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Quick Start Guide
ASSEMBLY
Both the T31P and T31XW connect to a scale base through a Load Cell Cable that connects to
the Indicator's Main Printed Circuit Board (PCB). Follow these connection instructions.
Load Cell cable connections are on the rear of both models:
T31P (rear view)
Power
Strain relief for
Receptacle
Load Cell Cable
Remove the four screws from the Bottom Housing. Separate the Top and Bottom Housing.
Connect the Load Cell cable leads to Load Cell Terminal J5 on the T31's Main Printed Circuit
Board. (Note Jumpers W1 and W2. RS232 terminals and LFT Switch are also shown.)
Load Cell
Terminal J5
Sense
Jumper W1
Jumper Connections
For a 4-wire load cell with no sense wires, short Jumpers W1 and W2.
For a 6-wire load cell that includes sense wires, open Jumpers W1 and W2.
For load cells with an extra ground shield wire, connect the shield to the center position (GND).
+EXC
+SIG
-SIG
+SENS
GND
Load Cell wiring.
Re-assemble the Top and Bottom Housing.
Ohaus Corporation www.ohaus.com
RS232
Connector
J4
W1
Printed Circuit Board (PCB), T31 Indicator
Pin
Connection
J5-1
J5-2
J5-3
J5-4
-EXC
J5-5
-SENS
J5-6
J5-7
T31XW (rear view)
Strain relief for
RS232 Cable
OFF
J5
J7
W2
+Excitation
+Sense
+Signal
GND
–Signal
–Sense
–Excitation
i
T31 Indicators
Strain relief for
Strain relief for
Load Cell Cable
Power Cable
LFT On/Off
Switch
ON
Sense
Jumper W2
RS232
Terminal J7
(T31XW only)
J6
RS232
Terminal J6
(T31P only)
Open/shorted jumpers.
T31 Indicators Quick Start Guide
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Related Manuals for OHAUS T31
Summary of Contents for OHAUS T31
- Page 1 Remove the four screws from the Bottom Housing. Separate the Top and Bottom Housing. Connect the Load Cell cable leads to Load Cell Terminal J5 on the T31’s Main Printed Circuit Board. (Note Jumpers W1 and W2. RS232 terminals and LFT Switch are also shown.)
- Page 2 Accepts the current Moves back to previous (Short Press) setting on the menu item. Rejects current setting, advances Aborts a calibration in display. to next available setting. Decrements the value. progress. Increments the value. T31 Indicators Quick Start Guide Ohaus Corporation www.ohaus.com...
- Page 3 (If using a container, be sure to tare the empty container first.) Changing Units of Measure: Press and hold Units until the desired measuring unit appears. Only units enabled in the Unit Menu are displayed. (See back page.) Ohaus Corporation www.ohaus.com T31 Indicators Quick Start Guide...
- Page 4 Back Moves backwards through the upper and middle level menus. Backs out of a list of selectable items to the previous middle level menu. – Exit Exits from menu directly to the active weighing mode. MENU SETUP *80253021* P/N 80253021 T31 Indicators Quick Start Guide Ohaus Corporation www.ohaus.com...
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