Rockwell Automation Trusted TMR 120 User manual

ICSTT-RM450C-EN-P (PD-T8424) Trusted
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11
Trusted TMR 120 Vac Digital Input Module 40
Channel
Product Overview
The Trusted® TMR 120 Vac Digital Input interfaces to 40 field input devices. Fault tolerance is
achieved through a Triple Modular Redundant (TMR) architecture within the Module for each of
the 40 input channels.
Each field input is triplicated and the input voltage is measured using a sigma-delta input circuit.
The field voltage signal is digitally processed to compute the alternating current (ac) amplitude,
which is compared to fixed threshold voltages to determine the reported field input state. The
triplicated voltage measurements, coupled with on-board diagnostic testing, provide
comprehensive fault detection and tolerance.
The Module provides on-board Sequence of Events (SOE) reporting with a resolution of 1 ms. A
change of state triggers an SOE entry. States for each channel are determined by comparing the
input signal amplitude with fixed voltage thresholds on a per channel basis.
Features:
•40 Triple Modular Redundant (TMR) input channels per Module.
•Comprehensive, automatic diagnostics and self-test.
•2500 V impulse withstand opto/galvanic isolation barrier.
•On-board Sequence of Events (SOE) reporting with 1 ms resolution.
•Module can be hot-replaced on-line using dedicated Companion (adjacent) Slot or SmartSlot
(one spare slot for many Modules) configurations.
•Front Panel input status Light Emitting Diodes (LEDs) for each channel indicate input status
and open inputs.
•Front Panel Module status LEDs indicate Module health and operational mode (Active,
Standby, Educated).

Trusted ICSTT-RM450C-EN-P
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11
•TϋV Certified IEC 61508 SIL 3.
•Dedicated Field Termination Assembly (FTA).

Trusted TMR 120 Vac Digital Input Module 40 Channel PREFACE
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 i
PREFACE
In no event will Rockwell Automation be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment. The examples given in this manual are
included solely for illustrative purposes. Because of the many variables and requirements related to
any particular installation, Rockwell Automation does not assume responsibility or reliability for
actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, with respect to use of information, circuits,
equipment, or software described in this manual.
Allen-Bradley, LISTEN. THINK. SOLVE., Rockwell Automation, TechConnect, and Trusted are
trademarks of Rockwell Automation, Inc.
All trademarks are acknowledged.
DISCLAIMER
It is not intended that the information in this publication covers every possible detail about the
construction, operation, or maintenance of a control system installation. You should also refer to
your own local (or supplied) system safety manual, installation and operator/maintenance manuals.
REVISION AND UPDATING POLICY
This document is based on information available at the time of its publication. The document
contents are subject to change from time to time. The latest versions of the manuals are available at
the Rockwell Automation Literature Library under "Product Information" information "Critical
Process Control & Safety Systems".
TRUSTED RELEASE
This technical manual was updated for Trusted Release 4.0.
LATEST PRODUCT INFORMATION
For the latest information about this product review the Product Notifications and Technical Notes
issued by technical support. Product Notifications and product support are available at the Rockwell
Automation Support Centre at
http://rockwellautomation.custhelp.com
At the Search Knowledgebase tab select the option "By Product" then scroll down and select the
Trusted product.
Some of the Answer ID’s in the Knowledge Base require a TechConnect℠Support Contract. For more
information about TechConnect Support Contract Access Level and Features, click on the following
link:
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/50871
This will get you to the login page where you must enter your login details.

