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6159932830-02
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7 - EXTERNAL CONNECTIONS
On the left side, there are three slots for external connections.
External Power Supply
Plug the provided transformer to charge the internal batteries in the unit.
RS 232 Output
The RS 232 can be used for printing or downloading torque values into a computer or
used with an external PC to calibrate the unit.
Rate: 9 600 BPS
Format: 8 bits fixed, 1 stop bit, no parity.
RS 232 Connection Pin-Out
The following diagram and table define the pins of the I/O connectors for the
ALPHA Digital Torque Tester.
Analog Output
Connector provided for those that wish to monitor the amplified analog signal before the
analog to digital conversion.
8 - USER INTERFACE
DISPLAY
Two modes of operation
for
measuring
torque
(current setting displayed)
Large display of torque
reading
Pin numbers
6..................
RS 232
PEAK
2 0 . 0 0
RS 232 connector
Pin
Signal
1
Not Used
2
RXD
3
TXD
4
Not Used
5
Ground
6
Not Used
FILTER 1500 HZ
LBF.IN
Select one of four filters
(current filter selection is
displayed)
Select
one
of
four
measuring units (current
units are displayed)
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