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Allen-Bradley 1756 Series User Manual Download Page 9

Rockwell Automation Publication 1756-UM013B-EN-P - October 2019

9

Chapter

 1

Digital Safety I/O Module Operation in a 
Control System

Topic

Page

Overview

10

Overall System Safety Function

12

About the Modules

21

Local I/O Modules or Remote I/O Modules

23

Ownership

24

Construct a System

25

Configure the Modules

26

Input Module Operation

31

Output Module Operation

32

External Means

35

Protected Operations

36

Summary of Contents for 1756 Series

Page 1: ...1756 ControlLogix Digital Safety I O Modules Catalog Numbers 1756 IB16S 1756 OBV8S User Manual OriginalInstructions...

Page 2: ...nformation circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited T...

Page 3: ...onfiguration Signature and Ownership 19 Reset 1756 ControlLogix Digital Safety I O Modules to Out of Box State 20 About the Modules 21 Local I O Modules or Remote I O Modules 23 Local I O Modules 23 R...

Page 4: ...ode is Enabled 50 Latch Fault until reset via output tag mode is Disabled 50 Safety Input Delay Time 50 Off to On Delay 51 On to Off Delay 52 Data Transfer at RPI 52 Module Health Diagnostic 52 Point...

Page 5: ...72 Forcing 73 Enable Forces 73 Disable or Remove a Force 74 Check Force Status 74 GSV Instruction 75 Chapter5 Configure and Replace Safety Modules Create a New Module 78 New Local Safety Module 78 New...

Page 6: ...x Designer Application Tag Editor 110 InternalFault Triggered on the Safety Output Module 111 AppendixB Module Tag Definitions Access the Tags 114 Name Conventions 114 1756 IB16S Module Tags 115 Input...

Page 7: ...agnostic Coverage The ratio of the detected failure rate to the total failure rate EDS Electronic Data Sheet A template that is used in RSNetWorx software to display the configuration parameters I O d...

Page 8: ...Logix chassis ControlLogix Power Supply Installation Instructions publication 1756 IN619 Provides installation informationfor ControlLogix power supplies ControlLogix I O Modules SpecificationsTechnic...

Page 9: ...eration in a Control System Topic Page Overview 10 Overall System Safety Function 12 About the Modules 21 Local I O Modules or Remote I O Modules 23 Ownership 24 Construct a System 25 Configure the Mo...

Page 10: ...C Do not install the 1756 IB16S and 1756 OBV8S modules in a 1756 ControlLogix Chassis Series B ATTENTION Due to the higher internal power dissipation of the 1756 OBV8S module do not install the 1756 O...

Page 11: ...l Studio 5000 Logix Designer application 1756 IB16S 1756 OBV8S Local GuardLogix 5580 1756 L81ES 1756 L82ES 1756 L83ES 1756 L84ES 1756 L8SP 1756 Backplane Version 32 00 00 or later with Add on Profile...

Page 12: ...um ambient operating temperature specification see the 1756 ControlLogix I O SpecificationsTechnical Data publication 1756 TD002 IMPORTANT Requirementsarebasedonthestandardscurrentatthetime ofcertific...

Page 13: ...r is suitable for use in safety applications that are rated up to and including SIL CL2 PLd Cat 3 as defined in IEC 61508 IEC 61511 IEC 62061 and ISO 13849 1 You can use 1756 IB16S and 1756 OBV8S modu...

Page 14: ...OBV8S Single channel or Dual channel Point Operation Type You can use the 1756 OBV8S modules only in single channel Point Operation Type while in bi polar mode Bi polar single channel Point Operation...

Page 15: ...llautomation com Pages home aspx Only download firmware and access product release notes from the Rockwell Automation PCDC Do not download firmware from non Rockwell Automation sites SafetyFunctionDur...

Page 16: ...use the light emitting diode LED status indicators on the I O modules for safety operations Do not connect loads beyond the rated value to the safety outputs Apply properly specified voltages to the...

Page 17: ...s the safety signatures The safety signature consists of an identification number date and time that uniquely identifies the safety portion of a project This number includes all safety logic data and...

Page 18: ...as the off state The safe state of the module and its data is defined as the off state Use the 1756 ControlLogix digital safety I O modules only in applications where the off state is the safe state I...

Page 19: ...figuration ConfigurationOwnership The connection between the owner controller and the 1756 ControlLogix digital safety I O module is based on the following 1756 ControlLogix digital safety I O module...

