Siemens DTU3005-B Especificaciones descargar pdf (Pagina 20)

Alternate cable lengths available by special order. Contact your local sales office for details.

Multiplexer/Translator (MT)

The Multiplexer/Translator is a mini-computer that collects data

from different components integrated into the ACCESS communi-

cations system and transmits the data to other components in the

system. The Multiplexer/Translator can receive data from as many

as eight (8) field devices and multiple Multiplexer/ Translators can

be connected together as required via MTC cables.

A Multiplexer/Translator (MTZ) and Expansion Plug are required

whenever Zone Selective Interlocking is specified for any trip unit.

A Multiplexer/Translator (MTA) and Expansion Plug are required for

the Type “TL” trip unit when full ACCESS™ communications is spec-

ified. The MTA also has Zone Selective Interlocking capability. Refer

to Bulletin IPIM-2211A for additional information.

Catalog Number MTZ

MT For Zone Selective Interlocking (ZSI) Only

Catalog Number MTA

MT Full Access Communications Plus Zone Selective

Interlocking

Always required for Zone Interlocking.

Required for Type “TL” Trip Unit when ACCESS Communications and Zone

Selective Interlocking (ZSI) is specified.

External Accessories and ACCESS

™

Communications

Local Display Unit (LDU)

The LDU provides a central viewing point for up to 32 ACCESS

devices, including SB Trip Units, Sensitrip MCCB Trip Units and

4300 Power Meters. The display features a 4x20 backlit LCD

read-out of real-time metering and configuration data. The device

is menu driven and features a “self learn” mode to automatically

configure itself for the ACCESS devices on the network. Panel-

mountable for switchboard applications, with simple 2-wire

RS-485 communication connectivity.

Description Catalog Number

Local Display Unit

LDU-100

Catalog Number Description

MTCSB08 Telephone cable, 8’, used between Expansion Plug and Multiplexer/Translator

MTCSB15 Telephone cable, 15’, used between Expansion Plug and Multiplexer/Translator

MTCSB25 Telephone cable, 25’, used between Expansion Plug and Multiplexer/Translator

MTC08 Telephone cable, 8’ used between multiple Multiplexer/Translators

MTC15 Telephone cable, 15’ used between multiple Multiplexer/Translators

MTC25 Telephone cable, 25’ used between multiple Multiplexer/Translators

Cables and Connectors

ACCESS communications system components can be connected together using standard, commercially available cables and connectors.

Refer to Information and Instruction Guide IPIM-2211A for specific cable and connector specifications and requirements. Cables and con-

nectors can be ordered per the table below. Select longer length when unsure of mounting configuration.

Catalog Number SBAPM

Expansion Plug

The Expansion Plug is an electronic interface and isolation module

necessary to integrate a breaker into an ACCESS System. One

Expansion Plug is required for each circuit breaker in the system

and is used to interface SB Breaker trip units to the Multiplex/

Translator. The Expansion Plug is always

necessary for zone inter-

locking or full ACCESS communications for the Type TL trip unit.

An Expansion Plug is not required for ACCESS communications

using the SB-EC Trip Unit but is required for zone interlocking.

Factory or Siemens Field Service field installable only.

Type “TL” Trip Unit Auxiliary Power Module

A device used to bring power into the SB breaker type “TL”

electronic trip unit only so that the trip unit can be tested via the

integral testing functions when the breaker is withdrawn from the

Stationery Drawout Element. It is required to trip the breaker’s

shunt trip when no primary power is applied to the breaker or

when “bench testing” the electronic trip unit.

Communication and Zone Selective Interlocking Component

Selection Guide

Required Accessory Trip Unit and Application

“TL” for Access

SB-EC “TL” Communications

for ZSI

for ZSI and/or ZSI

MTZ

MTA

EPSBxxMK

MTCSBxxCable

XX X

One EP required per Trip Unit when specified.

No additional components are required for the SB-EC Trip Unit to communi-

cate over the ACCESS Bus.

The MTA can also accommodate an SB-EC Trip Unit for ZSI functionality.

Replace xx in catalog number with 08, 15 or 25 for required cable length of

8’, 15’ or 25’ respectively. One cable required per EP when specified.

One MTA or MTZ can accommodate eight trip units. Multiple MT’s can be

connected via MTC cables.

Type of 800-2000A 3200, 4000-5000A

Mounting Cat. No.

Cat. No.

Fixed EPSBFMK EPSB4FMK

Drawout EPSBDMK EPSB4DMK

Available 3/99.

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