2. INSTALLATION
2.1 External Connections
2.1.1 Scale Base with Connector
Ohaus bases with a connector can be attached to the external load cell connector (Figure 1-1, item
12). To make the connection, plug the base connector onto the external load cell connector. Then
rotate the base connector's locking ring clockwise. Refer to section 2.3.2 for bases without a
connector.
2.1.2 RS232 interface Cable to TD52P
Connect the optional RS232 cable to the RS232 connector (Figure 1-1, item 11).
Figure 2-1
2.1.3 AC Power to TD52P
Connect the AC power cord (supplied) to the power receptacle (Figure 1-1, item 10), then connect the
AC plug to an electrical outlet.
2.1.4 AC Power to TD52XW
Connect the AC plug to a properly grounded electrical outlet.
2.2 Internal Connections
Some connections require the housing to be opened.
To Enter 'A', press
enter 'Z', press
To enter '0', press the button in the mode of numeric input. To enter a
space, press the button in the mode of uppercase or lower case input.
To enter '1', press the button in the mode of numeric input. To enter '#'
or '/', press the button in the mode of uppercase input. To enter '@', '_'
or '&', press the button in the mode of lowercase input.
Switch between three input modes ‒numeric, lowercase and uppercase
input.
To enter '.', press the button in the mode of numeric input. To enter '+' or
'-', press the button in the mode of uppercase or lowercase input.
Perform Zero operation.
Perform Tare operation.
When entering the value first and then pressing this button the number input will be set
to preset Tare value.
RS232 Pins
2 times in the mode of uppercase input. To
5 times in the mode of lowercase input.
Pin
Connection
1
N/C
2
TXD
3
RXD
4
N/C
5
GND
6
N/C
7
CTS
8
RTS
9
N/C
EN-3