Page 20: ...e to check If the module configuration is owned the Safety category displays whether the controller for the opened project owns the module configuration or another controller owns it For information o...

Page 21: ...5 6 4 2 1 7 Item Description 1 Backplane Connector Interface for the ControlLogix system that connects the module to the backplane 2 Top and bottom guides Guides provide assistance in seating the RTB...

Page 22: ...to the backplane 2 Top and bottom guides Guides provide assistance in seating the RTB onto the module 3 Status indicators Indicators display the status of communication module health and input output...

Page 23: ...d are described in Controller and Software Compatibility on page 11 Local I O Modules When I O modules reside in the same system as the controller the modules are local I O modules Figure 4 Local 1756...

Page 24: ...O Module is used in a GuardLogix 5580 control system the owner controller performs the following Stores configuration data for every module that it owns Sends the I O module configuration data to def...

Page 25: ...rminal block housing Requires the underlying connector For how to assemble and wire the RTB see the 1756 ControlLogix 16 point Sinking Safety Input Module Installation Instructions publication 1756 IN...

Page 26: ...ure the Modules You must create a Logix Designer application project for the controller that owns the 1756 ControlLogix digital safety I O modules The project includes module configuration data for th...

Page 27: ...egins If the configuration is not appropriate to the module detected the data is rejected and the Logix Designer application indicates that an error occurred The configuration can be inappropriate for...

Page 28: ...Choices 1756 IB16S and 1756 OBV8S Safety Modules Configured By Choice Description 1756 IB16S Safety Input Module 1756 OBV8S Safety Output Module This Controller The module returns the following to the...

Page 29: ...Definition for the 1756 OBV8S safety output module includes the Output Mode parameter This parameter defines whether the module is operating in Sourcing or Bipolar mode For more information on the Mo...

Page 30: ...alues for Timeout Multiplier 2 and Network Delay Multiplier 200 The Network Delay Multiplier value is in terms of percentage Thus 200 means 200 For more information on how to specify RPI rates see pag...

Page 31: ...ntrollers depending on module configuration Unicast is the default setting Input Module Operation Logix 5000 controllers do not poll the safety input modules for input data The data exchange process b...

Page 32: ...y When a GuardLogix 5580 controller is connected to the EtherNet IP network through another communication module the module sends the data to its backplane and the controller receives it Output Module...

Page 33: ...cal safety output module receives new data and the requested data value is present on the RTB the output module sends output readback status to the controller The data value corresponds to the signal...

Page 34: ...ation RemoteOutputModuletoControllerDataTransmission When a safety output module receives new data and the requested data value is present on the RTB the output module sends output readback status to...

Page 35: ...controller can only listen to input data The listening controller does not own the module configuration or exchange other data with the module When the module is configured by External Means you can...

Page 36: ...ween Rejected and Not allowed is that rejected activities can be attempted in the Logix Designer application but do not take effect The activities that are not allowed that is attempts to change the C...

Page 37: ...modules unless otherwise noted Some features are supported on all I O modules and other features are specific to module types The differences are indicated in feature descriptions Topic Page Input Mod...

Page 38: ...ge necessary for your application Current leakage Whether you need a solid state device Whether your application uses sinking or sourcing wiring Output Module Compatibility You can use a digital safet...

Page 39: ...onfigure the module monitor system operation and troubleshoot issues You can also use the Logix Designer application to retrieve this information from any module in the system Serial number Firmware r...

Page 40: ...that you troubleshoot the module for the typical causes first I Ptxx Uncertain This tag indicates that the reported channel data can be inaccurate but the degree of inaccuracy is unknown We recommend...

Page 41: ...wner controller and an I O module without removing the module from the configuration This process lets you temporarily disable a module such as to perform maintenance You can use module inhibiting in...

Page 42: ...u do not want the controller to look for a module that does not yet exist In this case you can inhibit the module in your program until it physically resides in the proper slot You can inhibit the con...

Page 43: ...es of a device Minor Revision A number that represents behavior changes in the device Keying Option Description Compatible Module Thisis thedefaultkeyingoption CompatibleModuleletstheinstalleddeviceac...

Page 44: ...oad Center PCDC The PCDC is available at https compatibility rockwellautomation com Pages home aspx Only download firmware and access product release notes from the Rockwell Automation PCDC Do not dow...

Page 45: ...circuit check is possible when inputs are wired in combination with test outputs The module must be wired in combination with test outputs when this function is used Independently adjustable on and o...

