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Rockwell Automation Trusted TMR Manual

Rockwell Automation Trusted TMR Manual

35 to 120 vdc digital input module – 40 channel
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ICSTT-RM046A-EN-E (PD-T8425)
Trusted TMR 35 to 120 Vdc Digital Input Module –
40 Channel
Product Overview
®
The Trusted
TMR 120 Vdc Digital Input Module 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 resulting field voltage measurement is compared to user configurable threshold voltages to
determine the reported field input state. When a line-monitoring device is installed at the field
switch, the Module can detect open and short circuit field cables. Line monitoring functions are
independently configured for each input channel. The triplicated voltage measurement, coupled
with on-board diagnostic testing, provides 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 are determined by voltage thresholds that can be
configured on a per channel basis.
Features:
• 40 Triple Modular Redundant (TMR) input channels per Module.
• Comprehensive, automatic diagnostics and self-test.
• Selectable line monitoring per channel to detect open circuit and short circuit field wiring
faults.
• 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 LEDs for each channel indicate input status and field wiring faults.
Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425) Issue 1
Trusted

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  • Page 1 ICSTT-RM046A-EN-E (PD-T8425) Trusted Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Product Overview ® The Trusted TMR 120 Vdc Digital Input Module 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.
  • Page 2 Trusted ICSTT-RM046A-EN-E (PD-T8425) • Front panel module status LEDs indicate module health and operational mode (Active, Standby, Educated). • TϋV Certified IEC 61508 SIL 3. Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425) Issue 1...
  • Page 3 PREFACE 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.
  • Page 4 PREFACE Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel This will get you to the login page where you must enter your login details. 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"...
  • Page 5 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel PREFACE 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.
  • Page 6 PREFACE Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 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...
  • Page 7 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel PREFACE ISSUE RECORD Issue Date Comments Jul 19 First issue Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425) Issue 1...
  • Page 8 PREFACE Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Page intentionally left blank Issue 1 Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425)

  • Page 9: Table Of Contents

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Table of Contents Table of Contents Description ......................3 1.1. Field Termination Unit (FTU) ....................... 4 1.2. Field Interface Unit (FIU) ......................5 1.3. Host Interface Unit (HIU) ......................5 1.4.
  • Page 10 Table of Contents Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 5.3. Module Faults ........................... 32 5.4. Companion Slot ......................... 33 5.5. SmartSlot ........................... 33 5.6. Cold Start ........................... 33 5.7. Transfer between Active and Standby Modules ............... 34 Specifications ......................

  • Page 11: Description

    1. Description 1. Description The Trusted TMR 35-120 Vdc Digital Input Module 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.

  • Page 12: Field Termination Unit (Ftu)

    1. Description Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel All Trusted I/O Modules comprise four sections: Host Interface Unit (HIU), the Field Interface Unit (FIU), the Field Termination Unit (FTU) and the Front Panel Unit (or FPU). The Field Termination Assembly (FTA) is shown with its onboard attenuation because of its importance to the operation of the T8425 module.

  • Page 13: Field Interface Unit (Fiu)

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 1. Description 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.

  • Page 14: Front Panel Unit (Fpu)

    1. Description Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel • 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).
  • Page 15 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 1. Description Typical voltage Input Channel threshold values DI Status Line Fault State Status Over-range Tmax 160.0 Short Circuit 111.0 4 or 5 (see Note) 110.0 Contact Closed ‘1’...
  • Page 16 1. Description Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Note: The channel state value returned is dependent on the previous state value. If the input level is increasing then the lower state value will be returned. If the input level is decreasing the higher state value will be returned.

  • Page 17: Housekeeping

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 1. Description Note: The channel state value returned is dependent on the previous state value. If the input level is increasing then the lower state value will be returned. If the input level is decreasing the higher state value will be returned.

  • Page 18: Sequence Of Events Characteristics

    1. Description Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Between the HIU and FIU, there are a series of optically isolated links for data and power. The data link is synchronised and monitored for variance. Both the FIU and HIU have on-board temperature sensors to characterise temperature-related problems.
  • Page 19 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 1. Description Page intentionally left blank Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425) Issue 1...

  • Page 20: Installation

    If the pins have not been damaged, try reinstalling the module. 2.2. Field Cable Selection I/O cables suitable for use with the Trusted TMR 120 Vdc Digital Input Module are detailed in the following Product Descriptions. • Trusted I/O Companion Slot Cables, publication ICSTT-RM311 (PD-TC200) •...

  • Page 21: Module Pin-Out Connections

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 2. Installation 2.3. Module Pin-out Connections SmartSlot Link C SmartSlot Link B SmartSlot Link A Chan 28 (+) Chan 14 (+) Chan 0 (+) Chan 28 (+) Chan 14 (+)

  • Page 22: Trusted Module Polarisation/Keying

    2. Installation Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Chan 37 (+) Chan 23 (+) Chan 9 (+) Chan 38 (+) Chan 24 (+) Chan 10 (+) Chan 38 (+) Chan 24 (+) Chan 10 (+)
  • Page 23 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 2. Installation Cable Exit Polarising/Keying Smart Pins. Trusted Cable Swap (Remove using hood Connector side cutters where if Fitted identified below) Release button Figure 3 Module Polarisation For Cables with Companion Slot installations both keying strips must be polarized.

