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ProcessLogix and ControlLogix System
Redundancy Module
Catalog Number 1757-SRM, series B
Topic
About This Publication
Use this publication as a guide to install the 1757-SRM, Series B ProcessLogix
and ControlLogix System Redundancy Module into the ProcessLogix or
ControlLogix Redundant chassis pair.
Installation Instructions
Publication
1757-IN092E-EN-P - November 2007
Page
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Summary of Contents for Allen-Bradley ProcessLogix B Series
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Page 1: Table Of Contents
Installation Instructions ProcessLogix and ControlLogix System Redundancy Module Catalog Number 1757-SRM, series B Topic Page About This Publication Important User Information Environment and Enclosure Prevent Electrostatic Discharge European Hazardous Location Approval About the Module Redundancy System Assembly Using the 1757-SRM Module Relay Terminals Designate the Primary Chassis and Qualify the System Install or Remove the Module Under Power 1757-SRM Module Fault Codes and Display Messages... -
Page 2: Important User Information
2 ProcessLogix and ControlLogix System Redundancy Module Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://literature.rockwellautomation.com) describes some important differences between solid state equipment and hard-wired electromechanical devices. - Page 3 ProcessLogix and ControlLogix System Redundancy Module 3 North American Hazardous Location Approval The following information applies Informations sur l'utilisation de cet when operating this equipment in équipement en environnements hazardous locations. dangereux. Products marked CL I, “DIV 2, GP A, B, C, D” are Les produits marqués CL I, “DIV 2, GP A, B, C, D”...
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Page 4: Environment And Enclosure
In addition to this publication, see: • Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1. • NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure. -
Page 5: Prevent Electrostatic Discharge
ProcessLogix and ControlLogix System Redundancy Module 5 Prevent Electrostatic Discharge This equipment is sensitive to electrostatic discharge, which can ATTENTION cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment: • Touch a grounded object to discharge potential static. •... -
Page 6: European Hazardous Location Approval
IP54 protection when applied in Class I, Zone 2 environments. This equipment shall be used within its specified ratings defined by Allen-Bradley. Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40% when applied in Class I, Zone 2 environments. -
Page 7: About The Module
ProcessLogix and ControlLogix System Redundancy Module 7 About the Module Use this illustration to identify the external features of the module. Front View of 1757-SRM Module with Door Open Front Panel Status Indicators Fiber- Optic Port User Relay Terminal Before You Begin Before you install the module, make sure you: •... - Page 8 8 ProcessLogix and ControlLogix System Redundancy Module Parts List You will need these components. 1756-A4, 1756-A7, 1756-A10, 1756-PA72, 1756-PA75, 1757-SRM 1757-SRCxxx 1756-A13, or 1756-A17 Chassis 1756-PB72, or 1756-PB75 Modules Fiber-optic Cable Power Supplies REDUNDANCY MODULE PRI COM OK Prepare the Chassis for Module Installation Before you install the module, you must install and connect a ControlLogix chassis and power supply.
- Page 9 ProcessLogix and ControlLogix System Redundancy Module 9 Power Supply Power Supply Installation Instructions 1756-PA72/C Publication 1756-IN078 1756-PB72/B 1756-PA75/B Publication 1756-IN596 1756-PB75/B To comply with UL restrictions, the relay terminals must be powered ATTENTION from a source compliant with Class 2. To comply with the CE Low Voltage Directive (LVD), the relay terminals must be powered from a source compliant with Safety Extra Low Voltage (SELV) or Protected Extra Low Voltage (PELV).
- Page 10 10 ProcessLogix and ControlLogix System Redundancy Module Determine Module Slot Location Install the 1757-SRM module in the appropriate slot in the ControlLogix chassis. Slot 0 is the first slot and is always the leftmost slot in the rack. Slot 3 Slot 1 Slot 5 1756-A7 chassis is...