Page 46: ...tionsregardlessofchannel mode type The determining factor to whether a 1756 ControlLogix I O safety module resides in a SIL CL3 PLe Cat 4 safety application is that the overall safety architecture be...

Page 47: ...ut IMPORTANT Because of the pre configured relationships between test outputs and input channels wiring a dual channel device to input channels 0 and 8 is not supported if pulse testing is required th...

Page 48: ...ontact is closed a test pulse is output from the test output terminal to diagnose the field wiring and input circuitry By using this function short circuits between inputs and 24V power and between in...

Page 49: ...ication suitability level see Table 6 on page 46 Figure 9 Normal Operation and Fault Detection Not to Scale Normal Operation Fault Detection 24V DC 0V DC ON OFF ON OFF ON OFF ON OFF Safety Input 0 Dat...

Page 50: ...ds safety input fault indications for 1 second until it checks if the fault is removed If the fault is removed the channel clears the fault status only upon detecting the safety input is low on the sc...

Page 51: ...ising edge of the input contact The input turns on only if the input contact remains on after the Off to On delay time has elapsed This setting help prevent rapid changes of the input data due to cont...

Page 52: ...nce You can delay the On to Off transition by the following times 0 ms 1 ms 2 ms 5 ms 10 ms 20 ms 50 ms Figure 11 On to Off Delay DataTransfer at RPI The safety input module always sends data to the o...

Page 53: ...provide information on an individual point basis For example you can check individual input points and test output points on a 1756 IB16S safety input module for the presence of a Short Circuit condi...

Page 54: ...onnection to the module Ptxx Fault The point data quality is bad or the channel is set to Not Used Ptxx ShortCircuit A short circuit condition exists on the point Testxx Fault The point data quality i...

Page 55: ...ned in the user program if a fault occurs For information on modules see Appendix B Module Tag Definitions on page 113 You can also monitor a point for the presence of a field power loss via the diagn...

Page 56: ...1 Flashing red Table 11 Short Circuit Protection Condition Corrected Test Output Behavior TagValue DiagnosticValue I O Status Indicator State Restarts in its commanded state I Testxx ShortCircuit tag...

Page 57: ...Level 59 Safety Output withTest Pulse 60 Single channel Point OperationType 61 Dual channel Point OperationType 62 Safety Output Fault Reset 63 Fault and Status Reporting 64 Module Health Diagnostics...

Page 58: ...sks continue to run even though the safety task remains faulted If a recoverable fault occurs in the safety application the system can halt the execution of the safety task depending upon whether or n...

Page 59: ...nfigured for SINGLE The 1756 OBV8S module is capable of being a SIL CL3 PLe Cat 4 subsystem SRP CS when either a single channel or dual channel safety device is wired to the output channels The channe...

Page 60: ...fety output status turn off Figure 13 1756 OBV8STest Pulse in a Cycle On the 1756 OBV8S module the pulse width X is less than 750 s and the pulse period Y is less than 96 ms TIP To help prevent the te...

Page 61: ...y output data and individual safety output status turn off For information on how using single channel Point Operation Type with a 1756 OBV8S module affects the safety application suitability level se...

Page 62: ...uts are turned on For information on how to use dual channel Point Operation Type with a 1756 OBV8S module affects the safety application suitability level see Table 13 on page 59 Figure 15 1756 OBV8S...

Page 63: ...cting that the ResetFault in its consume assembly channel sees a rising edge Latch Fault until reset via output tag mode is Disabled When Latch Fault mode is Disabled default the I O channel holds saf...

Page 64: ...turned via module tags that you can monitor in your Logix Designer application For more information on how to use module tags to monitor fault and status reporting see Table 24 on page 71 Appendix A T...

Page 65: ...Point diagnostics provide information on an individual point basis For example you can check individual points on a 1756 OBV8S safety output module for the presence of a Short Circuit condition To ac...

Page 66: ...ox in Logix Designer application IMPORTANT The 1756 OBV8S module supports Field Power Loss Detection The module receives field side power via the DC power terminals on the module When field side power...

Page 67: ...detected Table 17 describes what happens when a No Load condition is corrected You can monitor a point for the presence of a No Load condition via the diagnostics page that is available in the Module...

Page 68: ...the output point is shorted to 24V DC the I Ptxx ShortCircuit tag 1 If the output point is shortedtoground notags are changed One of the following If the output point was shorted to 24V DC when the s...

