TrustedTM
PD-T8801
TM
Trusted
40 Channel 24Vdc Digital Input
FTA Non Incendive
Introduction
The TrustedTM 40 Channel 24Vdc Digital Input FTA Non Incendive is designed to act as the main
interface between a nonincendive field device in a hazardous area generating a digital signal and the
TrustedTM TMR 24V dc Digital Input Module T8403.
Features
• 40 input channels per FTA.
• Industry standard field device connections (2-wire).
• Limited power for connection to nonincendive field wiring.
• Standard DIN rail compatibility.
• Simple installation and connection.
• 24V dc operation.
• Fused field power supply per channel On-board LED indication field power supply
integrity
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Issue Record
Issue
Number Date Revised by Technical Check Authorised by Modification
6 Sep 05 J W Clark Format
7 Jul 12 N Owens Corrections to diagram
TM
24Vdc Digital Input FTA T8801
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SK2 Redundant
TB1
PWR TB
TB2
SK1
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24Vdc Digital Input FTA T8801
Figure 1 T8801 Layout
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24Vdc Digital Input FTA T8801
Table of Contents
1. Description ................................................................................................................................... 7
2. Installation .................................................................................................................................... 8
3. Associated Cable Selection ......................................................................................................... 8
4. Assembly Pinout Connections ..................................................................................................... 9
4.1. PWR TB Connections .................................................................................................................. 9
4.2. TB1 (Auxiliary Input) Connections ............................................................................................... 9
4.3. TB2 (Field Terminals) Connections ........................................................................................... 10
4.4. SK1 Connections ....................................................................................................................... 11
5. Specifications ............................................................................................................................. 12
Figures
Figure 1 T8801 Layout .............................................................................................................................. 3
Figure 2 Single Channel Schematic ......................................................................................................... 7
Tables
Table 1 PWR TB Connections ................................................................................................................. 9
Table 2 TB1 (Auxiliary Input) Connections ............................................................................................... 9
Table 3 TB2 (Field Terminals) Connections ........................................................................................... 10
Table 4 SK1 Connections ....................................................................................................................... 11
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24Vdc Digital Input FTA T8801
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 W indows 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.
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24Vdc Digital Input FTA T8801
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.
Precautionary Information
WARNING
Warning notices call attention to the use of materials, processes, methods, procedures or limits which
must be followed precisely to avoid personal injury or death.
CAUTION
Caution notices call attention to methods and procedures which must be followed to avoid damage to
the equipment.
Notes:
Notes highlight procedures and contain information to assist the user in the understanding of the
information contained in this document
Warning
RADIO FREQUENCY INTERFERENCE
Most electronic equipment is influenced by Radio Frequency Interference (RFI). Caution should be
exercised with regard to the use of portable communications equipment around such equipment.
Signs should be posted in the vicinity of the equipment cautioning against the use of portable
communications equipment.
MAINTENANCE
Maintenance must be performed only by qualified personnel, otherwise personal injury or death, or
damage to the system may be caused.
Caution
HANDLING
Under no circumstances should the module housing be removed.
Associated Documents
Product Descriptions (PD) provide product specific information.
The Safety Manual contains the recommended safety requirements for the safety system design.
The PD8082B – Toolset Suite provides specific guidance on system configuration and application
generation.
The Operator and Maintenance Manual contains general guidelines on maintenance and diagnostic
procedures.
For technical support email: support@icstriplex.com
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24Vdc Digital Input FTA T8801
1. Description
The TrustedTM 40 Channel 24Vdc Digital Input FTA Non Incendive T8801 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 24V dc feeds which are ‘commoned’ via diodes on the
FTA. Indication of of the presence of the power supply is provided by a green LED. The supply is then
fed to each channel.
The supply voltage to the field is fed via the 220R resistor. This effectively limits the current in the field
loop allowing inputs from nonincendive field devices located in hazardous areas. The incoming signal
(digital) from the field device is fed directly to the digital input module. Line monitoring components (if
required) provide the necessary thresholds used by the input module to detect the field loop/device
status, i.e. open/short circuit, alarm etc.
