Rockwell Automation T8841 User Manual

TrustedTM

PD-T8841

TM

Trusted

8 Channel RTD FTA

Introduction

M

The Trusted
to eight Platinum 100R RTD sensors which may be connected using two or 3-wire configurations.

Each RTD FTA channel may be configured to provide either a scaled current output in the range of
4-20mA, or a scaled voltage output in the range of 1-5V dc. The RTD FTA also provides sensor
excitation and linearisation for each channels.

T

8 Channel RTD FTA T8841 provides an interface between a Trusted

Features

• Eight input channels per RTD FTA

M

T

System and up

• Industry standard field device connections

• Standard DIN rail compatibility

• Simple installation and connection

• 24V dc operation

• Configurable 2 or 3-wire inputs

• Configurable current or voltage output

Issue 6 Nov 07 PD-T8841 1

Trusted

Issue Record

Issue

Number Date Revised by Technical CheckAuthorised by Modification

5 Sep 05 J W Clark Format

6 Nov 07 N Owens A Holgate P Stock Cable advice

TM

RTD FTA T8841

Issue 6 Nov 07 PD-T8841 2

Trusted

TM

RTD FTA T8841

Figure 1 T8841 Layout

Issue 6 Nov 07 PD-T8841 3

Trusted

TM

RTD FTA T8841

Table of Contents

1. Description ...................................................................................................................................7

2. System Functions ........................................................................................................................8

2.1. Zero, Gain & Linearisation ...........................................................................................................8

3. Installation....................................................................................................................................8

3.1. Cable Selection ............................................................................................................................8

4. Assembly Pinout Connections ...................................................................................................11

4.1. RTD1 to RTD8 ...........................................................................................................................11

4.2. IOIF............................................................................................................................................11

4.3. PWR ..........................................................................................................................................11

5. Link Assignments.......................................................................................................................12

5.1. Two Wire Operation...................................................................................................................12

5.2. Voltage Output ...........................................................................................................................12

5.3. Measurement range 0 to 1000C.................................................................................................13

5.4. Measurement range 0 to 3000C.................................................................................................13

6. Specifications.............................................................................................................................14

Figures

Figure 1 T8841 Layout..............................................................................................................................3

Figure 2 Single Channel Circuit ................................................................................................................7

Figure 3 Typical configuration...................................................................................................................9

Figure 4 Configuration using VFTA ........................................................................................................10

Table s

Table 1 RTD Connections ......................................................................................................................11

Table 2 IOIF Connections.......................................................................................................................11

Table 3 PWR Connections .....................................................................................................................11

Table 4 Two Wire Link Assignments ......................................................................................................12

Table 5 Voltage Output Link Assignments .............................................................................................12

Table 6 Range 0 to 100 deg C Link Assignments ..................................................................................13

Table 7 Range 0 to 300 deg C Link Assignments ..................................................................................13

Issue 6 Nov 07 PD-T8841 4

Trusted

TM

RTD FTA T8841

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.

Microsoft, Windows, Windows 95, Windows NT, Windows 2000, and Windows XP are registered
trademarks of Microsoft Corporation.

The information contained in this document is subject to change without notice. The reader should, in
all cases, consult ICS Triplex Technology Ltd. to determine whether any such changes have been
made. From time to time, amendments to this document will be made as necessary and will be
distributed by ICS Triplex Technology Ltd.

Information in this documentation set may be subject to change without notice and does not represent
a commitment on the part of ICS Triplex Technology Ltd.

The contents of this document, which may also include the loan of software tools, are subject to the
confidentiality and other clause(s) within the Integrator Agreement and Software License Agreement.

No part of this documentation may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying and recording, for any purpose, without the express
written permission of ICS Triplex Technology Ltd.

Disclaimer

The illustrations, figures, charts, and layout examples in this manual are intended solely to illustrate the
text of this manual.

The user of, and those responsible for applying this equipment, must satisfy themselves as to the
acceptability of each application and use of this equipment.

This document is based on information available at the time of its publication. While efforts have been
made to be accurate, the information contained herein does not purport to cover all details or variations
in hardware or software, nor to provide for every possible contingency in connection with installation,
operation, or maintenance. Features may be described herein which are present in all hardware or
software systems. ICS Triplex Technology Ltd. assumes no obligation of notice to holders of this
document with respect to changes subsequently made.

ICS Triplex Technology Ltd. makes no representation or warranty, expressed, implied, or statutory with
respect to, and assumes no responsibility for the accuracy, completeness, sufficiency, or usefulness of
the information contained herein. No warranties of merchantability or fitness for purpose shall apply.

Issue 6 Nov 07 PD-T8841 5