PREFACE Trusted TMR 120 Vac Digital Input Module 40 Channel
ii Issue 11 Rockwell Automation Publication ICSTT-RM450C-EN-P
IMPORTANT A login is required to access the link. If you do not have an account then you can create one
using the "Sign Up" link at the top right of the web page.
DOCUMENTATION FEEDBACK
Your comments help us to write better user documentation. If you discover an error, or have a
suggestion on how to make this publication better, send your comment to our technical support
group at http://rockwellautomation.custhelp.com

Trusted TMR 120 Vac Digital Input Module 40 Channel PREFACE
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 iii
SCOPE
This manual specifies the maintenance requirements and describes the procedures to assist
troubleshooting and maintenance of a Trusted system.
WHO SHOULD USE THIS MANUAL
This manual is for plant maintenance personnel who are experienced in the operation and
maintenance of electronic equipment and are trained to work with safety systems.
SYMBOLS
In this manual we will use these notices to tell you about safety considerations.
SHOCK HAZARD: Identifies an electrical shock hazard. If a warning label is fitted, it
can be on or inside the equipment.
WARNING: Identifies information about practices or circumstances that can cause
an explosion in a hazardous environment, which can cause injury or death,
property damage or economic loss.
ATTENTION: Identifies information about practices or circumstances that can cause
injury or death.
CAUTION: Identifies information about practices or circumstances that can cause
property damage or economic loss.
BURN HAZARD: Identifies where a surface can reach dangerous temperatures. If a
warning label is fitted, it can be on or inside the equipment.
This symbol identifies items which must be thought about and put in place when
designing and assembling a Trusted controller for use in a Safety Instrumented
Function (SIF). It appears extensively in the Trusted Safety Manual.
IMPORTANT Identifies information that is critical for successful application and understanding of
the product.
NOTE Provides key information about the product or service.
TIP Tips give helpful information about using or setting up the equipment.

PREFACE Trusted TMR 120 Vac Digital Input Module 40 Channel
iv Issue 11 Rockwell Automation Publication ICSTT-RM450C-EN-P
WARNINGS AND CAUTIONS
WARNING: EXPLOSION RISK
Do not connect or disconnect equipment while the circuit is live or unless the area is
known to be free of ignitable concentrations or equivalent
AVERTISSEMENT - RISQUE D’EXPLOSION
Ne pas connecter ou déconnecter l’équipement alors qu’il est sous tension, sauf si
l’environnement est exempt de concentrations inflammables ou équivalente
MAINTENANCE
Maintenance must be carried out only by qualified personnel. Failure to follow these
instructions may result in personal injury.
CAUTION: RADIO FREQUENCY INTERFERENCE
Most electronic equipment is influenced by Radio Frequency Interference. 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.
CAUTION:
The Module PCBs contains static sensitive components. Static handling precautions
must be observed. DO NOT touch exposed connector pins or attempt to dismantle a
Module.

Trusted TMR 120 Vac Digital Input Module 40 Channel PREFACE
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 v
ISSUE RECORD
Issue Date Comments
9 Jun 16 Rebranded and reformatted with correction to Relative Humidity Range
and Operating Temperature statements in the Specification Section, also
any typographical errors
10 Mar 17 Front Panel image (Figure 5) updated to show new label and to show the
Module and not just the label.
In Specifications section, "Field Common Isolation" changed to "Field
Common Insulation".
11 Jan 19 Updated Specification Table
Updated to display Rockwell Automation publication numbers.
Added trademarks statement.

