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Rockwell Automation Trusted TMR Manual

24 vdc zone interface module 40 channel
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ICSTT-RM278P-EN-P (PD-T8448)
Trusted TMR 24 Vdc Zone Interface Module 40
Channel
Product Overview
The Trusted® TMR Zone Interface Module has been designed to provide a configurable interface
specifically for use in Fire and Gas protection systems. The Module interfaces to up to 40 Fire and
Gas field device inputs or actuators. Each of the 40 I/O Channels can be individually configured as
Analogue Input, Digital Input or Digital Output to provide all of the interfaces needed to protect one
or more Fire and Gas Zones. Interfacing to the field devices is through a Versatile Field Termination
Assembly type 8842, which provides the field loop conditioning for each of the types of signal, and
enables the connection of reset signals for latching type detectors without the need for external
hardware. The Module is separated into 5 power groups each with 8 channels. Power groups can be
combined together to provide a configurable number of channels for each Fire/Gas Zone. All of
these functions provide data to the Trusted TMR System which acts as the logic solver. This Module
is not approved for direct connection to hazardous areas and should be used in conjunction with
Intrinsic Safety Barrier devices.
Triplicated diagnostic tests are performed throughout the Module, including measurements for
current and voltage on each portion of voted input or output channels. Tests are also performed for
stuck on and stuck off failures. All inputs are treated as analogue and are fully tested. Fault
tolerance is achieved through a Triple Modular Redundant (TMR) architecture within the Module
for each of the 40 channels.
Features:
• 40 Triple Modular Redundant selectable input/output points per Module.
• Inputs interface to 4-20 mA gas detectors, Fire and Heat detectors, Break Glass units etc.
• Programmable Field Device Reset signals (up to 5 individual resets).
• Two or Three Wire Field devices through 8842.
• Fuse Protection of Inputs and Outputs through 8842, external to the Module.
• High Power Digital Outputs to interface to Dampers, Extinguishant Release, Fire pumps etc.
• 5 Isolated Power Groups to allow flexible and efficient field configurations.
Rockwell Automation Publication ICSTT-RM278P-EN-P
Issue 16
Trusted

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  • Page 1 Fire/Gas Zone. All of these functions provide data to the Trusted TMR System which acts as the logic solver. This Module is not approved for direct connection to hazardous areas and should be used in conjunction with Intrinsic Safety Barrier devices.
  • Page 2 • Front Panel output status Light Emitting Diodes (LEDs) for each channel indicate status and field wiring faults. • Front Panel Module status LEDs indicate Module health and operational mode (Active, Standby, Educated). • TϋV Certified IEC 61508 SIL 3. Rockwell Automation Publication ICSTT-RM278P-EN-P Issue 16...
  • 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 24Vdc Zone Interface 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 24Vdc Zone Interface 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 24Vdc Zone Interface 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 24Vdc Zone Interface Module 40 Channel PREFACE ISSUE RECORD Issue Date Comments July 05 Reformat Sect 3 Application Resistor Sect 1.5 Default Thresholds added Feb 06 Format correction Aug 06 Input power Dec 06 Weights & Dims Mar 07...
  • Page 8 PREFACE Trusted TMR 24Vdc Zone Interface Module 40 Channel Page intentionally left blank Issue 16 Rockwell Automation Publication ICSTT-RM278P-EN-P...

  • Page 9: Table Of Contents

    Trusted TMR 24Vdc Zone Interface Module 40 Channel Table of Contents Table of Contents 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) ....................... 6 1.5.
  • Page 10 Table of Contents Trusted TMR 24Vdc Zone Interface Module 40 Channel Operation ......................31 4.1. Front Panel ..........................31 4.2. Module Status LEDs ......................... 32 4.3. I/O Status Indicators ........................ 33 Fault Finding and Maintenance ................35 5.1. Fault Reporting ......................... 35 5.2.

  • Page 11: Description

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 1. Description 1. Description The TMR Zone Interface 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 TMR Processor.

  • Page 12: Field Termination Unit (Ftu)

    1. Description Trusted TMR 24Vdc Zone Interface Module 40 Channel Figure 2 shows a simplified block diagram of the Trusted Zone Interface Module. OFIU OFTU Slice A Internal Voting Bus Failsafe Bias Control Diagnostic Monitor N.C. Slice Power N.O. Supply...

  • Page 13: Host Interface Unit (Hiu)

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 1. Description The FIU receives isolated power from the HIU for logic. The FIU provides additional power conditioning for the operational voltages required by the FIU circuitry. An isolated 6.25 Mbit/sec serial link connects each FIU to one of the HIU slices.

