User manual

Ethernet Communication Services
33002479 06 07/2008 97
Additional Ethernet Services
Hot Standby The Ethernet Hot Standby system consists of two identical Modicon Quantum
systems. Each Quantum system contains:
z a Modicon Quantum Hot Standby with Unity controller (140 CPU 671 xx0)
z a remote I/O head
z NOE 771 xx modules (no more than six)
z a power supply
The Hot Standby modules are connected to each other via a fiber-optic cable. Both
remote I/O heads are connected to the remote I/O network and to each other.
Schneider Electric recommends:
1. remote I/O networks use redundant cables (drops are not redundant)
2. switch connecting the NOEs to the network. Available switches are:
z 499NES17100
z 499NOS17100
FactoryCast and
User
Customizable
Web Pages
FactoryCast is a software package that you use to customize a Web site on the
embedded Web server module. The site can be accessed via a browser to view and
modify data from a Modicon Quantum with Unity controller (PLC).
FactoryCast provides all the Web pages and Java applets you need to view run-time
data from your controller. You can use the FactoryCast default Web site simply by
configuring the module and accessing it with a browser over an intranet.
Modules that use FactoryCast to add customized web pages on a site are:
z NOE 771 10
z NOE 771 11
z 140 NWM 100 00
Flash File
System
The NOE 771 xx modules are equipped with a Flash File System, which allows
changing or updating the executive, kernel, and Web site files by an upload.