  • Page 24: Application

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application 3. Application 3.1. Module Configuration There is no configuration required to the physical Input Module. 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...
  • Page 25 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application Rack I/O Board Description Data Type Direction No. of Channels DISCREP Channel Discrepancy Integer HKEEPING Housekeeping Registers Integer INFO I/O Module Information Integer Table 4 Complex Equipment Definition There are two OEM parameters included in the first rack (DI Board).

  • Page 26: Rack 1: Di

    3. Application Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3.2.1. Rack 1: DI This board provides the logical input state for each of the field inputs. Channel Description Field input channel 1 logical state Field input channel 2 logical state...

  • Page 27: Rack 3: Ai

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application Value Description Open circuit Under-range Table 8 Rack 2: STATE Output Bit Descriptions The input channel has a value 7 (Unknown) when: 1. The input channel cannot be correctly measured by two or more slices of the TMR Input Module.

  • Page 28: Rack 4: Spare

    3. Application Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel When used directly the value may be considered as a signed, fixed-point binary value, i.e.: Sign Integer Fractional Table 10 Rack 3: Channel Field Voltage Bit Definitions To scale the value arithmetically, simply divide the input value by 128 to return the voltage as either a REAL or INTEGER as required.

  • Page 29: Rack 7: Hkeeping

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application Discrepancy status inputs 1 to 16 (input 1 is LSB, bit 0) Discrepancy status inputs 17 to 32 (input 17 is LSB, bit 0) Discrepancy status inputs 33 to 40 (input 33...
  • Page 30 3. Application Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Description Channel Units (Full Scale Range) Front Panel Load Current -32768 32767 SmartSlot Link Voltage -32768 32767 Reserved for FIU condensation sensor FIU Internal Supply Voltage...

  • Page 31: Rack 8: Information

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application Description Channel Units (Full Scale Range) Table 13 Rack 7: Housekeeping Descriptions Each input within the housekeeping rack is reported as an integer. In general, the application engineer will not normally require these inputs.
  • Page 32 3. Application Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel The Active and Standby Module state is an integer indicating the current operating mode of the associated Module. The value indicates the current internal operating mode of the Module.

  • Page 33: Sequence Of Events Configuration

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application The FCR status channel reports the fault status of each slice of the Active and Standby Modules. The value is bit-packed as shown below. The least significant byte is used with the...
  • Page 34 3. Application Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel Certain characteristics apply to the entire Module and are considered Module Configurable Items. Other characteristics apply to individual input channels and are considered Channel Configurable Items. There are specific default settings for each of the configurable items. If the default settings are appropriate for a given application, customization of the module definition in the System Configuration Manager is not required.
  • Page 35 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 3. Application Page intentionally left blank Rockwell Automation Publication ICSTT-RM046A-EN-E (PD-T8425) Issue 1...

  • Page 36: Operation

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 4. Operation 4. Operation 4.1. Front Panel Status LEDs on the front of the Module provide visual indications of the Module’s operational status and field input status. Each LED is a tri-color LED of which for normal operation, only two colors are used;...

  • Page 37: Module Status Leds

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 4. Operation Figure 4 Module Front Panel 4.2. Module Status LEDs There are six module status LEDs on the Module Front Panel; three Healthy, one Active, one Standby, and one Educated. The Healthy indicators are controlled directly by each module slice.

  • Page 38: I/O Status Leds

    4. Operation Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel The module status LED states and their meanings are described as follows: State Description Healthy No power applied to the Module. Amber Slice is in the start-up state (momentary after installation or power-up).
  • Page 39 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 4. Operation slices. The FPU performs a 2oo3 vote on each data bit from the slices and sets the indicators accordingly. The input status LED mode is dependent upon the voltage level of the field I/O signal. Each field input voltage is measured and compared to six threshold levels (four configurable and two fixed) which produce seven threshold bands.

  • Page 40: Fault Finding And Maintenance

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 5. Fault Finding and Maintenance 5. Fault Finding and Maintenance 5.1. Fault Reporting Input Module faults are reported to the user through visual indicators (LEDs) on the Front Panel of the Module.

  • Page 41: Companion Slot

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 5. Fault Finding and Maintenance 5.4. Companion Slot For a Companion Slot configuration, two adjacent slots in a Trusted Chassis are configured for the same Input Module function. One slot is the primary slot and the other a unique secondary (or spare) slot.

  • Page 42: Transfer Between Active And Standby Modules

    5. Fault Finding and Maintenance Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel If an I/O Module is inserted into a functional system slot which previously had no Active Module (e.g. removing and reinserting as above), then the Processor will educate the Module once it has booted.
  • Page 43 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 5. Fault Finding and Maintenance switches are closed, and that the I/O Module is a part of the correct Module pair by using the SmartSlot link. At this point, the TMR Processor will configure the Standby I/O Module with the same configuration information as the currently Active I/O Module and place the Standby I/O Module into the Standby state.

  • Page 44: Specifications

    Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 6. Specifications 6. Specifications System Supply Voltage Range 20 Vdc to 32 Vdc Voltage Range (Field Supply) 35 Vdc to 140 Vdc Number of Inputs 40 Channels Input Voltage...
  • Page 45 Trusted TMR 35 to 120 Vdc Digital Input Module – 40 Channel 6. Specifications Operating Temperature 0 °C to +60 °C (+32 °F to +140 °F) Non-operating Temperature -25 °C to +70 °C (-13 °F to +158 °F) Temperature change ±0.5 °C/min...

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