PREFACE Trusted TMR 120 Vac Digital Input Module 40 Channel
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Trusted TMR 120 Vac Digital Input Module 40 Channel Table of Contents
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 1
Table of Contents
1. Description ............................................................................................................ 3
1.1. Field Termination Unit (FTU)...................................................................................................... 4
1.2. Field Interface Unit (FIU)............................................................................................................ 4
1.3. Host Interface Unit (HIU) ........................................................................................................... 5
1.4. Front Panel Unit (FPU) ............................................................................................................... 5
1.5. Line Monitoring Thresholds ....................................................................................................... 6
1.6. Housekeeping............................................................................................................................. 6
1.7. Fault Detection and Testing ....................................................................................................... 6
1.8. Sequence of Events Characteristics ........................................................................................... 7
2. Installation............................................................................................................8
2.1. Module Insertion/Removal ........................................................................................................ 8
2.2. Field Cable Selection .................................................................................................................. 8
2.3. Module Pin-out Connections ..................................................................................................... 9
2.4. Trusted Module Polarisation/Keying. ...................................................................................... 11
3. Application .......................................................................................................... 12
3.1. Module Configuration.............................................................................................................. 12
3.2. T8424 Complex Equipment Definition..................................................................................... 12
3.2.1. Rack 1: DI.......................................................................................................................... 14
3.2.2. Rack 2: STATE ................................................................................................................... 14
3.2.3. Rack 3: AI - Channel Field Voltage.................................................................................... 15
3.2.4. Rack 4: SPARE ................................................................................................................... 16
3.2.5. Rack 5: LINE_FLT............................................................................................................... 16
3.2.6. Rack 6: DISCREP................................................................................................................ 16
3.2.7. Rack 7: HKEEPING............................................................................................................. 17
3.2.8. Rack 8: Information .......................................................................................................... 19
3.3. Sequence of Events Configuration........................................................................................... 20
3.4. System.INI File Configuration................................................................................................... 21
4. Operation ............................................................................................................ 22
4.1. Front Panel ............................................................................................................................... 22
4.2. Module Status LEDs.................................................................................................................. 24
4.3. I/O Status LEDs......................................................................................................................... 25
5. Fault Finding and Maintenance............................................................................. 26
5.1. Fault Reporting......................................................................................................................... 26
5.2. Field Wiring Faults.................................................................................................................... 26

Table of Contents Trusted TMR 120 Vac Digital Input Module 40 Channel
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5.3. Module Faults .......................................................................................................................... 26
5.4. Companion Slot........................................................................................................................ 26
5.5. SmartSlot.................................................................................................................................. 27
5.6. Cold Start.................................................................................................................................. 27
5.7. Input Channel Calibration Check.............................................................................................. 28
5.8. Transfer between Active and Standby Modules...................................................................... 28
6. Specifications....................................................................................................... 30

Trusted TMR 120 Vac Digital Input Module 40 Channel 1. Description
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 3
1. Description
The Trusted TMR 120 Vac Digital Input is a member of the Trusted range of Input/Output
(I/O) Modules. All Trusted I/O Modules share common functionality and form. At the most
general level, all I/O Modules interface to the Inter-Module Bus (IMB) which provides power
and allows communication with the Trusted TMR Processor. In addition, all Modules have a
field interface that is used to connect to Module specific signals in the field. All Modules are
Triple Modular Redundant (TMR).
Figure 1 Module Architecture
The Trusted TMR 120 Vac Digital Input comprises of five sections: AC Digital Input Field
Termination Assembly (T8824), Host Interface Unit (HIU), the Field Interface Unit (FIU), the
Field Termination Unit (FTU) and the Front Panel Unit (or FPU). The T8824 is external to the
Module, connecting to it via an FTA cable, but it provides an integral part of the Module
functionality.

1. Description Trusted TMR 120 Vac Digital Input Module 40 Channel
4 Issue 11 Rockwell Automation Publication ICSTT-RM450C-EN-P
Figure 2 shows a simplified functional block diagram of the Trusted TMR 120 Vac Digital
Input Module.
Figure 2 Functional Block Diagram
1.1. Field Termination Unit (FTU)
The Field Termination Unit (FTU) is the section of the I/O Module that connects all three
FIUs to a single field interface. When installed in a Trusted Controller or Expander Chassis,
the FTU field connector interconnects to the I/O cable assembly attached at the rear of the
Chassis.
The SmartSlot link is passed from the HIU to the field connections via the FTU. These signals
go directly to the field connector and maintain isolation from the I/O signals on the FTU. The
SmartSlot link is the intelligent connection between Active and Standby Modules for co-
ordination during Module replacement.
1.2. Field Interface Unit (FIU)
The Field Interface Unit (FIU) is the section of the Module that contains the specific circuits
necessary to interface to the particular types of field I/O signals. Each Module has three
FIUs, one per slice. For the Trusted TMR 120 Vac Digital Input, each FIU contains an
individual analogue to digital converter (ADC) for each of the 40 field inputs.
The FIU isolates the power received from the HIU for supplying the analogue measurement
and digital interface circuitry. The FIU provides additional power conditioning for the
operational voltages required by the FIU circuitry. An isolated serial link connects each FIU
to one of the HIU slices.