Page 69: ...f its associated group points The I O status indicator for the faulted output point turns off These conditions exist on a pair of module outputs Output Mode Sourcing Point OperationType Dual Point Mod...

Page 70: ...Safety or Safety Pulse Test Output Data tag 1 Output is connected directly to ground Remove the output connection to ground and set the output to a safe state 1 Do not use the module beyond the rated...

Page 71: ...to Not Used Ptxx ShortCircuit A short circuit condition exists on the point Ptxx FieldPowerOff A field power lost condition exists on the point Status RunMode The module is in Run Mode DiagnosticActiv...

Page 72: ...behave in these ways depending on how the Fault Mode parameter is configured Turn off Default Hold its last state If you configure the output to hold its last state the output remains at that state va...

Page 73: ...ces at the controller level You can enable I O forces and SFC forces separately or simultaneously You cannot enable or disable forces for a specific module tag collection or tag element IMPORTANT When...

Page 74: ...parately ATTENTION Changestoforcescancauseunexpectedmachinemotionthat couldinjurepersonnel Beforeyoudisableorremoveforces determinehow the change affects your machine or process and keep personnel awa...

Page 75: ...r 4 GSV Instruction This example shows how to use a GSV instruction to get the status of forces For the purposes of this example Force_Status is a DINT tag To determine this Examine this bit For this...

Page 76: ...76 Rockwell Automation Publication 1756 UM013B EN P October 2019 Chapter 4 1756 OBV8S Output Module Features Notes...

Page 77: ...res Common to 1756 ControlLogix Digital Safety I O Modules on page 37 Chapter 3 1756 IB16S Input Module Features on page 45 Chapter 4 1756 OBV8S Output Module Features on page 57 Topic Page Create a N...

Page 78: ...safety module Local I O modules are installed in the same system as the GuardLogix 5580 controllers Remote I O modules are installed in a system that includes a 1756 ControlLogix EtherNet IP adapter t...

Page 79: ...nfigure and Replace Safety Modules Chapter 5 3 At the Select Module Type window click Create to add the discovered module to your project 4 At the New Module window configure the module properties and...

Page 80: ...te a new remote safety I O module complete these steps 1 Add a ControlLogix EtherNet IP adapter to the project 2 Right click the EtherNet IP adapter and choose New Module 3 Select the module and click...

Page 81: ...re and Replace Safety Modules Chapter 5 4 You can click OK to use the default configuration as shown or edit the module configuration The rest of this chapter describes how to edit module configuratio...

Page 82: ...ation after it is added to the project the dialog box is named Module Properties The same categories are displayed as the categories displayed on the New Module dialog box Some new module configuratio...

Page 83: ...sed number that uniquely identifies subnets across all networks in the safety system All 1756 ControlLogix digital safety I O modules in the same subnet use the same SNN by default Local 1756 ControlL...

Page 84: ...choose an Output Data type Output module only Whether you can choose an Output Mode Output module only This Controller External Means 1 Input Data Determines what type of input data is exchanged betw...

Page 85: ...ct it has on your application For more information on inhibiting the module see page 41 Remote safety modules support the Connection over EtherNet IP parameter With safety input data you can choose Un...

Page 86: ...fety category lets you set the RPI rate You must click the Advanced button to change the Connection Reaction Time Limit configuration For more information on the RPI and the Connection Reaction Time L...

Page 87: ...Chapter 5 Module Info Category The Module Info category displays module and status information about the module when the project is online You can use this category to complete the following Determine...

Page 88: ...ty application The inputs are disabled by default PointMode Determines the operation mode of the output point Not Used The output point is disabled Safety The output point is enabled Safety Pulse Test...

Page 89: ...choose This Controller for the Configured By parameter on the Module Definition dialog box You must configure each point to use it in a Safety application The outputs are disabled by default PointMode...

Page 90: ...e used in a safety application WARNING The selection of Hold for Output State During Program Mode and Communications Fault Mode prevents the output point from going to the safe state makingtheoutputpo...

Page 91: ...s 6 and 7 When both output channels in a connection pair are in the On state and without any faults the safety outputs are turned on See Dual channel Point Operation Type on page 62 Point Mode Determi...

Page 92: ...or Each configured feature on your module has a distinct tag that is available for use in the controller program logic Complete the following steps to access the tags for a module 1 In the Controller...

