1756-IN101D-EN-P, ControlLogix Controller and Memory Board
Contents
1. Controller and Memory Board 31 Specifications Table A 1756 L1 L1Mx Controller Description Value 1756 L1 1756 L1M1 1756 L1M2 1756 L1M3 user available 64K bytes 512K bytes 1M bytes 2M bytes memory nonvolatile memory no no no no peak backplane current 5V de 0 65A 0 95A 1 05A 1 20A 24V de 0 02A 0 02A 0 02A 0 02A average power 3 3W 4 6W 4 8W 5 4W dissipation average thermal 11 3 BTU hr 15 6 BTU hr 16 4 BTU hr 18 4 BTU hr dissipation weight 10 0 oz 12 5 oz 12 5 oz 12 7 02 operating temperature 0 to 60 C 32 to 140 F storage temperature 40 to 85 C 40 to 185 F relative humidity 5 to 95 noncondensing vibration 10 to 500 Hz 2 0 G maximum peak acceleration operating shock 30G peak for 11ms storage shock 50G peak for 11ms programming cable 1756 CP3 or 1747 CP3 serial cable category 32 battery 1756 BA1 NEXERGY 94194801 0 59g lithium Amount of memory available after RSLogix 5000 software is connected and a null project is loaded 2 See Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Publication 1756 IN101D EN P July 2001 32 ControlLogix Controller and Memory Board Table B 1756 L53 Controller Description Value user available memory 1 5M bytes nonvolatile memory no peak backplane current 5V de 1 20A 24V de 0 02A average power dissi2. assurer que l environnement est class non dangereux avant de d brancher l quipement Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous les connecteurs externes reli s cet quipement l aide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit La substitution de composants peut rendre cet quipement inadapt une utilisation en environnement de Classe 1 Division 2 e S assurer que l environnement est class non dangereux avant de changer les piles Publication 1756 IN101D EN P July 2001 38 ControlLogix Controller and Memory Board Additional Manuals This product has the following manuals Logix5000 Controllers Common Procedures publication 1756 PM001 e Logix5000 Controllers General Instructions Reference Manual publication 1756 RM003 ControlLogix System User Manual publication 1756 UM001 If you want to e view or download a manual visit either of these locations www ab com manuals www theautomationbookstore com e purchase a printed manual use one of these options contact your local distributor or Rockwell Automation representative visit www theautomationbookstore com and place an order call 800 963 9548 USA Canada or 001 320 725 1574 outside USA Canada Publication 1756 IN101D EN P July 2001 ControlLogix Controlle
3. RUN REM PROG 42525 2 Is the BAT LED off If Then Yes Go to Update the Firmware of the Controller on page 24 No Go to step 3 3 Check that the battery or battery module is correctly connected to the controller 4 If the BAT LED remains on install another battery 5 If the BAT LED remains on after you complete step 4 contact your Rockwell Automation representative or local distributor Publication 1756 IN101D EN P July 2001 24 ControlLogix Controller and Memory Board Update the Firmware of the Controller To update the firmware of the controller e Check the OK LED e Determine Which Firmware Revisions You Can Use e Update the Firmware of the Controller Check the OK LED RUN EM mm 10 RS232 BAT EN mo m OK LED RUN REM PROG 42525 1 What color is the OK LED If Then Actions Green The controller is OK and its No further actions are required irmware has been updated However the revision of firmware must be compatible with your revision of RSLogix 5000 software Flashing red The controller is OK but it requires a Go to Determine Which Firmware irmware update Revisions You Can Use on page 26 Solid red The memory board of the controller Go to step 2 may not be compatible with the evision of firmware Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 25 2 Did you add a M23 or M24 memory board
4. e 1756 CP3 serial cable e 1747 CP3 cable from the SLC product family If you use this cable the controller door will not close workstation end controller end 42576 If you make your own serial cable Limit the length to 15 2m 50 ft e Wire the connectors as follows Workstation Controller 1 CD 1 CD 2 RDX 2 RDX 3 TXD gt lt 3 TXD 4 DTR 4 DTR COMMON COMMON L 6 DSR 6 DSR 1 7 RTS 7 RTS 8 CTS 8 CTS 9 9 42231 e Attach the shield to both connectors Publication 1756 IN101D EN P July 2001 30 ControlLogix Controller and Memory Board Agency Certifications When marked the controller and memory board have the following certifications This component Has these certifications when the product is marked 1756 L1 controller 1756 L53 controller 1756 L55 controller Qu Listed Industrial Control Equipment amp Certified Process Control Equipment Certified Class Division 2 Group A B C D C Marked for all applicable directives Marked for all applicable acts N223 1756 Mx memory board A UL Recognized Component Industrial Control Equipment Certified component Process Control Equipment Certified component Class Division 2 Group A B C D C Marked for all applicable directives Marked for all applicable acts N223 Publication 1756 IN101D EN P July 2001 ControlLogix
