPROM. Thus, after a power failure, the totalizer will be loaded with the last value
stored.
Once the totalizer has been filled (99999999), it will automatically reset itself to zero
and resume totaling.
The HydroRanger I can be calibrated (P-39) to normally display one of the following
readings:
•
enter option “0”, hold last reading selected in run mode
•
enter option “1”, high total: 4 highest digits of the 8 digit totalizer
•
enter option “2”, low total: 4 lowest digits of the 8 digit totalizer
•
enter option “3”, head
•
enter option “4”, flow
It must be noted that only half of the totalizer digits can be accessed or viewed at
one time.
e.g. high total low total
P-54 P-55
8 digit total 1 3 2 5 4 7 6 9
If it is wished to momentarily view an alternate reading while in the RUN mode and P-39
≠
0, press the desired calibrator key (* - READ is not applicable to OCM).
e.g. - normal reading is high total, P-39 = 1
- to momentarily view low total, press
#### low total, is momentarily displayed
#### normal reading, high total is returned
If P-39 = 0, alternate readings cannot be momentarily displayed. Pressing the desired
key will change the display and hold it there until the next alternate reading is selected.
In the calibrate mode, the high and low totals can be viewed or preset to any value by
P-54 and P-55 respectively.
The flow readings (high and low total) may be scaled down by factors of 10 (P-52) to
slow down the totalizer’s rate of fill and its decimal point (P-53) positioned for the
resolution required. If it is desired to change the scaling factor or decimal point location
after totaling has begun, record the high and low totals and reset the totalizer to zero.
The HydroRanger I can be programmed to ignore low head, i.e. flows for heads less
than that set in P-48 will not be accumulated into the totalizer. The low head cutoff is
measured in % of maximum head (P-45).
Further to alarm and pump functions, relays may be programmed to act as a
momentary contact closure for a remote totalizer, flow sampler or time sampler (refer to
2
PL-399 6 – 30
To Next Page
Loading...