Page 93: ...assigns it an SNN All safety modules that are installed with that adapter are automatically assigned the same SNN However each safety module requires a unique identifier within the same subnet A Devic...

Page 94: ...eplace Safety Modules Follow these steps to reset the module to its out of box configuration when online 1 Right click the module and choose Properties 2 On the Safety tab click Reset Ownership 3 When...

Page 95: ...ches the original The DeviceID is updated whenever the SNN is set If the project is configured with Configure Only When No Safety Signature Exists enabled follow the appropriate instructions in to rep...

Page 96: ...ario1 ReplacementDeviceisOut of boxandSafetySignatureExists 1 Remove the old I O device and install the new device 2 Right click the replacement safety I O device and choose Properties 3 On the Genera...

Page 97: ...gure and Replace Safety Modules Chapter 5 5 Click Yes on the confirmation dialog box to set the SNN and accept the replacement device 6 Follow your company prescribed procedures to functionally test t...

Page 98: ...ntDeviceSNNisDifferentfromOriginalandSafetySignatureExists 1 Remove the old I O device and install the new device 2 Right click your safety I O device and choose Properties 3 Click the Safety tab 4 Cl...

Page 99: ...P October 2019 99 Configure and Replace Safety Modules Chapter 5 7 The Configuration Ownership now shows Not Owned 8 Click the module General category 9 Click to the right of the safety network numbe...

Page 100: ...nfigure and Replace Safety Modules 10 Click Set 11 Click Yes on the confirmation dialog box to set the SNN and accept the replacement device 12 Follow your company prescribed procedures to functionall...

Page 101: ...e the old I O device and install the new device 2 Right click your safety I O device and choose Properties 3 Click the Safety tab 4 Click Reset Ownership 5 On the Logix Designer application Dialog cli...

Page 102: ...our I O module and choose Properties 3 Click the Safety tab 4 Click Reset Ownership 5 Click OK 6 Follow your company prescribed procedures to functionally test the replaced I O module and system and t...

Page 103: ...igital safety I O modules use these status indicators Topic Page Module Status Indicators 103 Use the Logix Designer Application forTroubleshooting 105 SAFETY FLT ST 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 O...

Page 104: ...leted an initialTime Coordination exchange Red The device has an unrecoverable fault Minimum recovery is to cycle power It may be necessary to replace the device Flashing red The device has a recovera...

Page 105: ...ence of fault conditions Fault conditions are reported in the following ways Warning Signal in the I O Configuration Tree Status and Fault Information in Module Properties Categories Logix Designer Ap...

Page 106: ...es varies by module type Each category includes options to configure the module or monitor the status of the module The following are ways to monitor the state of a module for faults Module Status on...

Page 107: ...e fault description that includes an error code that is associated with the specific fault type is listed on the Connection category Figure 3 Fault Description with Error Code ModuleFaultDescriptionso...

Page 108: ...module and or point Diagnostics when the project is online Module Diagnostics Point Diagnostics ModuleDiagnostics Module diagnostics provide information on a module wide basis For example the Module...

Page 109: ...Circuit condition Remember the following Not all 1756 ControlLogix digital safety I O modules provide point diagnostics The point diagnostics that are available vary by module type and functionality T...

Page 110: ...ication 1756 UM013B EN P October 2019 Appendix A TroubleshootYour Module Logix Designer Application Tag Editor Figure 7 show how fault conditions are indicated in the controller tags Figure 7 Fault In...

Page 111: ...andasinking output point O Ptxx Data tag 0 Anoverloadresistorshorts the sourcing output point to 0V DC Faults I Ptxx Fault tag 1 InternalFault 1 The I O status indicator for the faulted output point...

Page 112: ...112 Rockwell Automation Publication 1756 UM013B EN P October 2019 Appendix A TroubleshootYour Module Notes...

Page 113: ...with any module depends on the choices that you make in the Module Definition dialog box For the 1756 IB16S and 1756 OBV8S modules there are Input and Output tags Topic Page Access theTags 114 Access...

Page 114: ...onventions The module tags use defined naming conventions The conventions are as follows example tag name remote_ethernet_adapter_1 I Pt00 Data An example module tag name is constructed as follows rem...

Page 115: ...ally resets to 0 Safety Packed Data DiagnosticSequenceCount SINT Increments for each time a distinct diagnostic condition is detected and when a distinct diagnosticconditiontransitionsfromdetectedto n...