5. for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 3 Throughout this manual we use notes to make you aware of safety considerations TENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attention statements help you to e identify a hazard e avoid a hazard e recognize the consequences IMPORTANT Identifies information that is critical for successful application and understanding of the product Allen Bradley and ControlLogix are trademarks of Rockwell Automation Publication 1756 IN101D EN P July 2001 4 ControlLogix Controller and Memory Board Understand Compliance to European Union Directive If this product bears the CE marking it is approved for installation within the European Unio
6. to a controller that previously contained an M13 M14 or M16 memory board If Then Yes Go to step 3 No The controller is not operational Contact your Rockwell Automation representative or local distributor 3 Install an M13 M14 or M16 board 4 Update the firmware of the controller to revision 8 x or later See Update the Firmware of the Controller on page 27 5 Re install the M23 or M24 memory board 6 What color is the OK LED If Then Green No further actions are required However the revision of firmware must be compatible with your revision of RSLogix 5000 software Red The controller is not operational Contact your Rockwell Automation representative or local distributor Publication 1756 IN101D EN P July 2001 26 ControlLogix Controller and Memory Board Determine Which Firmware Revisions You Can Use Use the following table to determine which firmware revisions to use with your controller and memory board combination If you have this controller and memory board Use this revision of firmware 756 L1 any 756 L1M1 756 L1M2 756 L1M3 756 L53 6 x or later 756 L55M13 756 L55M14 756 L55M16 756 L55M23 8 x or later 756 L55M24 Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 27 Update the Firmware of the Controller To update the firmware of the controller use a ControlFLASH Firmware Upgrade Kit
7. 01 ControlLogix Controller and Memory Board 13 Remove the Existing Memory Board If Any memory board 42527 1 Does the controller already have a memory board If Then No Go to Install the Memory Board on page 15 Yes Go to step 2 Publication 1756 IN101D EN P July 2001 14 ControlLogix Controller and Memory Board 2 Pull the plastic back edge of the controller out slightly to clear the tabs on the memory board tab tab EE 42526 3 Gently separate and remove the memory board from the controller Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 15 Install the Memory Board 1 Place the memory board over the connector and slide the memory board into the controller memory board tab slot 40018 2 Pull the plastic back edge of the controller out slightly to clear the tabs of the memory board 3 Line up the connectors 4 Place your hands on the boards over the connectors and gently squeeze them together 5 Make sure that the tabs on the memory board extend through the slots on the plastic housing of the controller Publication 1756 IN101D EN P July 2001 16 ControlLogix Controller and Memory B
8. Batteries publication AG 5 4 Store batteries in a cool dry environment We recommend 25 C with 40 to 60 relative humidity You may store batteries for up to 30 days between 45 to 85 C such as during transportation To avoid possible leakage do not store batteries above 60 C for more than 30 days 1 Are you using a 1756 BATM battery module If Then No Go to step 4 Yes Go to step 2 2 Install the battery module See the Logix5000 Battery Module Installation Instructions publication 1756 IN576 3 Go to Install the Controller on page 22 Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 19 Only install a 1756 BA1 battery If you install a different battery you may damage the controller 4 Install a 1756 BA1 battery top no connection lt q middle black lead bottom red lead 42523 Publication 1756 IN101D EN P July 2001 20 ControlLogix Controller and Memory Board 5 Write on the battery label the date you install the battery 6 Attach the label to the inside of battery label the controller door 42524 To prevent possible battery leakage even if the BAT LED is off replace a battery according to the following schedule If the temperature 1 in Replace th
9. Installation Instructions ControlLogix Controller and Memory Board Catalog Number 1756 L1 L1M1 L1M2 L1M3 L53 L55 L55M13 L55M14 L55M16 L55M23 L55M24 M1 M2 M3 M13 M14 M16 M23 M24 Installation instructions ship with each IMPORTANT e EE ControlLogix component If you want other documentation you must order it separately Refer to Additional Manuals on page 38 Before You Begin Use this document to install these ControlLogix components e controller e memory board The memory board provides additional memory for your controller You can install only one memory board per controller Publication 1756 IN101D EN P July 2001 2 ControlLogix Controller and Memory Board Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability
