Hardware reference guide

Quantum Configurations

35013379 02 October 2007 35

Quantum Remote I/O (RIO)

Overview Quantum RIO can be set up in single or dual cable configurations (refer to the

following two figures) and is contained in one rack at each RIO drop. When RIO is

used, the Quantum CPU may support several drops (a drop can be either Quantum,

SY/MAX, 200, 500, or 800 Series I/O systems).

Documentation

For more information on use and installation of Quantum RIO, see Modicon Remote

I/O Cable System Planning and Installation Guide, Part Number 890USE10100.

For more information on Hot Standby systems, see the Quantum Hot Standby

Installation and Planning Guide, Part Number 840USE10600.

Single Cable RIO

Configuration

The following figure is an example of a single cable Quantum RIO configuration.

Note: As stated above, the Quantum provides connectivity to other Modicon I/O

products via the same system. It will connect to 800 series I/O via the J890, J892,

P890, or P892 remote I/O adapters; 200 series I/O via J290 and J291 remote I/O

adapters; 500 series I/O via 29X/J540 remote I/O adapters; and SY/MAX

8030CRM931.

I/OI/OI/O

RIO

Head

CPU

I/OI/OI/OI/OPS I/OI/OI/OI/OPS

Local I/O

Drop

RIO Tap RIO Tap

Up to 31 Drops

B800 Series Drop

RIO Tap

RIO

Drop

RIO

Drop

RIO Drop # m RIO Drop # n

P81 J890

Terminator

*A RIO tap is required for every RIO drop in the system.

This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com