  • Page 14: Front Panel Unit (Fpu)

    1. Description Trusted TMR 24Vdc Zone Interface Module 40 Channel 1.4. Front Panel Unit (FPU) The Front Panel Unit (FPU) contains the necessary connectors, switches, logic, and LED indicators for the Front Panel. For every type of Trusted I/O Module, the FPU contains the Slice Healthy, Active/Standby, and Educated indicators (LEDs), also the Module removal switches.

  • Page 15: Sequence Of Events Characteristics

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 1. Description Module replacement activities depend on the type of spare Module configuration chosen when the system was configured and installed. The Module may be configured with a dedicated Companion Slot or with a SmartSlot for a spare replacement Module.

  • Page 16: Output Switch Structure

    1. Description Trusted TMR 24Vdc Zone Interface Module 40 Channel 1.9. Output Switch Structure The Zone Interface Module provides a TMR switch topology where the load is driven by a total of three fully monitored, fail safe (6 element) switch channels, one physically resident on each OFIU in the Module.

  • Page 17: Switch Diagnostics

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 1. Description Figure 4 Simplified Switch Circuit Diagram A resistor provides a means of continuously monitoring the switch current. A signal transistor is used to drive the gate of Switch 2. It provides Switch 2 with a negative gate voltage, to minimize it’s on resistance, and serves to hold Switch 2 on in the event that the...

  • Page 18: Short Circuit Protection

    1. Description Trusted TMR 24Vdc Zone Interface Module 40 Channel 1.9.2. Short Circuit Protection Output channels are classified as protected under IEC 61131-2, specifically ‘Protected Outputs Requirements’. In a fuse-free design such as in the Trusted System, the Module is required to respond rapidly in the event of an over-current or over-power situation.

  • Page 19: Output Line Monitoring States

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 1. Description and reset the slice. This will shutdown the FIU power supply and the associated GFSS control signal will also de-energise. 1.10. Output Line Monitoring States When a channel is selected as an output, the Module automatically monitors channel current and voltage to determine the state.
  • Page 20 1. Description Trusted TMR 24Vdc Zone Interface Module 40 Channel Page intentionally left blank Issue 16 Rockwell Automation Publication ICSTT-RM278P-EN-P...

  • Page 21: Installation

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 2. Installation 2. Installation 2.1. Module Insertion and Removal CAUTION: The Module contains static sensitive parts. Static handling precautions must be observed. Specifically verify that exposed connector pins are not touched. Under no circumstances should the Module housing be removed.

  • Page 22: Field Cable Selection

    2. Installation Trusted TMR 24Vdc Zone Interface Module 40 Channel 2.2. Field Cable Selection I/O Cables suitable for use with the Trusted TMR Zone Interface Module are detailed in the following product descriptions: • Trusted I/O Companion Slot Cables, publication...
  • Page 23 Trusted TMR 24Vdc Zone Interface Module 40 Channel 2. Installation Chan 15 (+) Pwr group 2 (+) Chan 11 (+) Chan 16 (+) Pwr Group 2 (+) Chan 12 (+) Chan 21 (+) Pwr Group 3 (+) Chan 17 (+)

  • Page 24: Trusted Module Polarisation/Keying

    2. Installation Trusted TMR 24Vdc Zone Interface Module 40 Channel 2.5. Trusted Module Polarisation/Keying All Trusted Modules have been Keyed to prevent insertion into the wrong position within a Chassis. The polarisation comprises two parts; the Module and the associated field cable.

  • Page 25: Application

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application 3. Application The Zone Interface Module has been designed to provide a cost effective and high integrity interface with a Fire and Gas Zone. Each Zone within an application will have a unique combination of signals.

  • Page 26: Module Configuration

    3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel 3.1. Module Configuration There is no configuration required to the physical 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 Processor. The TMR Processor automatically configures the Module after applications are downloaded and during Active/Standby changeover.

  • Page 27: Rack 1: Do

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application Rack I/O Board Description Data Type Direction No. of Channels INFO I/O Module Information Integer THRSHIN Threshold Setting Feedback Integer THRSHOUT Threshold Setting Command Integer Table 3 Complex Equipment Definition There are two OEM parameters included in the first rack (DO Board).

  • Page 28: Rack 2: State

    3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel Table 5 Rack 1: DO Descriptions The user application should set the output control signal to true (logic ‘1’) to turn ON or energise an output, and false (logic ‘0’) to turn OFF or de-energise an output.

  • Page 29: Rack 3: Ai

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application The usual definition for a digital input is as follows. Value Description Channel Fault Over Range Short circuit Contact Closed Contact Indeterminate Contact Open Open Circuit Under Range Table 8 Rack 2: STATE Input Bit Descriptions Note that channels configured as inputs do not have a direct Boolean indication of the input status.

  • Page 30: Rack 4: Ci

    3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel The IEC 61131 TOOLSET conversion tables may be used to convert the value to engineering units, in this case voltage. The full scale range for this number format is decimal ±64, corresponding to physical range –32000 to +32000.

