Emerson OpenComms-485 Specifications

MONITORINGSITESCAN WEB SOLUTIONS GUIDE

Product Description42.2 Custom Software Development Determine the number of graphics necessary for the customer. By default, SiteScan Web includes a g

Product Description52.3 Gateway ModulesIn SiteScan Web, Liebert gateways route BACnet over IP traffic between Liebert gateways and the Web server. The

Product Description62.4 SiteLink ModulesA SiteLink module receives IGM protocol from Liebert environmental and power equipment and con-verts it to BAC

Product Description72.5 Site I/O ModulesA Site I/O module is used to interface to dry contacts or sensors, the types of connections required to monito

Product Description82.6 Stand-Alone Monitoring ModulesThe Liebert stand-alone monitoring modules include the RPMP, Universal Monitor and Liqui-tect Mo

Product Description92.7 Module Accessories2.7.1 GXEXP - Expander CableThe Site I/O Expander Cable is an 18-inch long or 24-inch long expander cable us

Product Description102.8 ARCnet Communication Enhancement DevicesIn SiteScan Web systems, ARCnet, or ARC156, is the standard for module-to-module comm

Product Description112.9 Third-Party InterfacesThe SiteTPI-E is designed to communicate with third-party equipment that uses Modbus or BACnet. Use a S

Application and Configuration123.0 APPLICATION AND CONFIGURATION3.1 Single-Site - SiteScan Web System Not on Customer’s Ethernet3.1.1 Target Applicati

Application and Configuration133.2 Multiple Data Centers in the Same Building3.2.1 Target ApplicationIn a typical application, a customer wants to mon

Application and Configuration143.3 Multiple Sites Using Customer’s Intranet3.3.1 Target ApplicationIn a typical application, a customer has multiple d

Application and Configuration153.4 Hierarchical Servers - SiteScan Web with WebCTRL3.4.1 Target ApplicationIn a typical application, a customer has a

Application and Configuration163.5 Redundant SiteScan Web Servers3.5.1 Target ApplicationIn a typical application, a customer wants to monitor two fac

Application and Configuration173.6 SiteScan Web and Rack Monitoring3.6.1 Target ApplicationIn a typical application, a customer has a data center that

Upgrading SiteScan 2000 Systems to SiteScan Web184.0 UPGRADING SITESCAN 2000 SYSTEMS TO SITESCAN WEBA SiteScan Web upgrade allows an existing SS2000 o

Upgrading SiteScan 2000 Systems to SiteScan Web194.1 Upgrade OverviewSiteScan Web Upgrade comes with all the same basic functionality as SiteScan Web.

Upgrading SiteScan 2000 Systems to SiteScan Web204.2 Upgrading SS2WA SiteScan Web upgrade of an existing SiteScan 2W system requires replacing each DC

Upgrading SiteScan 2000 Systems to SiteScan Web214.3 Upgrading SS2000W While Maintaining Existing WiringA SiteScan Web upgrade of an existing SiteScan

Upgrading SiteScan 2000 Systems to SiteScan Web224.4 Upgrading SS2000W to Full SiteScan WebA full SiteScan Web upgrade of an existing SiteScan 2000W s

Third-Party and Building Management Interfaces235.0 THIRD-PARTY AND BUILDING MANAGEMENT INTERFACESSiteScan Web monitoring products can provide multipl

iTABLE OF CONTENTS1.0 SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.1

Third-Party and Building Management Interfaces245.2 BACnet/IP to BMS Without a SiteScan Web Front-End5.2.1 Target ApplicationA typical application mig

Third-Party and Building Management Interfaces255.3 BMS Front-End Interfacing to Liebert Equipment by EIA-485 ModbusModbus is an industry standard mea

Third-Party and Building Management Interfaces265.3.2 Port A—RS-232 to RS-485 ModbusIf the third-party device communicates using RS-232 point-to-point

Third-Party and Building Management Interfaces275.3.4 Combining SSWEB and ModbusIt is possible to have a Modbus system communicating to a SiteScan Web

Third-Party and Building Management Interfaces285.4 SiteTPI-E with OpenComms NIC (or OpenComms 485)Customer has installed OpenComms NIC cards in Liebe

Third-Party and Building Management Interfaces295.5 Basic SiteTPI-E with Third-Party EquipmentCustomer wants to monitor third-party equipment with Sit

Third-Party and Building Management Interfaces305.6 SiteTPI-E and Third-Party Equipment with Different Modbus ProtocolCustomer wants to monitor third-

ARCnet156316.0 ARCNET1566.1 ARCnet156 CMnet ComponentsThe SSWEB-Liebert gateways and control modules communicate using ARCnet156, a token-passing prot

ARCnet156326.3 TerminationsAt 156 Kbps, a signal reaching the end of an unterminated cable can echo, or reflect back, creating a distortion in the sig

ARCnet156336.5 Cable ShieldsConnect the shields as shown in Figure 23. The shields should be connected at each module’s shield connection terminal.Do

ii3.0 APPLICATION AND CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123.1 Single-Site - SiteScan Web

ARCnet156346.7 Upgrading to ARC156Before upgrading a legacy CMnet to ARC156, you must:• Ensure adequate wiring. See 6.4 - Wiring Recommendations for d

Wiring Guidelines357.0 WIRING GUIDELINESTable 22 Standard SiteScan Web wiringApplication Max. Cable Length Cable RecommendationARC156 CMnet 2000 ft.

Wiring Guidelines36NOTES

Terminology37APPENDIX A-TERMINOLOGYARCnetThe protocol used for communications between the Liebert gateway and the Liebert control modules. This is a t

Terminology38Liebert GatewayAlso referred to as a router, the Liebert gateway routes information between the Web server and the Liebert control module

Terminology39RouterA device that forwards data packets from one local area network (LAN) or wide area network (WAN) to another. Based on routing table

Terminology40NOTES

The Company Behind the ProductsWith over a million installations around the globe,Liebert is the world leader in computer protectionsystems. Since its

iii5.0 THIRD-PARTY AND BUILDING MANAGEMENT INTERFACES . . . . . . . . . . . . . . . . . . . . . . . . .235.1 SiteScan Web and BACnet/IP to BMS . . .

ivFIGURESFigure 1 Single-site - SiteScan Web system not on customer’s Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . 12Figure 2 Multi

System Overview11.0 SYSTEM OVERVIEWSiteScan Web uses a network of microprocessor-based control modules to monitor and control Liebert air, power, UPS

System Overview21.2 Typical SiteScan Web SystemA typical SiteScan Web system may include the components shown in the figure below.Site I/O 16/16Third-

Product Description32.0 PRODUCT DESCRIPTION2.1 Application SoftwareSiteScan Web is based on server/thin-client architecture, designed around the open