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Emerson FB3000 User Manual

Emerson FB3000
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FB3000 RTU Instruction Manual
D301851X012
November 2023
40 Installation
2.11 Connecting Additional Serial Communication
Ports (COM04/3SERL4/3SRSG4 Module)
The 4-Port Serial Communications Module (COM04) consists of a logic module (3SERL4)
and a personality module (3SRSG4). Each COM04 module provides 4 additional serial MVS
communication ports.
COM04 provides no loop power for connected devices, all devices must have external
power.
COM04 can be installed in any base chassis slot except for Slot 1. It cannot be installed in
an expansion chassis.
2.11.1 Wiring the Ports on the 3SRSG4 Personality Module
DANGER
EXPLOSION HAZARD: Never open the enclosure in a hazardous area.
DANGER
EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-
hazardous. Performing this operation in a hazardous area could cause an
explosion.
Table 2-7. Communication Terminal Blocks on COM04 Module
COM Terminal Blocks
Port
Pin
RS-232
4-wire RS-485
2-wire RS-485
COM1
1
TxD1
TxD1+
TxRxD1+
2
RTS1
TxD1-
TxRxD1-
3
RxD1
RxD1+
X
4
CTS1
RxD1-
X
5
GND1
GND1
GND1
COM2
6
TxD2
TxD2+
TxRxD2+
7
RTS2
TxD2-
TxRxD2-
8
RxD2
RxD2+
X
9
CTS2
RxD2-
X
10
GND2
GND2
GND2
COM3
11
TxD3
TxD3+
TxRxD3+
12
RTS3
TxD3-
TxRxD3-

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Emerson FB3000 Specifications

General IconGeneral
BrandEmerson
ModelFB3000
CategoryTouch terminals
LanguageEnglish

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