  • Page 31: Rack 6: Discrep

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application 3.2.6. Rack 6: DISCREP Channel Description Discrepancy status channels 1 to 16 (Channel 1 is LSB) Discrepancy status channels 17 to 32 (Channel 17 is LSB) Discrepancy status channels 33 to 40...
  • Page 32 3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel Description Channel Units (Full Scale Range) Front Panel Load Current -32768 32767 SmartSlot Link Voltage -32768 32767 FIU Power Group 1 Field Supply Voltage -32768 32767 FIU Board Temperature, Group 1...

  • Page 33: Rack 8: Info

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application Description Channel Units (Full Scale Range) FIU Board Temperature, Group 5 -32768 32767 (Note: Temperature, ºC = input value / 256) Diagnostic error code Table 13 Rack 7: Housekeeping Descriptions Each input within the housekeeping rack is reported as an integer.
  • Page 34 3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel The Active Module chassis and slot numbers indicate the position of the currently Active Module. These values will change to match the primary or secondary Module position, depending on their Active status, i.e. Active/Standby changeover will “swap” the values for the Active Module chassis and slot number channels with those in the Standby Module chassis and slot number channels.

  • Page 35: Rack 9: Thrshin

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application The ‘Active Module is simulated’ channel is set to non-zero if the Active Module is being simulated, this will only be set if the Module is not present or the simulation enable has been set within the Module’s configuration in the System.INI file.

  • Page 36: Rack 10: Thrshout

    3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel 3.2.10. Rack 10: THRSHOUT This board provides the threshold command data. Channel Description ‘Write Threshold’ control register ‘Read Threshold’ control register Module channel number LOW-LOW falling Threshold LOW-LOW rising Threshold...

  • Page 37: Sequence Of Events Configuration

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 3. Application • Word 5: LOW-LOW rising Threshold. • Word 6: LOW falling Threshold. • Word 7: LOW rising Threshold. • Word 8: HIGH falling Threshold. • Word 9: HIGH rising Threshold.
  • Page 38 3. Application Trusted TMR 24Vdc Zone Interface Module 40 Channel Page intentionally left blank Issue 16 Rockwell Automation Publication ICSTT-RM278P-EN-P...

  • Page 39: Operation

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 4. Operation 4. Operation 4.1. Front Panel Status indicators on the Front Panel of the Module provide visual indications of the Module’s operational status and field status. Each indicator is a bi-colour LED. Located at the top and bottom of each Module is an ejector lever that is used to remove the Module from the Chassis.

  • Page 40: Module Status Leds

    4. Operation Trusted TMR 24Vdc Zone Interface Module 40 Channel 4.2. Module Status LEDs There are six Module status indicators 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 41: I/O Status Indicators

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 4. Operation INDICATOR STATE DESCRIPTION Educated Module is not educated. Green Module is educated. Green – flashing Module is recognised by the Processor but education is not complete. Amber - Flashing Active/Standby changeover in progress.
  • Page 42 4. Operation Trusted TMR 24Vdc Zone Interface Module 40 Channel Page intentionally left blank Issue 16 Rockwell Automation Publication ICSTT-RM278P-EN-P...

  • Page 43: Fault Finding And Maintenance

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 5. Fault Finding and Maintenance 5. Fault Finding and Maintenance 5.1. Fault Reporting Zone Interface Module faults are reported to the user through visual indicators on the Front Panel of the Module and through status variables which may be automatically monitored in the application programs and external system communications interfaces.

  • Page 44: Companion Slot

    5. Fault Finding and Maintenance Trusted TMR 24Vdc Zone Interface Module 40 Channel 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 45: Transfer Between Active And Standby Modules

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 5. Fault Finding and Maintenance 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 46 5. Fault Finding and Maintenance Trusted TMR 24Vdc Zone Interface Module 40 Channel 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 47: Specifications

    Trusted TMR 24Vdc Zone Interface Module 40 Channel 6. Specifications 6. Specifications Backplane (IMB) Supply Voltage 20 Vdc to 32 Vdc Power 27 W Field Supply 18 Vdc to 32 Vdc Voltage 2 A per channel maximum Current Module Location...
  • Page 48 6. Specifications Trusted TMR 24Vdc Zone Interface Module 40 Channel Output Output Off State Resistance 33 kΩ Output On State resistance 1.6 Ω Current Rating (Continuous) 2 A per channel maximum Minimum On State Load Current 50 mA Field Voltage Range...
  • Page 49 Trusted TMR 24Vdc Zone Interface Module 40 Channel 6. Specifications Dimensions Height 266 mm (10.5 in) Width 31 mm (1.2 in) Depth 303 mm (12 in) Weight 1.3 kg (2.7 lb) Note 1) 50 Vrms Secondary circuit derived from Mains, OVC II up to 300V.

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