Emerson FloBoss S600+, Instruction Manual

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S600+ Instruction Manual
3-6 CPU Module Revised July-2017
COM 9-12
The S600+ adds four new RS-485 serial ports (COM 9 through COM
12), located in the lower half of the CPU module (see
Figure 3-1 ).
Table 3-3. Communication Ports
Communications Port Backplate Descriptor Description
Network 1 NTWK1 Ethernet
Network 2 NTWK2 Ethernet
Comm 4 COM4 RS-232
Comm 3 COM3 RS-232
Comm 5, 6 & 7 TB2, TB3, TB4 RS-422 or RS-485
Comm 9 TB6
Comm 10 TB6
Comm 11 TB6
Comm 12 TB6
USB
For information on the communications port on the front panel which
can also act as Comm 2, refer to
Chapter 5, Front Panel .
3.3.1 RS-232 Serial Port
The CPU module’s backplate provides two RS-232 (RS-232D)
communications ports labeled COM3 and COM4. The ports use FCC-
68 RJ-45 connectors. The COM3 and COM4 pin connections are
shown in
Table 3-4. Figure 3-5 shows a sample pin connection.
Converters are commercially available to configure either 9-way D
type or 25-way D type connection. The ports support baud rates from
2400 to 57600 bps.
Table 3-4. COM3 and COM4 Pin Connections
Pin Function
1 GND
2 DTR
3 RTS
4 TX
5 RX
6 CTS
7 DSR
8 DCD
Figure 3-5. Pin Connections