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Page 11: Redundancy System Assembly
ProcessLogix and ControlLogix System Redundancy Module 11 Redundancy System Assembly When you assemble the primary and secondary chassis for redundancy, you assemble them just as you would any ProcessLogix or ControlLogix chassis, with the exception that for redundancy you need to assemble two identical chassis. - Page 12 12 ProcessLogix and ControlLogix System Redundancy Module Custom Cables If you need more than 100 meters (300 feet) of distance between the primary and secondary controller chassis, use your own custom fiber-optic cable. For a custom cable: • limit total light loss through the cable to less than or equal to 7 dB at 1300 nm wavelength.
- Page 13 ProcessLogix and ControlLogix System Redundancy Module 13 When you insert or remove the module while backplane power is on, WARNING an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding.
- Page 14 14 ProcessLogix and ControlLogix System Redundancy Module Wire to the Separable Terminal Block Connector If you are using your 1757-SRM modules with the user relay, you need to wire to the separable block connector and plug it into the relay’s terminal. 1.
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Page 15: Using The 1757-Srm Module Relay Terminals
ProcessLogix and ControlLogix System Redundancy Module 15 Using the 1757-SRM Module Relay Terminals The user relay is available only on the 1757-SRM series B module. The relay will energize when the module determines that it is in a primary control chassis. - Page 16 16 ProcessLogix and ControlLogix System Redundancy Module User-relay Example Application: Connection to an External Switchbox You can use an external switchbox connected to a user relay on the 1757-SRM series B module to determine which Logix controller you will attach to the other RS232 devices on the serial link.
- Page 17 ProcessLogix and ControlLogix System Redundancy Module 17 External Switchbox Connections to Logix-controller Serial Port Primary Chassis Secondary Chassis Line 1757-SRM/B 1757-SRM/B Line Voltage Module Module Voltage User Relay User Relay RS232 RS232 Device Device Chassis Ground Terminal External Switchbox Chassis Ground External Terminal Power...
- Page 18 18 ProcessLogix and ControlLogix System Redundancy Module Flash Upgrade the Modules Back up any programs or data that you have saved to a device. IMPORTANT When you upgrade firmware, all old data will be overwritten. To flash upgrade the modules to the latest firmware revision, perform this procedure.
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Page 19: Designate The Primary Chassis And Qualify The System
ProcessLogix and ControlLogix System Redundancy Module 19 9. Wait for the module to roll display: FACT BOOT FLSH UPDT REQD. 10. Start your ControlFLASH Firmware Upgrade Kit and apply the latest firmware to the module. If the flash upgrade is disrupted, cycle power to the chassis. The IMPORTANT module will roll display either FACT BOOT FLSH UPDT REQD or USER BOOT FLSH UPDT REQD. - Page 20 20 ProcessLogix and ControlLogix System Redundancy Module If both modules are have power applied to simultaneously, the module with the lowest serial number will be designated as the primary chassis and will display PRIM on the module’s four-character display. In addition, the PRI status indicator on the primary 1757-SRM module will be green.
- Page 21 ProcessLogix and ControlLogix System Redundancy Module 21 Flowchart of Starting a Chassis with a Healthy 1757-SRM Module 1757-SRM module Lock backplane to stall Perform Self-Test. is started display:Txxx faster starting modules Assert SYS_FAIL Pass Self Test? The 1757-SRM module waits up to five seconds for a more slowly starting 1757-SRM module.
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Page 22: Install Or Remove The Module Under Power
22 ProcessLogix and ControlLogix System Redundancy Module Install or Remove the Module Under Power You can install or remove this module while chassis power is applied. When you insert or remove the module while backplane power is on, WARNING an electrical arc can occur. This could cause an explosion in hazardous location installations. - Page 23 ProcessLogix and ControlLogix System Redundancy Module 23 Remove or Replace the Module 1. Push on upper and lower module tabs to disengage them. 2. Slide the module out of the chassis. If you want to resume system operation with an identical module, IMPORTANT you must install the new module in the same slot.
