
35013379 02 October 2007 281
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Quantum Modbus Plus Network
Option Modules
140NOM21X00 Quantum Modbus Plus Network Option Modules
Overview The following information describes the single and dual channel twisted-pair cable
NOM21X00 modules, which provide interface to Modbus Plus networks.
Modbus Plus
Module
The following figure shows the components of the Modbus Plus 140NOM21X00
modules.
Modbus
Modbus
Comm 1
Network
Node
Customer Identification Label
(Fold label and place it inside door)
Part #043504417
Removable door
Model Number
Module Description
Color Code
LED Area
Modbus
Connector
140
NOM 21X 00
CONTROLLER
Modbus
Plus Chan
Modbus
Comm 2
Modbus
Plus
ASCII
RTU
mem
X
Modbus
Plus Chan
Comm Parameter
Slide Switch
Modbus Plus
Connector
Chan A
Modbus Plus
Connector
Chan B
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com
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