10. e An upgrade kit ships with RSLogix 5000 software e To download an upgrade kit go to www ab com Select Product Support Select Firmware Updates For more information see the ControlFLASH Firmware Upgrade Kit User Manual publication 1756 6 5 6 If ControlFLASH software does not show any firmware revisions for your controller download a E new upgrade kit Older upgrade kits do not work TIP with new controllers Catalog Number 1756 L1 Serial Number OQO00FDE6 Current Revision Con trol Select the new revision for this update Restrictions Hestichons 42900 If this box does not show the required firmware download a new kit Publication 1756 IN101D EN P July 2001 28 ControlLogix Controller and Memory Board Serial RS 232 Port If you connect or disconnect the serial cable with power applied to this module or the serial device on the other end of the cable 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 Use the serial port for RS 232 communication artery PORT 42575 serial port Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 29 To connect a workstation to the serial port use one of these cables
11. e battery within below the chassis is 0 to 35 C No replacement is required until the BAT LED turns on 36 to 40 C 3 years 41 to 45 C 2 years 46 to 50 C 16 months 51 to 55 C 11 months 56 to 60 C 8 months Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 21 Install the Controller To install the controller e Turn the Keyswtich to the PROG Position e Install the Controller e Check the BAT LED Turn the Keyswtich to the PROG Position RUN ES Eu 10 EE R232 BAT i MOK 1 Insert the key into the aa controller RUN EE 1 0 EE S232 BAT EE OK 2 Turn the key to the PROG position 42898 Publication 1756 IN101D EN P July 2001 22 ControlLogix Controller and Memory Board Install the Controller You can place the controller in any slot You can use multiple controllers in the same chassis 1 Align the circuit board with the top and bottom guides in the chassis 20880 2 Slide the module into the chassis The controller is fully installed when it is flush with the power supply or other installed modules and the top and bottom latches are engaged Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 23 Check the BAT LED 1 Turn on the chassis power RUN BEN HE 1 0 mmm S232 BAT LED BAT EEE DE OK
12. ent unless power has been removed or the area is known to be nonhazardous e Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Substitution of components may impair suitability for Class I Division 2 e If this product contains batteries they must only be changed in an area known to be nonhazardous Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 37 Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CL I DIV 2 GP A B C D ne conviennent qu a une utilisation en environnements de Classe I Division 2 Groupes A B C D dangereux et non dangereux Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un syst me le code de temp rature le plus d favorable code de temp rature le plus faible peut tre utilis pour d terminer le code de temp rature global du systeme Les combinaisons d quipements dans le systeme sont sujettes 4 inspection par les autorit s locales qualifi es au moment de l installation RISQUE D EXPLOSION e Couper le courant ou s
13. g shock 30G peak for 11ms storage shock 50G peak for 11ms programming cable 1756 CP3 or 1747 CP3 serial cable category 37 battery 1756 BA1 NEXERGY 94194801 0 59g lithium Amount of memory available after RSLogix 5000 software is connected and a null project is loaded 2 See Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Publication 1756 IN101D EN P July 2001 34 ControlLogix Controller and Memory Board Table C 1756 L55Mxx Controller Continued 1756 L55M23 1756 L55M24 user available memoryl 1 5M bytes 3 5M bytes nonvolatile memory yes yes peak backplane current 5V de 1 23A 1 25A 24V de 0 014A 0 014A average power dissipation 5 6W 5 7W average thermal dissipation 19 1 BTU hr 19 4 BTU hr weight 12 5 oz 12 8 oz operating temperature 0 to 60 C 32 to 140 F storage temperature 40 to 85 C 40 to 185 F relative humidity ol to 95 noncondensing vibration 0 to 500 Hz operating shock 0G peak for 11ms 1 2 0 G maximum peak acceleration 3 storage shock 50G peak for 11ms programming cable 1756 CP3 or 1747 CP3 serial cable category 30 battery Amount of memory available after RSLogix 5000 software is connected and a null project is loaded 2 1756 BA1 NEXERGY 94194801 0 59g lithium Publication 1756 IN101D EN P J
