3.9 WIP
The Wayne™ Intelligent Pulser (WIP) contains two sets of magnetic sensors - one set for each
meter. Inside the meter dome, a rotating magnetic disk generates a changing magnetic field.
The sensors detect changes in the magnetic field which the pulser converts to digital pulses.
The pulses are adjusted to meter output with a calibration factor that is stored in the pulser
memory.
The pulser has three Operational Modes: U.S. mode, Continental mode, and Euro mode.
In the U.S. mode, iMeter calibration is done with a 5 gallon test measure. In the Continental
Mode, iMeter calibration is done with a 20 liter test measure. Euro Mode is factory default - fac-
tory diagnostics.
The pulser’s Operational Mode is determined by the dispenser template (Read-only function -
F16) loaded into the pump computer’s memory. The operational mode tells the pulser which
calibration factor will be used for the iMeter calibration process. In other words, the mode identifies
the size of the test measure you are using when the amount of product dispensed in the test
measure is within one of the predetermined ranges defined for the 5 gallon and the 20 liter
measurements. However, if the dispenser is set in one mode (liters for example) and you try to
calibrate using the 5 gallon test measure, the pulser will not accept the new calibration factor
during this process because the product dispensed in the test measure will not be within the
predetermined range. Because this calibration factor is essential for calibrating the iMeter to
spec, always ensure the correct mode is set after replacing a pulser or when performing meter
calibrations.
To set the operational mode, communications between the pump computer and the pulser must
be established properly. Set the operational mode as follows:
1
Power up the dispenser.
2
Open both calibration doors on the pulser.
3
Cycle power to the dispenser.
4
Close the calibration door.
iMeters are tested and proven to be calibrateable at the factory before a dispenser is shipped.
Local codes and regulations may require verification of meter accuracy at Start-up and/or after
replacing the pulser. If verification or calibration is required, sufficient product must be run through
each meter to thoroughly flush out all air and completely fill the system prior to the calibration
process.
Meter verification accuracy and calibration procedures are explained in a later section of this
manual.
WM048523 Rev 08 01/2019 29
3 Electronics
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