Apply power to the Compu-M,
[P ] displayed
select P91
[P91 ] displayed
press "
ENTER
"
[P91 ####] displayed
press "
ENTER
"
[P92 ] displayed
Set switch SW 1 to the OPEN position.
press "
ENTER
"
[P92 ####] displayed
press "
ENTER
"
[P93 ] displayed
Move the test weight from the load cell B side to the load cell A side of the test weight bar.
Leave switch SW 1 in the OPEN position.
press "
ENTER
"
[P93 ####] displayed
press "
ENTER
"
[P94 ] displayed
Return switch SW 1 to the CLOSED position.
press "
ENTER
"
[P94 ####] displayed
press "
ENTER
"
[P95 ####] displayed
Adjust the Compu-M, board B, A BAL potentiometer (P3) as required until the displayed value
equals 0
+ 5 counts.
Remove the test weight and ensure Compu-M board B switch SW1 is in the CLOSED position.
Where the dual load cell balance procedure is performed on a previously
calibrated system, a new zero and span calibration must be performed.
Refer to APPLICATIONS/Recalibration.
A BAL
potentiometer
SW1
PL-516 30