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Trusted

PD-T8821

Issue 6 Feb 08 PD-T8821 1

Trusted

40 Channel 120Vdc

Digital Input FTA

Introduction

The Trusted

40 Channel 120Vdc Digital Input FTA T8821 is designed to act as the main interface

between a field device generating a digital signal and the Trusted

TMR 120V dc Digital Input Module

T8423.

Features

• 40 input channels per FTA.

• Industry standard field device connections (2-wire).

• Standard DIN rail compatibility.

• Simple installation and connection.

• 120V dc operation.

• SmartSlot connection for ‘one to many’ hot replacement of input modules.

• Fused field power supply per channel.

• On-board LED indication field power supply integrity.

Summary of content (14 pages)

PAGE 1
TrustedTM PD-T8821 TrustedTM 40 Channel 120Vdc Digital Input FTA Introduction TM The Trusted 40 Channel 120Vdc Digital Input FTA T8821 is designed to act as the main interface TM between a field device generating a digital signal and the Trusted TMR 120V dc Digital Input Module T8423. Features • 40 input channels per FTA. • Industry standard field device connections (2-wire). • Standard DIN rail compatibility. • Simple installation and connection. • 120V dc operation.
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TrustedTM 120Vdc Digital Input FTA T8821 Issue Record Issue Number Date Revised by 5 Sep 05 J W Clark 6 Feb 08 N Owens Issue 6 Feb 08 Technical Check Authorised by Modification Format A Holgate PD-T8821 P Stock Voltage warning 2
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TrustedTM 120Vdc Digital Input FTA T8821 Figure 1 T8821 Layout Issue 6 Feb 08 PD-T8821 3
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TrustedTM 120Vdc Digital Input FTA T8821 Table of Contents 1. Description ...................................................................................................................................7 2. Installation....................................................................................................................................8 3. Associated Cable Selection .........................................................................................................8 4.
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TrustedTM 120Vdc Digital Input FTA T8821 Notice The content of this document is confidential to ICS Triplex Technology Ltd. companies and their partners. It may not be given away, lent, resold, hired out or made available to a third party for any purpose without the written consent of ICS Triplex Technology Ltd. This document contains proprietary information that is protected by copyright. All rights are reserved.
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TrustedTM 120Vdc Digital Input FTA T8821 Revision and Updating Policy All new and revised information pertinent to this document shall be issued by ICS Triplex Technology Ltd. and shall be incorporated into this document in accordance with the enclosed instructions. The change is to be recorded on the Amendment Record of this document.
PAGE 7
TrustedTM 120Vdc Digital Input FTA T8821 1. Description TM The Trusted 40 Channel 120Vdc Digital Input FTA T8821 provides termination for a maximum of 40 input channels from various types of field devices which generate a digital input. Figure 2 below shows the configuration of a single channel. Figure 2 Single Channel Schematic The supply for the field is derived from dual 120V dc feeds which are ‘commoned’ via diodes on the FTA.
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TrustedTM 120Vdc Digital Input FTA T8821 2. Installation TM Trusted 40 Channel 120Vdc Digital Input FTA T8821 is designed to be mounted on either of the TS32 or TS35 DIN rails in the horizontal or vertical positions as required. 3.
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TrustedTM 120Vdc Digital Input FTA T8821 4. Assembly Pinout Connections 4.1. PWR TB Connections Pin Service 1 120V-A 2 120V-B 3 0V 4 0V 5 120V (auxiliary supply for use when required) Table 1 PWR TB Connections 4.2.
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TrustedTM 120Vdc Digital Input FTA T8821 4.3.
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TrustedTM 120Vdc Digital Input FTA T8821 4.4.
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TrustedTM 120Vdc Digital Input FTA T8821 5. Specifications Voltage Range 90 to 140V dc Fuses 40-off 50mA Maximum Current (Field Supply) 1mA Power Consumption (Field Supply) 0.125W Operating Temperature -50C to 600C (230F to 1400F) Non-operating Temperature -250C to 700C (-130F to 1580F) Operating Humidity 5 to 95% RH Environmental Specifications Refer to Document 552517 Dimensions Height Width Depth 111mm (4.4ins) 335mm (13.
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TrustedTM 120Vdc Digital Input FTA T8821 This page is intentionally blank Issue 6 Feb 08 PD-T8821 13
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