14. ing to add a memory board to the controller you need the following tools e 2 phillips screwdriver e grounding wriststrap How to Handle ControlLogix Components To guard against ESD damage take these precautions Electrostatic discharge can damage the ATTENTION eT components Follow these guidelines e touch a grounded object to discharge potential static e wear an approved grounding wriststrap e do not touch connectors or pins on component boards e do not touch circuit components inside the controller e if available use a static safe work station e when not in use store each component in the anti static packaging in which it was shipped Publication 1756 IN101D EN P July 2001 6 ControlLogix Controller and Memory Board You can install or remove ControlLogix components while chassis power is applied and the system is operating If you remove the controller all the devices owned by the controller go to their configured faulted state When you insert or remove a module while backplane power is on an electrical arc may occur An electrical arc can cause personal injury or property damage by e sending an erroneous signal to your system s actuators causing unintended machine motion or loss of process control e causing an explosion in a hazardous environment Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create e
15. lectrical resistance that can affect module operation Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 7 What You Need to Do Before you install a controller do these preliminary steps Install a ControlLogix chassis according to the ControlLogix Chassis Installation Instructions publication 1756 5 80 J Install a ControlLogix power supply according to the corresponding installation instructions Install this power supply According to this publication 756 PA72 ControlLogix Power Supplies Installation Instructions publication 1756 5 1 756 PB72 756 PA75 ControlLogix Power Supplies Installation Instructions publication 1756 5 78 756 PB75 756 PA75R e ControlLogix Redundant Power Supplies Installation Instructions publication 756 PB75R 1756 IN573 e Controllogix Redundant Power Supplies Chassis Adapter Module Installation Instructions publication 1756 IN574 To install a controller do these tasks Make Sure that You Have All the Components Install the Memory Board If Required Install the Battery Install the Controller Update the Firmware of the Controller Publication 1756 IN101D EN P July 2001 8 ControlLogix Controller and Memory Board Make Sure that You Have All the Components 1 These components ship with the controller Component Description 1756 BA1 batter
16. n and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet Council Directive 89 336 EEC Electromagnetic Compatibility EMC and the following standards in whole or in part documented in a technical construction file e EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment e EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For specific information required by EN 61131 2 see the appropriate sections in this publication as well as the following Allen Bradley publications e Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 e Automation Systems Catalog publication B113 Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application conditions See NEMA Standards publication 250 and IEC publication 529 as applicable for explanations of the degrees of protection provided by different types of enclosure Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 5 Tools that You Need If you are go
17. oard Replace the Side Plate side plate gt gt Se ES 40019 1 Line up the hinge tabs on the side plate with the slots in the plastic housing of the controller 2 Gently press the side plate against the controller 3 Replace the screws Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 17 Attach Labels 1 Place the memory board label on the side of the controller The memory board label identifies which memory board is installed SSSA NI 40019 2 From the sheet of catalog labels peel off the label that corresponds to the memory board that you installed E g If you installed an M2 memory board peel off the 1756 L1M2 label 1756 L1 ao CIty 1756 L1M1 me 1756 L1M2 mil identifies the memory board 5 PORT E a J Bae fesen g9 FES Le CG O Eci 1756 LxMx 4025 a 3 Place the catalog number label on the inside of the controller door Publication 1756 IN101D EN P July 2001 18 ControlLogix Controller and Memory Board Install the Battery The controller uses a lithium battery which contains potentially dangerous chemicals Before you handle or dispose a battery review Guidelines for Handling Lithium