Trusted TMR 120 Vac Digital Input Module 40 Channel 1. Description
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 5
The FIU also measures a range of on-board “housekeeping” signals that assist in monitoring
the performance and operating conditions of the Module. These signals include power
supply voltages, current consumption, on-board reference voltages, and board temperature.
1.3. Host Interface Unit (HIU)
The HIU is the point of access to the Inter-Module Bus (IMB) for the Module. It also provides
power distribution and local programmable processing power. The HIU is the only section of
the I/O Module to directly connect to the IMB Backplane. The HIU is common to most
Trusted I/O types and has type dependent and product range common functions. Each HIU
contains three independent slices, commonly referred to as A, B, and C.
All interconnections between the three slices incorporate isolation to help prevent any fault
interaction between the slices. Each slice is considered a Fault Containment Region (FCR), as
a fault on one slice has no effect on the operation of the other slices.
The HIU provides the following services common to the Modules in the family:
•High Speed Fault Tolerant Communications with the TMR Processor via the IMB
interface.
•FCR Interconnect Bus between slices to vote incoming IMB data and distribute
outgoing I/O Module data to the IMB.
•Optically isolated serial data interface to the FIU slices.
•Redundant power sharing of dual 24 Vdc chassis supply voltage and power
regulation for logic power to HIU circuitry.
•Magnetically isolated power to the FIU slices.
•Serial data interface to the FPU for Module status LEDs.
•SmartSlot link between Active and Standby Modules for co-ordination during
Module replacement.
•Digital Signal Processing to perform local data reduction and self-diagnostics.
•Local memory resources for storing Module operation, configuration, and field I/O
data.
•On-board housekeeping, which monitors reference voltages, current consumption
and board temperature.
1.4. Front Panel Unit (FPU)
The Front Panel Unit (FPU) comprises a Front Panel Termination Unit (FPTU) and a Front
Panel Display Unit (FPDU). The overall FPU contains the necessary connectors, switches,
logic, and LED indicators for the Front Panel. For every type of Trusted I/O Module, the FPU

1. Description Trusted TMR 120 Vac Digital Input Module 40 Channel
6 Issue 11 Rockwell Automation Publication ICSTT-RM450C-EN-P
contains the Slice Healthy, Active/Standby and Educated indicators (LEDs), and the Module
removal switches. Additional bi-colour LEDs provide status indication for the individual I/O
signals. Serial data interfaces connect the FPU to each of the HIU slices to control the LED
status indicators and monitor the Module removal switches.
1.5. Line Monitoring Thresholds
The T8424 Input Module provides thresholds on the AC input amplitude that are in
accordance with the requirements of IEC 61131-2 (sec 5.2.3). Amplitudes above 82 Vac are
reported as ON (state 4), and amplitudes below 26 Vac are reported as OFF (state 2). The
range between these two values provides the hysteresis.
States
Input Voltage
(RMS)
82V+/-10%26V+/-10%
2
4
Figure 3 Input Monitoring Thresholds
Line monitoring is not provided by the Module. Open field signals will be reported as OFF.
Shorted field loops will blow the excitation fuse and be reported as OFF. Open wires
between the FTA and the Module are detected and the signal state is reported as state ‘0’,
with the channel LED flashing red.
Note that the Threshold template which may be entered in the System.INI configuration is
not used by this Module and has no effect on the state discrimination.
1.6. Housekeeping
The Input Module automatically performs local measurements of several on-board signals
that can be used for detailed troubleshooting and verification of Module operating
characteristics. Measurements are made within each slice’s HIU and FIU
1.7. Fault Detection and Testing
Extensive diagnostics provide the automatic detection of Module faults. The TMR
architecture of the Output Module and the diagnostics performed verify the validity of all
critical circuits. Using the TMR architecture provides a Fault Tolerant method to withstand
the first fault occurrence on the Module and continue normal output controls without
interruption in the system or process. Faults are reported to the user through the Healthy
status indicators on the Front Panel of the Module and through the information reported to
the TMR Processor. Under normal operations all three Healthy indicators are green. When a

