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Emerson FB3000 User Manual

Emerson FB3000
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FB3000 RTU Instruction Manual
D301851X012
November 2023
28 Installation
The communication ports allow you to connect to a PC or laptop running FBxConnect
software or to other devices.
Table 2-6. Communication Terminal Blocks on the CPU Module
Port
Pin
RS-232
4-Wire RS-485
2-Wire RS-485
COM1
1
TXD1
TX1+
TX1+
2
RTS1
TX1
TX1
3
RXD1
RX1+
4
CTS1
RX1
5
GND
GND
GND
COM2
6
TXD2
TX2+
TX2+
7
RTS2
TX2
TX2
8
RXD2
RX2+
9
CTS2
RX2
10
GND
GND
GND
COM3
11
T3+
(Isolated RS-485
only)
12
T3(ISO GND)
13
TX/RX+3
14
TX/RX3
COM4
15
T4+
(Isolated RS-485
only)
16
T4(ISO GND)
17
TX/RX4+
18
TX/RX4
19
20
Use
FBxConnect software to choose the port usage (RS-232 or RS-485) for COM1 and
COM2.
Note
Older standards refer to RS-485 (4-wire) as RS-422.

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Emerson FB3000 Specifications

General IconGeneral
BrandEmerson
ModelFB3000
CategoryTouch terminals
LanguageEnglish

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