Avery Weigh-Tronix WI-125 SST, Service Manual

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WI-125SST INDICATOR
(LCD VERSION)
(115/230VAC & 12VDC)
SYSTEM BLOCK DIAGRAM
NOTE:
All versions of the WI-125 LCD indicators, beginning with serial no. 36898,
have a new main board and firmware. The microprocessor has been
changed to it’s most current revision. This means the board layout changed,
along with a different EPROM and it’s stored firmware.
EPROMS from the
former board will not work in this new board.
Previous models of the WI-125 LCD indicators required an optional special
software feature to add single channel accumulation and transaction count.
The enhanced WI-125 LCD configuration includes the choice to enable
single channel accumulation and transaction count.
Below is a chart referencing the model/part numbers for the old and new
board EPROM.
Old P/N New P/N
Description Board & Software Board & Software
WI-125 SST 29400-0179 53042-1056