- Page 24 24 ProcessLogix and ControlLogix System Redundancy Module Interpret Status Indicators The 1757-SRM module has these diagnostic status indicators. Module Status Display - See page 24. Health Status Indicator - See page 25. Chassis State Status Indicator - Inter-1757-SRM See page 26. Communication Status Indicator - See page 25.
- Page 25 ProcessLogix and ControlLogix System Redundancy Module 25 Health Status Indicators The Health status indicator reveals if power has been applied to a module and if it is operating correctly. Status Conditions No power has been applied to the 1757-SRM module. •...
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Page 26: 1757-Srm Module Fault Codes And Display Messages
26 ProcessLogix and ControlLogix System Redundancy Module Chassis State Status Indicator The Chassis State status indicator identifies whether or not the chassis is primary. Status Conditions • No power has been applied to the 1757-SRM module. • The 1757-SRM chassis state is in secondary or failed state. Green <... - Page 27 ProcessLogix and ControlLogix System Redundancy Module 27 All fault types are logged in the 1757-SRM module’s event log, which is stored in nonvolatile memory. See the ControlLogix Controllers Users Manual, publication 1756-UM001, for a description of how to access the 1757-SRM module event log.
- Page 28 28 ProcessLogix and ControlLogix System Redundancy Module Error Description Actions Word Word Word Word FLSH UPDT REQD Flash update required. Flash upgrade the 1757-SRM module with appropriate firmware revision FMWR Firmware error. Re-flash firmware. Hardware failure. Replace the 1757-SRM module. Operating system error.
- Page 29 ProcessLogix and ControlLogix System Redundancy Module 29 Alpha Numeric Error Codes The fault code is a four-character alpha-numeric string. Valid characters are 9 and A through Z, except S and O. The first character is always E. Each … firmware subsystem within the 1757-SRM module is assigned a range of fault codes.
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Page 30: Specifications
30 ProcessLogix and ControlLogix System Redundancy Module If you encounter one of these error codes, write the Exxx code down and contact Rockwell Automation Product Support by using one of the methods described on the back cover. Recovery Messages For certain faults, the module status display will provide recovery instructions. Up to four, four-character words will be displayed. - Page 31 ProcessLogix and ControlLogix System Redundancy Module 31 Attribute Value Power dissipation, max 11.28 W Thermal dissipation, max 38.49 BTU/hr Isolation voltage 30V continuous, Basic Insulation Type Type tested at 853V ac for 60 s, Relay Terminals to system Redundancy Cable - 1757-SRCxxx Attribute Value Connector...
- Page 32 32 ProcessLogix and ControlLogix System Redundancy Module Environmental Specifications Attribute Value Temperature, 0…60 °C (32…140 °F) operating IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock) Temperature, storage –40…85 °C (–40…185 °F) IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold), IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat), IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock)
- Page 33 ProcessLogix and ControlLogix System Redundancy Module 33 Certifications Certification Value Certifications UL Listed Industrial Control Equipment. See UL File E65584. (when product is marked) CSA CSA Certified Process Control Equipment. See CSA File LR54689C. CSA Certified Process Control Equipment for Class I, Division 2 Group A,B,C,D Hazardous Locations.
- Page 34 34 ProcessLogix and ControlLogix System Redundancy Module Additional Resources These documents contain additional information concerning related Rockwell Automation products. Resource Description Industrial Automation Wiring and Grounding Contains general guidelines for Guidelines, publication 1770-4.1 installing a Rockwell Automation industrial automation system. ControlLogix Redundancy System User Manual, Contains information about publication 1756-UM523...
- Page 35 ProcessLogix and ControlLogix System Redundancy Module 35 Publication 1757-IN092E-EN-P - November 2007...
- Page 36 Please contact your local Rockwell Automation representative for return procedure. ControlLogix, ProcessLogix, RSLogix 5000, Logix, RSLinx, RSNetworx, Allen-Bradley, Rockwell Automation, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are the property of their respective companies.
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