CHAPTER 1
GETTING STARTED
1.6.2 RS232 Interface
The T51P and T51XW have a built-in RS232 Interface. The T51P has a standard 9-pin D-style
female connector on the back of the T51P Housing. (See Table 1-2 for Pin Configuration.)
The T51XW has terminals for connecting a cable directly to the main PCB. (See Figure 1-1,
Terminal J7, and Table 1-3 for Pin Configuration). In addition, each model (T51P and T51XW),
has an optional COM2 connector, which can be either RS232 or RS422/485. The optional
interface is available separately, with its own instructional manual for installation and
configuration.
TABLE 1-2. T51P RS232 PIN CONFIGURATION.
1
2
3
4
5
6
7
8
9
Figure 1-6. RS232 Pins.
(T51P)
Pin Connection
1 N/C
2 TXC
3 RXD
4 N/C
5 GND
6 N/C
7 CTS
8 RTS
9 N/C
TABLE 1-3. T51XW RS232 TERMINAL CONFIGURATION.
Figure 1-7. RS232 Terminal.
(T51XW)
Pin Connection
1 RTS
2 TXD
3 RXD
4 CTS
5 GND
For software setup of the RS232 Interface through the Indicator’s menu, see Section 1.9.
All other aspects of hardware configuration and setup are described in the Instruction Manual.
Ohaus Corporation www.ohaus.com
1-6
5000 Series T51 Indicator Service Manual
Summary of Contents for T51P
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