Emerson OpenComms-485 Spezifikationen PDF herunterladen (Seite 30)

Third-Party and Building Management Interfaces

5.2 BACnet/IP to BMS Without a SiteScan Web Front-End

5.2.1 Target Application

A typical application might be:

• Customer has a BMS front-end and does not want a SiteScan Web front-end.

• Two new computer rooms need to be monitored by BMS.

• Each computer room will have the following:

• 3 Liebert environmental units

• 1 STS2/PDU

• 2 NPower UPSs

• 4 analog sensors

• 2 strobe lights for alarm conditions

• One local user is allowed.

5.2.2 Description

This configuration is ideal for customers who have a current investment within their BMS and do not

want another front-end for monitoring. The SiteGate-E gateway module natively communicates

BACnet/IP to the SiteScan Web front-end. This same protocol is available to any BMS front-end that

supports BACnet/IP.

5.2.3 Bill of Materials

Figure 11 BACnet/IP to BMS without SiteScan Web front-end

Table 13 Bill of materials: BACnet/IP to BMS (without SSWeb front-end)

Qty. Mktg. P/N Description

2 SITEGATE-E 32-bit Ethernet-ready gateway module

8 XFMR24 Transformers for 120/24VAC module power supply

2 SITELINK-12 SiteScan interface module to 12 Liebert units

2 ARC156-KIT PROT485, DIAG485 and terminating resistors with enclosure

2 SITEIO1616 Site I/O module, 16 universal inputs and 16 digital outputs

Note: The bill of materials does not include LGS startup part numbers. Most LGS startup part

numbers are added automatically when ordering.

Ethernet

SiteGate-E

SiteIO 16/16

ARC156-Kit

SiteLink-12

Computer Room 1

BMS

front-end

SiteGate-E

SiteIO 16/16

ARC156-Kit

SiteLink-12

Computer Room 2

Ethernet

BMS

front-end

BACnet/IP

BMS

equipment

EXISTING

SYSTEM

UPGRADED

SYSTEM

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 47 48

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