Figure 2-9. Operator Interface, Com1, And Com2 Ports - Emerson Fisher FLOBOSS 407 Instruction Manual

FloBoss 407 Instruction Manual
between the operator interface connector and the PC. A prefabricated operator interface cable is
available as an accessory.
The FloBoss 407 has a built-in EIA-232 serial interface accessible through the COM1 communications
port. The port is an 8-terminal connector located on the termination board. Refer to Table 2-2 for a
description of the signals available at each terminal.
TERMINAL
COM1 Signal
*This signal is permanently enabled (connected to +10 Vdc).
The COM2 port provides communications access to an optional plug-in communications card. Section
4 details the types of communications cards available for the FloBoss 407 and has information on
connecting wiring to the COM2 connector.
2-18
DOC0217A

Figure 2-9. Operator Interface, COM1, and COM2 Ports

Table 2-2. COM1 Port Signals
1 2
RXD TXD
COM1
3 4 5
RTS CTS DCD
COM2
OPERATOR
INTERFACE
PORT
6 7 8
DTR* DSR COM
Rev 5/00