Page 116: ...more information seeModule Data Quality Reporting on page 40 0 Good data 1 Uncertain data This tag is set to 1 when the module has reached a critical operating temperatureorishighertheacceptable opera...

Page 117: ...SINT Increments for each time a distinct diagnostic condition is detected and when a distinct diagnostic condition transitions from detected to not detected Set to zero by product reset or power cycl...

Page 118: ...d but you cannot set the test output to a safe state Table 6 1756 OBV8S Module Input Tags Name DataType Definition ValidValues AvailableWithThese Input DataType Choices Table 7 1756 OBV8S Module Outpu...

Page 119: ...iguration affects the safety application level to which a 1756 ControlLogix I O safety module is suitable Before You Begin Before you wire your module remember that a SELV PELV rated 24V power supply...

Page 120: ...input channel for Safety Pulse Test to test the circuit for short circuits to 24V DC IMPORTANT The 24V DC and DC power connections are used to supply field side power to the module All terminals with...

Page 121: ...849 1 TO 1 TO 2 TO 3 TO 4 TO 5 TO 6 TO 7 IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 IN 8 IN 9 IN 10 IN 11 IN 12 IN 13 IN 14 IN 15 DC DC DC DC TO 0 TO 1 TO 2 TO 3 TO 4 TO 5 TO 6 TO 7 TO 0 IN 0 24V DC SELV PELV...

Page 122: ...tic test method is to configure the safety input channel for Safety Pulse Test to test the circuit for short circuits to 24V DC Safety input pairs must be associated with different Test Output sources...

Page 123: ...ns are used to supply field side power to the module All terminals with the same name are connected together on the module For example DC can be connected to either terminal marked DC Do not physicall...

Page 124: ...imit the safe state to no more than 24 hours Conduct functional test if safe state dwell time increases DC DC DC DC OUT0 P OUT1 P OUT4 P OUT3 P OUT2 P OUT5 P OUT6 P OUT7 P OUT0 M OUT1 M OUT2 M OUT3 M...

Page 125: ...fe state to no more than 24 hours Conduct functional test if safe state dwell time increases DC DC DC DC OUT0 P OUT1 P OUT4 P OUT3 P OUT2 P OUT5 P OUT6 P OUT7 P OUT0 M OUT1 M OUT2 M OUT3 M OUT4 M OUT5...

Page 126: ...st to test the circuit for short circuits to 24V DC DC DC DC DC OUT0 P OUT1 P OUT4 P OUT3 P OUT2 P OUT5 P OUT6 P OUT7 P OUT0 M OUT1 M OUT2 M OUT3 M OUT4 M OUT5 M OUT6 M OUT7 M K M DC 24V DC SELV PELV...

Page 127: ...dwell time increases DC DC DC DC OUT0 P OUT1 P OUT4 P OUT3 P OUT2 P OUT5 P OUT6 P OUT7 P OUT0 M OUT1 M OUT2 M OUT3 M OUT4 M OUT5 M OUT6 M OUT7 M Connection Pairs When you use dual channel sourcing wi...

Page 128: ...128 Rockwell Automation Publication 1756 UM013B EN P October 2019 Appendix C Application andWiring Examples for Safety Modules Notes...

Page 129: ...page 131 PFD and PFH must be calculated for the devices within the system to comply with the SIL level that is required for application You are responsible for following the requirements of ISO 13849...

Page 130: ...962E 10 Dangerous Failure Rate D failures hr 4 49496E 07 5 34022E 07 Dangerous Detected Failure Rate DD failures hr 4 48899E 07 5 33556E 07 Dangerous Undetected Failure Rate DU failures hr 3 80996E 10...

Page 131: ...Rate D failures hr 9 01E 07 5 9E 07 6 1E 07 Dangerous Detected Failure Rate DD failures hr 9 01E 07 5 9E 07 6 1E 07 Dangerous Undetected Failure Rate DU failures hr 3 29E 10 3 1E 10 3 1E 10 SRT milli...

Page 132: ...132 Rockwell Automation Publication 1756 UM013B EN P October 2019 Appendix D Safety Data for Safety Modules Notes...

Page 133: ...cking tab 21 22 Logix 5000 controllers ownership of I O modules 24 Logix Designer application 39 configuration overview 26 connection types 28 module definition safety modules 84 module tag definition...

Page 134: ...short circuit protection digital output modules 68 safety input modules 56 slaves 7 SNN 8 See safety network number status indicators 21 22 safety input modules I O status indicators 104 T test outpu...

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