Trusted TMR 120 Vac Digital Input Module 40 Channel 1. Description
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 7
fault occurs, one of the Healthy indicators will be flashing red. It is recommended that this
condition is investigated and if the cause is within the Module, it should be replaced.
From the IMB to the field connector, the Input Module contains extensive fault detection
and integrity testing. As an input device, all testing is performed in a non-interfering mode.
Data input from the IMB is stored in redundant error-detecting RAM on each slice portion of
the HIU. Received data is voted on by each slice. All data transmissions include a
confirmation response from the receiver.
Between the HIU and FIU, there are optically isolated links for data and magnetic isolation
for power. The data link is synchronised and monitored for communication errors. Both the
FIU and HIU have on-board temperature sensors to characterise temperature-related
problems.
The power supplies for both the HIU and FIU boards are redundant, fully instrumented and
testable. Together, these assemblies form a Power Integrity Sub-system.
Each field input is connected to a single bit sigma-delta analogue to digital converter. These
circuits, one per channel on each slice, produce a digital output signal which is dynamic in
nature. Failures in the circuit components cause the signal to saturate to stuck-on or stuck-
off which is automatically detected. Hence, failures are rapidly diagnosed and located.
Latent faults are detected automatically by monitoring the amplitude and phase of a test
signal that is continuously injected into the front end, and removed from the measurement
as part of the digital signal processing. Each channel utilizes a test signal with a unique
phase, so crosstalk faults are quickly identified.
1.8. Sequence of Events Characteristics
The Input Module measures the field-input voltage amplitude, compares the value to the
pre-determined thresholds, and determines the state of the field input. The TMR Processor
synchronizes the real-time clocks for every Module slice in the system twice each second
using global broadcasts. An event occurs when the input transitions from one state to
another. When an input changes state, the on-board real-time clock value is recorded.
When the TMR Processor next reads data from the Input Module, the input state and real-
time clock values are retrieved. The TMR Processor uses this data to log the input state
change into the system Sequence of Events (SOE) log. The user may configure each input to
be included in the system SOE log. Full details of SOE are contained in Trusted Sequence of
Events and Process Historian Package, publication ICSTT-RM243 (PD-T8013).

Trusted TMR 120 Vac Digital Input Module 40 Channel 2. Installation
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 8
2. Installation
IMPORTANT The Module must be used together with the AC Digital Input FTA T8824.
2.1. Module Insertion/Removal
CAUTION:
The Module contains static sensitive parts. Static handling precautions must be
observed. Specifically ensure that exposed connector pins are not touched. Under no
circumstances should the Module housing be removed.
Before installation, visually inspect the Module for damage. Ensure that the Module housing
appears undamaged and inspect the I/O connector at the back of the Module for bent pins.
If the Module appears damaged or any pins are bent, do not install the Module. Do not try
to straighten bent pins. Return the Module for replacement.
Ensure that the Module is of the correct type.
Record the Module type, revision and serial number of the Module before installation.
To install the Module:
1. Ensure that the field cable assembly is installed and correctly located.
2. If I/O Module keys are used, verify that all keys are installed in the correct positions
and properly seated in their slots.
3. Release the ejector tabs on the Module using the release key. Ensure that the ejector
tabs are fully open.
4. Holding the ejectors, carefully insert the Module into the intended slot.
5. Push the Module fully home by pressing on the top and bottom of the Module fascia.
6. Close the Module ejectors, ensuring that they click into their locked position.
The Module should mount into the chassis with a minimum of resistance. If the Module
does not mount easily, do not force it. Remove the Module and check it for bent or
damaged pins. If the pins have not been damaged, try reinstalling the Module.
2.2. Field Cable Selection
The Chassis end of the T8424 field cables are fitted with a 96 way type ‘C’ connector housed
in either a single width hood (TC-523) if the system is configured as SmartSlot or double
hood (TC-223) if the system is configured as Companion Slot. The other end of the cable is