The cable linking the 40 channels on the input module to the FTA is terminated at the 96-way socket
SK1. The dual dc field power supplies are connected to the FTA via a 5-way terminal block PWR TB.
The input signals from the field (40-off) are connected by 2-wire arrangements terminated on 12-off
3-way terminal blocks and 2-off 2-way.
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24Vdc Digital Input FTA T8801
2. Installation
TrustedTM 40 Channel 24Vdc Digital Input FTA Non Incendive T8801 is designed to be mounted on
either of the TS32 or TS35 DIN rails in the horizontal or vertical positions as required.
3. Associated Cable Selection
Refer to the product descriptions detailed below:
PD-TC000 TrustedTM Power Cables
PD-TC200 TrustedTM I/O Companion Slot Cables
PD-TC500 TrustedTM I/O SmartSlot Cables
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24Vdc Digital Input FTA T8801
4. Assembly Pinout Connections
4.1. PWR TB Connections
Pin Service
1 24V-A
2 24V-B
3 0V
4 0V
5 24V (auxiliary supply for
use when required)
Table 1 PWR TB Connections
4.2. TB1 (Auxiliary Input) Connections
Pin Service
1 Chan 0 (not configured)
2 Chan 41(not configured)
Table 2 TB1 (Auxiliary Input) Connections
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24Vdc Digital Input FTA T8801
4.3. TB2 (Field Terminals) Connections
Pin ServiceC Pin Service
1 Chan 1 24V dc field supply 2 Chan 1 signal from field
3 Chan 2 24V dc field supply 4 Chan 2 signal from field
5 Chan 3 24V dc field supply 6 Chan 3 signal from field
7 Chan 4 24V dc field supply 8 Chan 4 signal from field
9 Chan 5 24V dc field supply 10 Chan 5 signal from field
11 Chan 6 24V dc field supply 12 Chan 6 signal from field
13 Chan 7 24V dc field supply 14 Chan 7 signal from field
15 Chan 8 24V dc field supply 16 Chan 8 signal from field
17 Chan 9 24V dc field supply 18 Chan 9 signal from field
19 Chan 10 24V dc field supply 20 Chan 10 signal from field
21 Chan 11 24V dc field supply 22 Chan 11 signal from field
23 Chan 12 24V dc field supply 24 Chan 12 signal from field
25 Chan 13 24V dc field supply 26 Chan 13 signal from field
27 Chan 14 24V dc field supply 28 Chan 14 signal from field
29 Chan 15 24V dc field supply 30 Chan 15 signal from field
31 Chan 16 24V dc field supply 32 Chan 16 signal from field
33 Chan 17 24V dc field supply 34 Chan 17 signal from field
35 Chan 18 24V dc field supply 36 Chan 18 signal from field
37 Chan 19 24V dc field supply 38 Chan 19 signal from field
39 Chan 20 24V dc field supply 40 Chan 20 signal from field
41 Chan 21 24V dc field supply 42 Chan 21 signal from field
43 Chan 22 24V dc field supply 44 Chan 22 signal from field
45 Chan 23 24V dc field supply 46 Chan 23 signal from field
47 Chan 24 24V dc field supply 48 Chan 24 signal from field
49 Chan 25 24V dc field supply 50 Chan 25 signal from field
51 Chan 26 24V dc field supply 52 Chan 26 signal from field
53 Chan 27 24V dc field supply 54 Chan 27 signal from field
55 Chan 28 24V dc field supply 56 Chan 28 signal from field
