Cable Installation

Introduction

We recommend the use of shielded twisted 4-pair CAT5e (10/100 Mbps) cables for the following connection types in an M580 system:

the connection between the PAC and the DRSs on the main ring
the connection between a BMENOC0301/11 module and an isolated DIO network or an extended RIO network

NOTE:

Schneider Electric recommends that you use CAT6 (10/100/1000 Mbps) copper shielded twisted 4-pair cables to connect a BMENOC0321 Ethernet control network communications module to a control network.
We recommend that you do not use copper shielded twisted two-pair CAT5e (10/100 Mbps) and CAT6 (10/100/1000 Mbps) cables. Instead we recommend that you use copper shielded twisted four-pair CAT5e (10/100 Mbps) and CAT6 (10/100/1000 Mbps) cables.

Connections Between Devices

This example shows the maximum cable lengths between RIO and DIO devices in an M580 device network. Use copper cable for distances less than or equal to 100 m. User fiber cable for distances greater than 100 m:

NOTE: A BMENOC0301/11 module can support distributed equipment through its Ethernet backplane connection to the PAC and through the device network port(s) on the front of the BMENOC0301/11, respecting the limitation of 128 scanned devices per BMENOC0301/11 module.

DRS

(dual-ring switch) A ConneXium extended managed switch that has been configured to operate on an Ethernet network. Predefined configuration files are provided by Schneider Electric to downloaded to a DRS to support the special features of the main ring / sub-ring architecture.

RIO network

An Ethernet-based network that contains 3 types of RIO devices: a local rack, an RIO drop, and a ConneXium extended dual-ring switch (DRS). Distributed equipment may also participate in an RIO network via connection to DRSs or BMENOS0300 network option switch modules.

control network

An Ethernet-based network containing PACs, SCADA systems, an NTP server, PCs, AMS, switches, etc. Two kinds of topologies are supported:

flat: All modules and devices in this network belong to same subnet.
2 levels: The network is split into an operation network and an inter-controller network. These two networks can be physically independent, but are generally linked by a routing device.