Wiring Connections For Options - OHAUS T72XW Manual De Instrucciones

T72XW Options Manual

WIRING CONNECTIONS FOR OPTIONS

ETHERNET CONNECTIONS
The Ethernet option board (Figure 1-6) is positioned in position 2 on the main board (Figure 1-3). This
port provides a 10 Base-T connection (10 Mb) connection for Ethernet.
The Ethernet connection is made via a standard RJ45 connector (indicated in Figure 1-6) on the
option board
RJ45
connector
Important: When installing the Ethernet option, adhere the Ethernet label from the kit to the enclosure
near the Ethernet connector.
COM2 CONNECTIONS
The COM2 option board (Figure 1-7) is positioned in option position 1 on the Main board (Figure 1-3).
This option board provides a single serial port labeled COM2.
The COM2 port provides RS-232 and RS-485 connections. There is a setup
parameter that must be selected to match the hardware connection used. This
parameter controls how the transmit and receive lines are controlled. See Figure
1-8 and Figure 1-9 for connection details.
Figure 1-6: Ethernet Connection Option Board
Figure 1-7: COM2 Option Board
Figure 1-8: COM2 Port Signals
Terminal
TxD Transmit RS-232
RxD Receive RS-232
Gnd Logic Ground
RS-485 A RS-485 data A
RS-485 B RS-485 data B
Signal
EN-3