57 Chan 29 24V dc field supply 58 Chan 29 signal from field
59 Chan 30 24V dc field supply 60 Chan 30 signal from field
61 Chan 31 24V dc field supply 62 Chan 31 signal from field
63 Chan 32 24V dc field supply 64 Chan 32 signal from field
65 Chan 33 24V dc field supply 66 Chan 33 signal from field
67 Chan 34 24V dc field supply 68 Chan 34 signal from field
69 Chan 35 24V dc field supply 70 Chan 35 signal from field
71 Chan 36 24V dc field supply 72 Chan 36 signal from field
73 Chan 37 24V dc field supply 74 Chan 37 signal from field
75 Chan 38 24V dc field supply 76 Chan 38 signal from field
77 Chan 39 24V dc field supply 78 Chan 39 signal from field
79 Chan 40 24V dc field supply 80 Chan 40 signal from field
Table 3 TB2 (Field Terminals) Connections
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24Vdc Digital Input FTA T8801
4.4. SK1 Connections
1 Smart Slot Link C Smart Slot Link B Smart Slot Link A
2
3 Chan 28 (+) Chan 14 (+) Chan 0 (+)
4 Chan 28 (+) Chan 14 (+) Chan 0 (+)
5 Chan 29 (+) Chan 15 (+) Chan 1 (+)
6 Chan 29 (+) Chan 15 (+) Chan 1 (+)
7 Chan 30 (+) Chan 16 (+) Chan 2 (+)
8 Chan 30(+) Chan 16 (+) Chan 2 (+)
9 0V 0V 0V
10 Chan 31 (+) Chan 17 (+) Chan 3 (+)
11 Chan 31 (+) Chan 17 (+) Chan 3 (+)
12 Chan 32 (+) Chan 18 (+) Chan 4 (+)
13 Chan 32 (+) Chan 18 (+) Chan 4 (+)
14 Chan 33 (+) Chan 19 (+) Chan 5 (+)
15 Chan 33 (+) Chan 19 (+) Chan 5 (+)
16 Chan 34 (+) Chan 20 (+) Chan 6 (+)
17 Chan 34 (+) Chan 20 (+) Chan 6 (+)
18 Chan 35 (+) Chan 21 (+) Chan 7 (+)
19 Chan35 (+) Chan 21 (+) Chan 7 (+)
20 0V 0V 0V
21 Chan 36 (+) Chan 22 (+) Chan 8 (+)
22 Chan 36 (+) Chan 22 (+) Chan 8 (+)
23 Chan 37 (+) Chan 23 (+) Chan 9 (+)
24 Chan 37 (+) Chan 23 (+) Chan 9 (+)
25 Chan 38 (+) Chan 24 (+) Chan 10 (+)
26 Chan 38 (+) Chan 24 (+) Chan 10 (+)
27 Chan 39 (+) Chan 25 (+) Chan 11 (+)
28 Chan 39 (+) Chan 25 (+) Chan 11 (+)
29 Chan 40 (+) Chan 26 (+) Chan 12 (+)
30 Chan 40 (+) Chan 26 (+) Chan 12 (+)
31 Chan 41 (+) Chan 27 (+) Chan 13 (+)
32 Chan 41 (+) Chan 27 (+) Chan 13 (+)
C B A
Table 4 SK1 Connections
Socket SK2 is unused.
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24Vdc Digital Input FTA T8801
5. Specifications
Voltage Range
Maximum Normal Output Current Isc (Field
Supply)
Maximum Normal Output Voltage Voc (Field
Supply)
Maximum External Capacitance C
Maximum External Inductance L
Operating Temperature
Non-operating Temperature
Operating Humidity
Environmental Specifications
Dimensions
Height
Width
Depth
Weight
18 to 32V dc (not 48VDC)
12mA
32V as voltage range above
a
a
5µF for methane, 0.3µF for groups
A and B, in accordance with
AANSI/ISA 12.12.01-2000
100mH for methane or group B, in
accordance with AANSI/ISA
12.12.01-2000
-50C to 600C (230F to 1400F)
-250C to 700C (-130F to 1580F)
5 to 95% RH non-condensing.
Refer to Document 552517
111mm (4.4ins)
335mm (13.2ins)
51mm (2ins)
900gms (2lbs)
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24Vdc Digital Input FTA T8801
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