Graco Lube Sentinel II Instructions Manual page 22

Definitions
WAxx
WB
WC
WDx
WEx
22
Set tachometer pulses per revolution.
INTEGER xx = 1 - 32
Reset Faults.
Save Data to EEPROM. Programming changes become permanent.
Set the fault count to alarm on, where x = 1, 2, or 3.
Set the polarity of the fault relays.
0 = No. Relays not inverted, normally deenergized, energize on a fault.
1 = Yes. Relays are inverted, normally energized, deenergize on a fault.
313903B