Hardware reference guide

35013379 02 October 2007 281
11
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