1137200
AutoSet User Manual
3-16
Calibration
Potentiometers control the factor by which incoming strain link signals are amplified to
make tonnage readings on your AutoSet match tonnage readings on the calibration unit.
Potentiometers are adjusted by turning the small screw in the lower right corner of the
component (see Figure 3-9, which shows the potentiometer and jumper for the Left (Rear)
strain link input). The potentiometer screw has a 12-turn limit.
Jumpers control the portion of the range within which strain link signals are amplified.
Jumpers are factory set to “LO,” which selects the low end of the amplification range (see
Figure 3-9). You can change the jumper setting to “HI,” which selects the high end of the
amplification range, by removing the jumper from the two lower pins and placing it over
the two upper pins.
3.
Cycle the press and compare the reading in the Left (AutoSet 1500) or Left Rear (AutoSet
1504) Load LED display with the tonnage displayed on the calibration unit.
Table 3-5. Gain Adjustment Potentiometer and High/Low Gain Jumper Identifiers
AutoSet Model
Strain Link (Input
Connector)
Gain Adjustment
Potentiometer
High/Low Gain
Jumper
1500
Left (TB105)
R144
J115
Right (TB106)
R133
J116
1504
Left Rear (TB105)
R144
J115
Right Rear (TB106)
R133
J116
Left Front (TB107)
R161
J117
Right Front (TB108)
R173
J118
Figure 3-9. AutoSet 1504 Processor Board: High/Low Gain Jumper and Gain Potentiometer
for Left Rear Strain Link
F101
T101
HI NEU GND GND N/O C
TB103
TB101A
P102
TB104
10 9 8 7 6 5 4 3 2 1
5 4 3 2 1
5 4 3 2 1
RIGHT FRONT
5 4 3 2 1
LEFT FRONT
5 4 3 2 1
RIGHT (REAR)
5 4 3 2 1
LEFT (REAR)
1
2
3
4
5
6
7
8
S101
REM RST
Z CAM
SETUP
RESET
REP SEL
REV SEL
J115
R144
J116
R133
J117
R161
J118
R173
0
4
6
2
8
0
4
6
2
8
1 2
8
7 6
5
4
9
3
0
1 2
8
7 6
5
4
9
3
0
1 2
8
7 6
5
4
9
3
0
%TOL
%REP
S104
S107
S105
S106
S103
TONNAGE
100s
1s
10s
S102
ZERO SET
CALFACTOR
115V
K101
DS109
Rx
Tx
DS107
DS106
XU106
+5V
DS1
10
part no. 9644202
AUTOSET
4CH
Version 1.67
OPERATE
DS111
DS112
+12V
- 12V
F102
1/4 AMP
250VAC
4 AMP
250VAC
TB105
TB108
TB107
TB106
6 5 4 3 2 1
DS101
DS102
DS103
DS108
DS104
DS105
MODE
S110
J115
R144
LO
HI
Gain Adjustment
Potentiometer
High/Low Gain
Jumper
Summary of Contents for autoset 1500
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