Trusted TMR 120 Vac Digital Input Module 40 Channel 2. Installation
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 9
fitted with one 7-way and five 10-way BLZF 3.5 series connectors enabling the cable to be
terminated at a T8824 FTA.
The field cables suitable for use with the Trusted TMR 120 Vac Digital Input are detailed in
Trusted TMR I/O SmartSlot Slot Cables, publication ICSTT-RM313 (PD-TC500) and Trusted
I/O Companion Slot Cables, publication ICSTT-RM311 (PD-TC200). Refer to types TC-523 or
TC-223.
2.3. Module Pin-out Connections
C B A
1 SmartSlot Link C SmartSlot Link B SmartSlot Link A
2
3Chan 28 (+) Chan 14 (+) Chan 0 (+)
4 Chan 28 (+) Chan 14 (+) Chan 0 (+)
5 Chan 29 (+) Chan 15 (+) Chan 1 (+)
6Chan 29 (+) Chan 15 (+) Chan 1 (+)
7Chan 30 (+) Chan 16 (+) Chan 2 (+)
8Chan 30(+) Chan 16 (+) Chan 2 (+)
9 Return Return Return
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 (+)

2. Installation Trusted TMR 120 Vac Digital Input Module 40 Channel
10 Issue 11 Rockwell Automation Publication ICSTT-RM450C-EN-P
C B A
20 Return Return Return
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 (+)
Table 1 Module Pin-out Connections

Trusted TMR 120 Vac Digital Input Module 40 Channel 2. Installation
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 11
2.4. Trusted Module Polarisation/Keying.
All Trusted Modules have been Keyed to help prevent insertion into the wrong position
within a Chassis. The polarisation comprises two parts;the Module, and the associated field
cable.
Each Module type has been Keyed during manufacture. The organisation responsible for the
integration of the Trusted System must key the cable by removing the keying pieces from
the cable so that they correspond with the bungs fitted to the associated Module prior to
fitting.
1
12
Cable Exit
Release button
Polarising/Keying
Pins.
(Remove using
side cutters where
identified below)
Trusted Cable
hood
Smart
Swap
Connector
if Fitted
Figure 4 Module Polarisation
For Cables with Companion slot installations both keying strips must be polarised.
For this Module (T8424) remove keying pins 1, 3 and 7.

Trusted TMR 120 Vac Digital Input Module 40 Channel 3. Application
Rockwell Automation Publication ICSTT-RM450C-EN-P Issue 11 12
3. Application
3.1. Module Configuration
There is no configuration required to the physical Input Module, (i.e. jumpers, etc.). All
configurable characteristics of the Module are performed using tools on the Engineering
Workstation (EWS) and become part of the application or System.INI file that is loaded into
the TMR Processor. The TMR Processor automatically configures the Input Module after
applications are downloaded and during Active/Standby changeover.
The IEC 61131 TOOLSET provides the main interface to configure the Input Module. Details
of the configuration tools and configuration sequence are provided in Trusted Toolset Suite,
publication ICSTT-RM249 (PD-T8082). There are three procedures necessary to configure
the Input Module. These are:
•Define the necessary I/O variables for the field input data and Module status data
using the Dictionary Editor of the IEC 61131 TOOLSET.
•Create an I/O Module definition in the I/O Connection Editor for each I/O Module.
The I/O Module definition defines physical information, e.g. Chassis and Slot
location, and allows variables to be connected to the I/O channels of the Module.
•Using the Trusted System Configuration Manager, define custom LED indicator
modes, per-channel threshold levels and noise filtering, and other Module settings.
3.2. T8424 Complex Equipment Definition
The T8424 I/O Complex Equipment Definition includes 8 I/O boards, referenced numerically
by Rack number:
Rack I/O Board Description Data Type Direction No. of
Channels
1 DI
OEM Parameters - - -
Field Input Status Boolean In 40
2 STATE Field Input State Integer In 40
3AI Input voltage Integer In 40
4 SPARE Not used Integer - 16
5 LINE_FLT Line Fault Status Boolean In 40