18. pation 5 4W average thermal dissipation 18 4 BTU hr weight 12 7 oz operating temperature 0 to 60 C 32 to 140 F storage temperature 40 to 85 C 40 to 185 F relative humidity 5 to 95 noncondensing vibration 10 to 500 Hz 2 0 G maximum peak acceleration operating shock 30G peak for 11ms storage shock 50G peak for 11ms programming cable 1756 CP3 or 1747 CP3 serial cable category 3 2 battery 1756 BA1 NEXERGY 94194801 0 59g lithium Amount of memory available after RSLogix 5000 software is connected and a null project is loaded 2 See Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 33 Table C 1756 L55Mxx Controller Description Value 1756 L55M13 1756 L55M14 1756 L55M16 user available 1 5M bytes 3 5M bytes 7 5M bytes memory no more than 3 5M bytes of data nonvolatile memory no no no peak backplane current 5V de 1 23A 1 254 1 48A 24V de 0 0144 0 0144 0 014A average power 5 6W 5 7W 6 3W dissipation average thermal 19 1 BTU hr 19 4 BTU hr 21 5 BTU hr dissipation weight 12 5 oz 12 8 oz 13 4 oz operating temperature 0 to 60 C 32 to 140 F storage temperature 40 to 85 C 40 to 185 F relative humidity 5 to 95 noncondensing bration vi 10 to 500 Hz 2 0 G maximum peak acceleration operatin
19. r e Remove the Existing Memory Board If Any e Install the Memory Board Replace the Side Plate e Attach Labels Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 11 Update the Firmware of the Controller If Required 1 Are you replacing an M13 M14 or M16 memory board with an M23 or M24 memory board If Then No Go to Remove the Controller from the Chassis on page 11 Yes Go to step 2 2 Before you replace the board update the firmware of the controller to revision 8 x or later See Update the Firmware of the Controller on page 27 Remove the Controller from the Chassis 1 On the top and bottom of the controller press the locking tabs 2 Slide the controller out of the chassis ag i A Pa J 20880 Publication 1756 IN101D EN P July 2001 12 ControlLogix Controller and Memory Board Remove the Side Plate of the Controller 1 Lay the controller on its side with the label facing up 2 While wearing a grounding wriststrap remove the two screws that attach the side plate to the controller 3 Rotate the side plate up and unhook it from the controller side plate v Il lt lt front of controller 40017 Publication 1756 IN101D EN P July 20
20. r and Memory Board 39 Publication 1756 IN101D EN P July 2001 Reach us now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in industrial automation including Allen Bradley controls Reliance Electric power transmission products Dodge mechanical power transmission components and Rockwell Software Rockwell Automation s unique flexible approach to helping customers achieve a competitive advantage is supported by thousands of authorized partners distributors and system integrators around the world Allen Bradley ESN pocr Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Ee European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 Rockwell Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication 1756 IN101D EN P July 2001 PN 957603 40 Supersedes Publication 1756 IN101C EN P June 2001 2001 Rockwell International Corporation Printed in USA
21. uly 2001 See Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 ControlLogix Controller and Memory Board 35 Additional Notes This product must be mounted within a suitable system enclosure to prevent personal injury resulting from accessibility to live parts The interior of this enclosure must be accessible only by the use of a tool This industrial control equipment is intended to operate in a Pollution Degree 2 environment in overvoltage category II applications as defined in IEC publication 664A at altitudes up to 2000 meters without derating Publication 1756 IN101D EN P July 2001 36 ControlLogix Controller and Memory Board Hazardous Location information The following information applies when operating this equipment in hazardous locations Products marked CL I DIV 2 GP A B C D are suitable for use in Class I Division 2 Groups A B C D Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation warwine EXPLOSION HAZARD e Do not disconnect equipm
22. y key p catalog number labels 1756 L1 The catalog numbers on your labels may be 1756 L1M1 different from the ones that are shown 1756 L1M2 IMPORTANT If you have a 1756 L55 controller you must install a memory board 2 If you are installing a memory board you also need the following components Component Description memory board memory board label Publication 1756 IN101D EN P July 2001 ControlLogix Controller and Memory Board 9 Use the following table to determine which memory board goes with your controller Use this memory With this controller ble 1756 L1 L1Mx 1756 L53 1756 L55 L55Mxx 756 M1 Vv 756 M2 Vv 756 M3 Vv 756 M13 Vv 756 M14 Vv 756 M16 Vv 756 M23 Vv 756 M24 Vv Publication 1756 IN101D EN P July 2001 10 ControlLogix Controller and Memory Board Install the Memory Board If Required If you have a 1756 L53 controller do not take apart the controller or try to remove the memory board If you remove or modify the memory board you will irreparably damage the controller ATTENTION Are you going to add or replace a memory board If Then No Go to Install the Battery on page 18 Yes Install the memory board To install the memory board Update the Firmware of the Controller If Required e Remove the Controller from the Chassis e Remove the Side Plate of the Controlle
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